DC-INVERTER. Technical Catalog. FSG2Ei HVRG. Heat Pump Air Conditioners. 8~14kW(3~5HP)

DC-INVERTER HVRG FSG2Ei Technical Catalog Heat Pump Air Conditioners 8~14kW(3~5HP) 4-way Cassette 2-way Cassette Ceiling Type In the Ceiling Wall Type Floor Type

Specifications in this catalogue are subject to change without notice in order that HITACHI may bring the latest innovations to their customers Whilst every effort is made to ensure that all dimensions and specifications are correct, any printers' errors not rectified are outside the control of HITACHI, who cannot be held responsible for same

CONTENTS 0/1 0 CONTENTS PART I TECHNICAL DATA 1 FEATURES AND BENEFITS 1/1 1.1 System Features 1/1 1.2 Features on Indoor Units and Outdoor Units 1/5 1.3 Name of parts 1/10 2 GENERAL DATA 2/1 2.1. General Data for Indoor Units 2/2 2.2. General Data for Outdoors Units 2/8 2.3. Component Data 2/9 3 DIMENSIONAL DATA 3/1 3.1. Indoor Units 3/2 3.2. Outdoor Units 3/16 4 CAPACITIES AND SELECTION DATA 4/1 4.1. System Selection Procedure 4/2 4.2. Capacity Characteristic Curves of Outdoor Units 4/3 4.3. Correction Factor According to Piping Length 4/5 4.4. Sensible Heat Factor (SHF) 4/7 4.5. Correction Factor For Defrosting Operation 4/7 4.6. Operation Space 4/8 4.7. Fan Performance 4/11 4.8. Temperature Distribution Diagrams 4/12 4.9. Sound Data 4/17 5 WORKING RANGE 5/1 5.1. Power supply 5/2 6 ELECTRICAL DATA 6/1 6.1. Indoor Unit 6/2 6.2. Outdoor Unit 6/3 7 ELECTRICAL WIRING DIAGRAMS 7/1 8 REFRIGERANT CYCLE 8/1 8.1. Refrigeration Cycle Single type 8/2 8.2. Refrigeration Cycle Twin type 8/3 9 CONTROL SYSTEM 9/1 9.1. Device Control System 9/2 9.2. Outdoor Unit PCB 9/3 9.3. Protection and Safety Control 9/4 9.4. Safety and Control Device Setting 9/4 9.5. Standard Operation Sequence 9/5 9.6. Standard Control Functions 9/12 10 AVAILABLE OPTIONAL FUNCTIONS _ 10/1 10.1. Indoor Unit (except RPK) 10/2 10.2. Indoor Unit (RPK only) 10/8 10.3 Outdoor Units 10/12 10.4. Optional Functions Available Through Remote Control Switch 10/13 10.5 Optional Functions Available Through Remote Control Switch (PC-P5H) 10/18 10.6 Optional Functions Available Through Wireless Remote Control Switch (PC-LH3 + Receiver) 10/19 11 REMOTE CONTROLLERS OPERATION 11/1 11.1 Liquid Crystal Remote Control Switch (PC-P1HE) 11/2 11.2 Optional Remote Controller (PC-P5H) 11/7 11.3 Optional Wireless Remote Control Switch, PC-LH3A 11/8 11.4 Optional 7-Day Timer (PSC-5T) 11/13 11.5 Optional Central Station (PSC-5S) 11/18 11.6 Optional Accessories for RCS 11/24

0/2 CONTENTS PART II INSTALATION DATA 12 UNITS INSTALLATION 12/1 12.1 Transportation and Handling 12/3 12.2 RCI (4-Way Cassette Type) 12/4 12.3 RCD (2-Way Cassette Type) 12/8 12.4 RPC (Ceiling Type) 12/11 12.5 RPI (In-the-Ceiling) 12/13 12.6 RPK (Wall Type) 12/15 12.7 RPF (Floor Type) / RPFI (Floor Concealed Type) 12/17 12.8 RAS Outdoor Unit Installation 12/19 12.9 Optional Accessories 12/22 12.10 Outdoor Unit Drain-Kit (DBS-26) 12/26 13 REFRIGERANT PIPING AND REFRIGERANT CHARGE 13/1 13.1 Piping Materials 13/2 13.2 Three principles on Refrigerant Piping Work 13/3 13.3 Suspension of Refrigerant Piping 13/4 13.4 Indoor Unit Piping Work Connection 13/4 13.5 Piping Connection for RAS DC-INVERTER 13/8 13.6 Piping and Refrigerant Charge 13/10 13.7 Refrigerant Charging Quantity 13/16 14 DRAIN PIPING 14/1 14.1 General 14/2 14.2 RCI (4-Way Cassette Type) 14/3 14.3 RCD (2-Way Cassette Type) 14/3 14.4 RPC (Ceiling Type) 14/4 14.5 RPI (In-the-Ceiling Type) 14/5 14.6 RPK (Wall Type) 14/6 14.7 RPF and RPFI (Floor Type and Floor Concealed Type) 14/6 14.8 Outdoor Unit Drain-kit (DSB-26) 14/6 16 INSTALLATION OF OPTIONAL REMOTE CONTROLLER 16/1 16.1 Installation of Remote Control Switch <PC-P1HE> 16/3 16.2 Installation of Remote Control Switch (Core-Function) <PC-P5H> 16/6 16.3 Installation of Central Station <PSC-5S> 16/9 16.4 Installation of 7-day Timer <PSC-5T> _ 16/18 16.5 Installation of Receiver Kit <PC-RLH11> 16/22 16.6 Installation of Receiver Kit <PC-RLH4> 16/23 16.7 Harc 16/25 16.8 HRG USB/H-LINK Connection 16/28 17 TEST RUN 17/1 17.1 Checking Before Test Run 17/2 17.2 Test run procedure by remote control switch 17/3 17.3 Test run procedure by WIRELESS remote control switch (PC-LH3A) 17/4 17.4 Test run from Outdoor Unit Side 17/7 18 TROUBLESHOOTING 18/1 18.1 Initial Troubleshooting 18/2 18.2 Alarm Codes 18/3 18.3 Troubleshooting in Check mode 18/5 18.4 Troubleshooting by 7-segment display_ 18/11 18.5 Protection control code on 7-segment display 18/15 18.6 Self checking of PCB's using Remote Control Switch 18/14 18.7 Self Cheking of Remote Control Switch 18/17 19 MAINTENANCE 19/1 19.1 Regular Inspection 19/2 19.2 Filter Cleaning 19/3 20 MISCELLANEOUS NOTES 20/1 20.1 Special Notes 20/2 15 ELECTRICAL WIRING 15/1 15.1 General Check 15/2 15.2 Electrical Wiring Connection for Outdoor Units 15/2 15.3 Electrical Wiring Connection for Indoor Units 15/4 15.4 Common Wiring 15/7

CONTENTS 0/3 MODELS CODIFICATION NOTE: Please check, according to the model name, which is your air conditioner type and how it is abbreviated and referred to in this technical catalogue INDOOR UNITS FSG2Ei/FSG2 Series 4-Way-Cassette 2-Way-Cassette Ceiling In-The-Ceiling Unit Code Unit Code Unit Code Unit Code RCI 1.5FSG2Ei 7E782012 RCD 1.5FSG2 60277562 RPI 1.5FSG2Ei 7E787304 RCI 2.0FSG2Ei 7E782013 RCD 2.0FSG2 60277563 RPC 2.0FSG2Ei 7E782055 RPI 2.0FSG2Ei 7E782024 RCI 2.5FSG2Ei 7E782014 RCD 2.5FSG2 60277564 RPC 2.5FSG2Ei 7E782030 RPI 2.5FSG2Ei 7E782025 RCI 3.0FSG2Ei 7E782027 RCD 3.0FSG2 60277565 RPC 3.0FSG2Ei 7E782058 RPI 3.0FSG2Ei 7E782031 RCI 4.0FSG2Ei 7E782028 RCD 4.0FSG2 60277566 RPC 4.0FSG2Ei 7E782059 RPI 4.0FSG2Ei 7E782032 RCI 5.0FSG2Ei 7E782029 RCD 5.0FSG2 60277567 RPC 5.0FSG2Ei 7E782060 RPI 5.0FSG2Ei 7E782033 RCI RCD RPC RPI INDOOR UNITS FSG2Ei/FSG2M Series Wall Floor Floor Concealed Model Code Model Code Model Code RPK 1.5FSG2M 600277721 RPF 1.5FSG2Ei 7E787716 RPFI 1.5FSG2Ei 7E787720 RPK 2.0FSG2M 600277722 RPF 2.0FSG2Ei 7E787309 RPFI 2.0FSG2Ei 7E787311 RPF 2.5FSG2Ei 7E787310 RPFI 2.5FSG2Ei 7E787312 RPK RPF RPFI Unit Type (Indoor Unit) RCI - RCD RPC - RPI RPK - RPF RPF(I) RPI- 3 F S G 2(E)(i) Compressor Power (HP) 1.5-2 - 2.5-3 - 4-5 H-Link Set-Free system Made in E: Europe M: Malaysia Inverter

0/4 CONTENTS OUTDOOR UNITS HVRG Series Single Phase Model Code RAS-3HVRG 60278651 RAS-4HVRG 60278652 RAS-5HVRG 60278653 1~ Model Meaning for Outdoor Unit RAS- 4 H V R G Unit Type (Outdoor Unit) RAS Compressor Power (HP) 3-4 - 5 Inverter Heat Pump Single Phase Unit (1~) Scroll Compressor R407C

CONTENTS 0/5 CODE LIST ACCESSORIES Accessory Name Code Figure D-2AVE Drier R407C 7E799901 D-2HVE Drier R407C 7E799902 D-10AVE Drier R407C 7E799903 D-10HVE Drier R407C 7E799904 PC-P5H Optional Remote Controller 60290879 PC-RLH11 Receiver Kit (2-Wires) 60299961 PC-RLH9 Receiver Kit (2-Wires) PC-RLH4 Receiver Kit (3-Wires) 60299911 PC-LH3A Wireless Control Switch 62299909 PCC 1A Optional Function Connector 60199286 (not shown) PC-P1HE Remote Control Switch 7E799954 PRC-10E 3P Extension Cord 6E290211 PRC-15E 3P-Extension Cord 6E290212 PRC-20E 3P-Extension Cord 6E290213 PRC-30E 3P-Extension Cord 6E290214 PRC-10E1 2P Extension Cord 7E790211 PRC-15E1 2P-Extension Cord 7E790212 PRC-20E1 2P-Extension Cord 7E790213 PRC-30E1 2P-Extension Cord 7E790214 PSC-5S Central Station 60299956

0/6 CONTENTS Accessory Name Code Figure PSC-5T 7 Day Timer 60299957 P-G23WA2E Air Panel 7E799496 P-G23WA2E1 Air Panel with heater 7E799486 P-G23WAH2E Air Panel with wireless control 7E799497 P-G23WAH2E1 Air Panel with heater and wireless control 7E799488 P-G46WA2E Air Panel 7E799498 P-G46WA2E1 Air Panel with heater 7E799487 P-G46WAH2E Air Panel with wireless control 7E799499 P-G46WAH2E1 Air Panel with heater and wireless control 7E799489 P-G23DWA1 Air Panel 60299570 P-G46DWA1 Air Panel 60299571 THM-R2AE Remote Sensor (THM4) 7E799907 DBS-26 Drain Discharging Boss 60299192 TE-03 Branch pipe 7E700007 TE-04 Branch pipe 6E200001 TE-56 Branch pipe 6E200002

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1 FEATURES AND BENEFITS 1 1. FEATURES AND BENEFITS CONTENTS 1. FEATURES AND BENEFITS 1 1.1. SYSTEM FEATURES 2 1.2. Features on Indoor Units and Outdoor Units 6 1.2.1. RCI - Four Way Cassette Type 6 1.2.2. RCD - Two-Way Cassette Type 7 1.2.3. RPC - Ceiling Type 7 1.2.4. RPI In-The-ceiling Type 8 1.2.5. RPK - Wall Type 9 1.2.6. RPF - Floor Type 9 1.2.7. RPFI - Floor Concealed Type 10 1.3. NAME OF PARTS 11 1.3.1. INDOOR UNITS 11 1.3.2. OUTDOOR UNITS 14

1 2 FEATURES AND BENEFITS 1.1. SYSTEM FEATURES New DC-INVERTER UTOPIA Series For Single Power Source HITACHI proudly introduces the New "DC-INVERTER UTOPIA" HVRG series, the highly-efficient and reliable air conditioning system, for the markets. Recently, increased numbers of buildings and shops are requiring "Intelligent" facilities - communication networks, office automation, including a comfortable environment. In addition to that, energy saving operation is needed. Particularly, comfortable space is required all the day through the year in shops and office buildings. This split air conditioner, "DC-INVERTER UTOPIA" HVRG " can meet these requirements. The proven combination of the scroll compressor and the inverter provides the best air conditioning for shops and small office buildings. Connectable up to : Single and Twin (only is possible for the same room, in case of applying in differents rooms it should be used Mini Set Free). Outdoor Unit Line-up : 3HP, 4HP, 5HP Power Supply : 220-240V Single Phase Refrigerant : R407C Various Indoor units and combinations The new line-up of new DC Inverter UTOPIA series indor units has been extended up to 31 indoor units in 7 types to find varius buliding requirements 3, 4 and 5 HP for single and twin combinations. Indoor Unit Type Nominal Horsepower (HP) 1.5 2.0 2.5 3.0 4.0 5.0 RCI-FSG2Ei O O O O O O RCD-FSG2 O O O O O O RPC-FSG2Ei - O O O O O RPI-FSG2Ei O O O O O O RPK-FSG2M O O - - - - RPF-FSG2Ei O O O - - - RPFI-FSG2Ei O O O - - - O: AVAILABLE High economical efficiency operation HITACHI use the high technoly to achive the high operation efficiency. The aplications of the following technologies provide HITACHI to achive results like the combination of RCI-5.0 FSG2Ei + RAS 5HVRG (see attached table). This combination has got Top Class high COP (average value of cooling and heating) is 3,42. Outdoor Units Nominal Horsepower (HP) Model RAS-3HVRG RAS-4HVRG RAS-5HVRG Cooling kw/kw 3.06 2.75 3.21 Heating kw/kw 3.67 3.15 3.63 Average kw/kw 3.36 2.95 3.42 These technologies are: DC Fan Motor with Outstanding Efficiency The DC fan motor greatly improves efficiency compared with conventional products having an AC motor. Also, air blasts are reduced by controlling the rotation speed of the fan. Stable Operations are provided against strong head winds of about 10 m/s on the front face of the outdoor unit. DC Compressor Using Neodymium Magnet A DC compressor is used for all models, thus greatly increasing efficiency in all operating areas. In particular, performance at a low speed, which affects the annual running cost, has greatly improved. Moreover, the peculiar electromagnetic noise to DC compressors has been cut by optimizing the rotor shape of the compressor. Motor Efficiency (%) Motor Efficiency (%) DC Motor Revolutions per Min. (rpm) DC Motor AC Motor Revolutions per Min. (rpm) Efficiency increased by 40%. (motor input halved) AC Motor Rotor shape optimized Compressor rotor New Heat Exchanger The new smaller flow resistance heat exchanger using new aluminum fins and pressure loss in pipe decreases with optimized path alignment provides power saving. Also, it has achieved a lower sound operation due to lower fan revolution. Air flow resistance decreased by 20%. Neodymiun magnet adopted The optimized slit shape minimizes noise by reducing air intake resistance Pressure drop in heat exchanger pipe has been decreased.

1 FEATURES AND BENEFITS 3 DC Inverter Plus CBC (Condenser Best Control) The DC Inverter control compressor speeds from 25Hz to 100Hz, reaching quickly at a set temperature and maintaining a stable energy-saving operation. Concept of Operation (in Heating Mode) Room temperature Time In case of DC inverter UTOPIA Quickly reaches set temperature with high power, then maintains stable energy-saving operation. In case of Existing Machine with Constant Speed Slowly reaches set temperature, then turns on and off repeatedly to maintain the temperature, causing uneconomical operation. Compressor (rpm) Set temperature High Power Operation Energy-saving Operation In case of existing machines with constant speed, repeated turning on and off wastes energy. Time DC Inverter UTOPIA Present Machine with Constant Speed Present Machine with Constant Speed DC Inverter UTOPIA Size of heat exchanger increased By controlling the electronic expansion valve with a microcomputer, the refrigeration cycle is optimized. Performance improved by placing the subcooler on the wind ward. Energysaving *2 room temperature control Set temperature controlled depending on outside air temperature. *1) Patent pending. *2) As energy-saving room temperature control is not set before shipment, and the function must be selected if required. Top Class Silence Operation HITACHI use the high technology to achive the Lowest sound tha the competitors effciency The aplications of the following technologies provide HITACHI to achive the results look in the next table, Reduce electromagnetic noise compresor Optimized Rotor Shape Electromagnetic Outdoor Units Model Night Mode (db-a) Standard operation (Lo/Me/Hi) RAS-3HVRG 40 44 46 RAS-4HVRG 45 49 50 RAS-5HVRG 46 50 51 These Technolgies are: SuperHigh Stream Fan Delta shaped edges reduce fan size and noise. New Bell-mouth The new bell-mouth minimizes flow friction, resulting in smooth flow and loww sound. Noise Frequency(Hz) For compressor motor, before changing the rotor Electromagnetic noise reduced New Bell-mouth Air-flow Noise For compressor motor, after changing the rotor Compressor Frequency(Hz)

1 4 FEATURES AND BENEFITS Compact and light Light weight compact for installation DC-Inverter Utopia solves all issues concerening installation space, selectin of cranes, and carry-in schedule. RAS-3HVRG Net Weight: 70kg Installation Space: 0.29m² RAS-4HVRG Net Weight: 70kg Installation Space: 0.29m² RAS-5HVRG Net Weight: 96kg Installation Space: 0.29m² H Link System The H-LINK wiring system requires only two transmission wires connecting indoor unit and outdoor unit for up to 16 refrigerant cycles, and connecting wires for all indoor units and all outdoor units in series. The total wiring length is remarkably reduced. Only one connection is required for the wiring between the indoor unit and outdoor unit. Easy wiring connection to the central controllers Outdoor Unit Transmission Wires Refrigerant Piping Indoor Units Indoor Unit CS-NET Outdoor units Features. Transmission Wire: Polarity of Transmission Wire: Maximum Indoor Units To Be Connected: Maximum Wiring Length: Recommended Cable: Voltage: 2-Wire Non-Polar Wire 32 Units per H-Link Total 1,000m (including CS-NET) Shielded Twisted Pair Cable or Shielded Pair Cable, over 0.75mm2 DC5V NOTES: - In case of applying the H-LINK system, the setting of dip switches is required. If the dip switches are not set or set incorrectly, the alarm may occur due to the transmission failure. - Total wiring length for remote control switch can be extended up to 500m. If total wiring length less than 30m, it is possible to use the normal wiring (0.3mm²). Setting of End Terminal Resistence Before shipment, No.1 pin of DSW5 is set at the ON side. In the case that the outdoor units quantity in the same H- link is 2 or more, set No.1 pin of DSW5 at the OFF side from the 2 nd unit. If only one outdoor unit is used, no setting is required. Setting of End terminal Resistance DSW5 Before Shipment ON 1 2 Cancellation ON 1 2

1 FEATURES AND BENEFITS 5 New Transmission System A non-polar 2-wire cable is applied for the transmission wires connecting indoor units and outdoor unit. Miswiring by inverting connections 1 and 2 is eliminated Maintenance and easy construcction Carefree Maintenance Easy maintenance access is assured without the need to move or disconnect any of the outdoor units thanks to the conveniently located front access panel. Electronical capacity control Precise Control with the wide Range Inverter The compressor speed for HVRG series outdoor unit is controlled within a wide range of from 25Hz to 100Hz. Therefore, smooth operation is available without frequently using the ON/OFF control. This new wide range capacity control can meet not only the needs of a wide space but also a small space such as guest rooms and management rooms. Defrosting operation can be quickly performed because of a high compressor speed of 70~75Hz. Flexible installation New piping connectors pivot four-ways (front, rear, side, underneath) to permit much easier access positions of units. This greatly enhanced flexibility reduces problems at installation time and encourages the alignment of multiple outdoor units in more compact arrangements. Standard Unit Inlet Air Temperature Cooling Operation (Setting Temperature of Thermostat: 23 ºC 10 min. Outlet Air Temperature Time Inverter Driven Unit Inverter Frequency Cooling Operation (Setting Temperature of Thermostat: 23 ºC) Inlet Air Temperature Wide Operation weight This unit has been designed for cooling operation under low ambient temperatures down to -5 C. This feature enables cooling to be obtained even in winter on buildings with high internal heat gains due to lighting, people and machines, particularly in areas such as shops, lecture rooms, data processing areas etc. And the heating operation under low ambient temperature down to -15 C can be also performed. Cooling Operation Heating Operation 10 min. Outlet Air Temperature Time Electronic Capacity Control The capacity of the 3, 4 and 5HP outdoor unit is continuously controlled by the inverter from 25% to 100%. This wide working range has been obtained by the improvement of shaft strength and high pressure oil circulation in the scroll compressor. Outdoor Air Dry Bulb Temperature ( C DB) Outdoor Air Wet Bulb Temperature ( C WB) Within 500h (Control Range) Therefore, an air conditioning system where heat load is greatly changed through the day is easily catered for. Also, the capacity of indoor unit is controlled by detecting the inlet and set room temperatures using an inverter driven compressor. Therefore even a small room can be air conditioned without unwanted ON/OFF operation, resulting in comfortable air conditioning. Indoor Suction Air wet Bulb Temperature ( C WB) Indoor Suction Air wet Bulb Temperature ( C WB) Inverter Control of Outdoor Unit 100Hz 25Hz (25%) 1. Improvement Shaft Strength 2. High Pressure Oil Circulation Extended piping allowed The maximum piping length is 50 meters and maximum height between Outdoor and Indoor unit is 30 meters. Wide Operating Range 25%

1 6 FEATURES AND BENEFITS Drying Operation Control This system combining the inverter speed control with indoor air volume control performs efficient dehumidification with negligible change in room temperature (see graphic) Room Temperature and Humidity Variation During Dry Operation Humidity (%) Room Temp. ( C) Air Conditioning Drying Air Conditioning Trial operation and Self-Diagnosing by Multi-Function Remote Control Switch and Printed Circuit Board in Outdoor Unit A high quality control by the new remote control switch has been developed. The self-diagnosing function, which enables quick checking of operation conditions in the indoor units and outdoor unit, has been newly equipped. Furthermore, alarm data can be put into the memory of a micro-computer when an abnormality occurs. A self-diagnosing function for printed circuit boards is also available. Various operation data such as expansion valve opening, etc. are indicated on the 7-segments on the printed circuit board in the outdoor unit. By these functions, saving of maintenance period and labour during the trial operation and servicing has been achieved. 1.2. FEATURES ON INDOOR UNITS AND OUTDOOR UNITS 1.2.1. RCI - FOUR WAY CASSETTE TYPE Unified Panel Unified panel, gives the possibility to harmonise the installations when Set-Free and Utopia Indoor Units are combined. 4 -Way Airflow A gentle but continuous stream of perfectly tempered air is dispersed evenly throughout the room in all directions. The vents on all four sides are fully adjustable. Temperature Distribution Vertical Temperature Distribution Cooling Heating Auto Swing Motor Air Discharge Air Discharge Wireless Receiver Part Air Discharge Air Discharge Insulation Material (8 parts) NOTE: At High Speed. The air is symmetrically discharged. These figures show the distribution when no obstruction exists. Branch discharge duct for 4-way In the cases shown in the figure below, branched ducts may be employed to give uniform temperature air conditioning. In the case that there are obstacles such as partitions inside the room, and there are places where the air from the air conditioner will not circulate well. Automatic Swing Louver Optionally, This unit is equipped with an automatic swing louver to ensure even distribution of conditioned air to the entire room. Partition Return Grille

1 FEATURES AND BENEFITS 7 Fresh air intakes is available Connection position of Fresh Air intake can be taken in by connecting the duct beside indoor unit as shown in the drawing below with control duct fan it will operate only when unit is operating giving good air recirculation and good comfort. New Air Panel, Perfect Fit for Any Ceiling This unit virtually merges with the ceiling leaving only 30 mm protruding. The new air panel provides some space for customized paneling, allowing the unit to blend into any ceiling perfectly. Duct (To be made of only non-combustible materials) Thermal Insulation (Non-combustible materials) Low Profile Design A compact turbo fan simplifies the structure and reduces the heigh of the unit to 298 mm, end the low profile design unit allows easy installation in a smal space inside of ceiling. Damper Inspection Panel Duct Fan Air Filter Fresh Air Intake Hood with Gallery (Attached Drip- Proof Hood Type) Built-in Drain Pump The cassette air conditioning unit is equipped with an internal drain pump that removes accumulated condensation from the drain pan even while the cooling operation is in progress. An electronic sensor monitors the water level and automatically activates the pump when draining becomes necessary Elegant Design The gently contoured standard air panel is less than 4 cm. It is tastefully designed to blend with any interior while delivering a maximum flow of air. The 34 cm profile of the hidden ceiling unit is low enough to allow unfettered installation in almost any building. 1.2.3. RPC - CEILING TYPE New Model (50%) Current (100%) 1.2.2. RCD - TWO-WAY CASSETTE TYPE Quiet Operation A factor contributing to HITACHI s development of the quietest air conditioner yet, is the multi-blade centrifugal fan used in these special two-way cassette type indoor units. Unlike conventional units, the noise level has been reduced to an exceptionally low 30dB-A (1.0HP unit, Low position). Ideal wherever quiet operation is important. Operation Sound db-a HP 1.0 1.5 2.0 2.5 3.0 4.0 5.0 Sound Lo 30 30 30 31 33 33 36 Level Hi 34 35 35 38 40 40 43 New Profile Design RPC unit has been designed looking for elegant apparency with more confortable style and new colour. As usual the unit has fully adjustable mounting brackets permiting a flush fit with the ceiling to make installation possible in even tigtest places Concealed NOTE: In case of power source of 240V, the sound pressure level increases by 1 db approx.

1 8 FEATURES AND BENEFITS Versatile Mounting To expand the installation and positioning options, HITACHI added a second drain pipe connector, one more than conventional units. Automatic Swing Louver This unit is equipped with an automatic swing louver to ensure even distribution of conditioned air to the entire room. Simple and flexible Installation By enabling refrigeration piping to be tucked-in close to each indoor unit, piping layout and installation have been made much easier. 1.2.4. RPI IN-THE-CEILING TYPE 0.8HP ~ 1,5HP 2.0HP ~ 5.0HP Rear Side Drain Piping Quiet Operation A precision-balanced fan provides quiet and efficient operation. Models Sound Level (db A) STD SP HSP LSP RPI-1.5 45 RPI-2.0 42 44 35 RPI-2.5 44 47 39 RPI-3.0 45 48 41 RPI-4.0 48 50 44 RPI-5.0 50 52 48 New Fan Unit with three static pressure levels The unit is set at static pressure for normal operations as standard (STD SP).The High Static pressure (HSP) is available for long ducts installation giving the possibility to acurate the air flow distribution in the building. And it is giving additional advantage of the new low static pressure (LSP) option for extra short duct. Actual noise levels in the field can be decreased taking advantage of the static pressure selectionability, and all fan speed levels: High, Medium & Low are available. Drain pump as standard All unit range, from 1.5HP, are equipped with an internal Drain pump, that remove the accumulated condensation from the drain pan even while the cooling operation is in progress. An electronic sensor monitors the water level and automatically activates the pump when draining becomes necessary. This easy to service unit is equiped with transparent ductled drain pipe in order to improve the commissioning process. Example: (2.0HP to 5.0HP) Transparent Ducted Drain Pipe New Solid Structure and reduced dimensions New RPI design is giving more solid, reinforced structure to the unit and improving rigidity when it is suspended. The unit has reduced dimensions requesting field shorter for installation and it has the lowest height in the market.

1 FEATURES AND BENEFITS 9 Suction filter as STD accessory New RPI unit is already equipped with filter as standard accessories that can be used in cases that suction unit is accessible because of not suction duct is used or it is very short. Quiet Operation By utilizing a long centrifugal fan which has a small diameter and smooth air flow patterns, operation sound has been significantly reduced to 31dB-A (at Low position). This model creates a pleasant, quiet and comfortable environment. Outlet Air Flow Standard Air Filter (Factory supplied) Function, Swing Louver The Swing Louver with three flaps ( & ) at both sides has been adopted, in order to provide comfortable air to the entire room. See subchapter 12.5 for more information In case that suction duct is very long, the same filter can be installed in the suction false ceiling filter. The new incorporade standard filter is giving more advantages and facilities for duct type units installation. Air suction direction change (only for 2.0HP to 5.0HP) Air suction direction could be modified changing back cover (2) for fan cover (1). Wireless or Wired Control The indoor unit is equipped with a wireless receiver kit inside as a standard accessory. The wired remote control switch, PC-P1HE is also applicable. 1.2.6. RPF - FLOOR TYPE Slim Design of only 220 mm Depth Due to the slim designs, the indoor unit can be installed along the wall without wasting valuable floor space. Low Height of only 630 mm The height of the indoor unit is only 630 mm so that this unit is ideal for the perimeter zone air conditioning Back Suction Bottom Suction 1.2.5. RPK - WALL TYPE Optional Location for PC-P1HE (RPF) In case of RPF Unit, it is possible to install the PC-P1HE under the plastic cover as shown in the figure below: Air flow guide Elegant Design With it s elegant and timeless design, this unit will match any decor. It s compact size makes it easy to install even in the smallest of rooms.

1 10 FEATURES AND BENEFITS 1.2.7. RPFI - FLOOR CONCEALED TYPE Compact Design This unit is normally installed inside walls under windows, without changing the interior. Due to its compact design, 620mm in height, 220mm in depth and 863mm for 1.0, 988mm for 1.5 and 1238mm for 2/2.5 in width, the unit can be installed in a limited space in most buildings. Air discharge direction change Air suction direction could be modified changing back cover Air Outlet Flange Up-Front Cover

1 FEATURES AND BENEFITS 11 1.3. NAME OF PARTS 1.3.1. INDOOR UNITS RCI - 1.5 ~ 5.0FSG2Ei (CASSETTE TYPE) No. Part Name 1 Fan 2 Fan Motor 3 Heat Exchanger 4 Distributor 5 Expansion Valve 6 Electrical Control Box 7 Gas Refrigerant Connection 8 Liquid Refrigerant Connection 9 Drain Pipe Connection 10 Motor for Drain discherge Mechanism 11 Float Switch 12 Drain Pan 13 Panel 14 Air Filter 15 Air Outlet 16 Air Inlet Model RCI-(1.5~3.0)FSG2E(i) RCI-(4.0~5.0)FSG2E(i) Panel P-G23WA(H)2E(1) P-G46WA(H)2E(1) RCD - 1.5 ~ 5.0FSG2 (2 WAYS CASSETE TYPE) No. Part Name 1 Fan 2 Fan Motor 3 Heat Exchanger 4 Distributor 5 Strainer 6 Micro - Computer Control Ex. Valve 7 Electrical Control Box 8 Refrigerant Gas Pipe Connection 9 Refrigerant Liquid Pipe Connection 10 Drain Pipe Connection VP25 11 Drain Discharge Mechanism 12 Float Switch 13 Drain Pan 14 Air Panel 15 Air Intake Grille 16 Air Filter 17 Air Outlet 18 Air Inlet Model RCD-(1.5~3.0)FSG2 RCD-(4.0~5.0)FSG2 Panel P-G23DWA1 P-G46DWA1

1 12 FEATURES AND BENEFITS RPC - 2.0 ~ 5.0FSG2Ei (CEILING TYPE) No. Part Name 1 Fan Casing 2 Fan 3 Fan Motor 4 Heat Exchanger 5 Distributor 6 Expansion Valve 7 Air Filter 8 Refrigerant Gas Pipe Connection 9 Refrigerant Liquid Pipe Connection 10 Electrical Control Box 11 Motor for Auto-Swing 12 Air Oulet 13 Air Inlet 14 Side Cover 15 Drain Pan RPI - 1.5FSG2Ei (Low Heigh) No. Part Name 1 Fan Casing 2 Fan 3 Fan Motor 4 Heat Exchanger 5 Distributor 6 Expansion Valve 7 Refrigerant Gas Pipe Connection 8 Refrigerant Liquid Pipe Connection 9 Electrical Control Box 10 Air Inlet 11 Air Outlet 12 Drain up mechanism 13 Drain pipe connection RPI - 2.0 ~ 5.0FSG2Ei (IN-THE-CEILING TYPE) No. Part Name 1 Fan Casing 2 Fan 3 Fan Motor 4 Heat Exchanger 5 Distributor 6 Expansion Valve 7 Air Filter 8 Refrigerant Gas Pipe Connection 9 Refrigerant Liquid Pipe Connection 10 Electrical Control Box 11 Air Inlet 12 Air Outlet 13 Drain up mechanism 14 Drain pipe connection

1 FEATURES AND BENEFITS 13 RPK - 1.5 ~ 2.0FSG2M (WALL TYPE) No. Part Name 1 Fan 2 Fan Motor 3 Heat Exchanger 4 Distributor 5 Strainer 6 Expansion Valve 7 Electrical Control Box 8 Bearing 9 Liquid refrigerant Connector 10 Gas Refrigerant Connector 11 Drain Pipe Connection 12 Auto-Swing Motor 13 Drain Pan 14 Air Filter 15 Air Outlet 16 Air Inlet Grille 17 Wireless Receiver RPF - 1.5 ~ 2.5FSG2Ei (FLOOR TYPE) No. Part Name 1 Fan Casing 2 Fan 3 Fan Motor 4 Heat Exchanger 5 Expansion Valve 6 Distributor 7 Air Filter 8 Refrigerant Gas Pipe Connection 9 Refrigerant Liquid Pipe Connection 10 Electrical Control Box 11 Air Inlet 12 Air Oulet 13 Drain pipe connection RPFI - 1.5 ~ 2.5FSG2Ei (FLOOR CONCEALED TYPE) No. Part Name 1 Fan Casing 2 Fan 3 Fan Motor 4 Heat Exchanger 5 Expansion Valve 6 Distributor 7 Air Filter 8 Refrigerant Gas Pipe Connection 9 Refrigerant Liquid Pipe Connection 10 Electrical Control Box 11 Air Inlet 12 Air Oulet 13 Drain pipe connection

1 14 FEATURES AND BENEFITS 1.3.2. OUTDOOR UNITS RAS - 3~4HVRG No. Part Name 1 Compressor 2 Heat Exchanger 3 Propeller Fan 4 Fan Motor 5 Strainer 6 Distributor 7 Reversing Valve 8 Expansion Valve 9 Stop Valve for Gas Line 10 Stop Valve for Liquid Line 11 Receiver 12 Check Joint 13 Electrical Box 14 High Pressure Switch for Protection 15 Pressure Switch for Control 16 Vibration Absorbing Rubber 17 Air Outlet 18 Air Inlet RAS - 5HVRG No. Part Name 1 Compressor 2 Heat Exchanger 3 Propeller Fan 4 Fan Motor 5 Strainer 6 Distributor 7 Reversing Valve 8 Expansion Valve 9 Stop Valve for Gas Line 10 Stop Valve for Liquid Line 11 Receiver 12 Check Joint 13 Electrical Box 14 High Pressure Switch for Protection 15 Pressure Switch for Control 16 Vibration Absorbing Rubber 17 Air Outlet 18 Air Inlet

GENERAL DATA 2/1 2 GENERAL DATA CONTENTS 2 GENERAL DATA 1 2.1. General Data for Indoor Units 2 2.1.1. RCI - 4-Way-Cassette Type 2 2.1.2. RCD - 2-Way-Cassette Type 3 2.1.3. RPC - Ceiling Type 4 2.1.4. RPI - In-The_Ceiling Type (1.5 ~ 5.0HP) 5 2.1.5. RPK - Wall Type 6 2.1.6. RPF & RPFI - Floor & Floor Concealed Type 7 2.2. General Data for Outdoors Units 8 2.2.1. RAS - Outdoors Unit 8 2.3. Component Data 9 2.3.1. RCI - 4-Way Cassette Type 9 2.3.2. RCD - 2-Way Cassette Type 9 2.3.3. RPC - Ceiling Type 10 2.3.4. RPI - In-the-Ceiling Type 10 2.3.5. RPK - Wall Type 11 2.3.6. RPF - Floor Type and RPFI Floor Concealed Type 11 2.3.7. Outdoor Heat Exchanger and Fan 12 2.3.8. Compressor 12

2/2 GENERAL DATA 2.1. GENERAL DATA FOR INDOOR UNITS 2.1.1. RCI - 4-WAY-CASSETTE TYPE MODEL RCI RCI-1.5 FSG2Ei(x2) RCI-2.0 FSG2Ei(x2) RCI-2.5 FSG2Ei(x2) RCI-3.0 FSG2Ei RCI-4.0 FSG2Ei RCI-5.0 FSG2Ei Nominal Cooling Capacity W 7100 10000 12500 7100 10000 12500 Nominal Heating Capacity W 8000 11200 14000 8000 11200 14000 Air Flow Rate (Hi/Me/Lo) m 3 /min 13/11/10 15/13/10 18/15/12 21/18/15 32/28/24 34/29/25 Fan Motor W 23 30 30 30 60 60 Sound Pressure Level (Overall A Scale) (Hi/Me/Lo) db (A) 38/35/32 38/36/32 40/37/33 41/39/33 45/41/37 46/41/37 Height mm 298 298 298 298 348 348 Outer Dimensions Width mm 820 820 820 820 1140 1140 Depth mm 820 820 820 820 820 820 Net Weight kg 30 32 34 34 43 44 Refrigerant R407C (Nitrogen Charged in Factory for Corrosion-Resistance) Connections Flare-nut Connection (With Flare-Nuts) Liquid Line mm (in.) 6.35(1/4) 6.35 (1/4) 9.53 (3/8) 9.53 (3/8) 9.53 (3/8) 9.53 (3/8) Refrigerant Gas Line mm (in.) 12.7(1/2) 15.88 (5/8) 15.88 (5/8) 15.88 (5/8) 19.05 (3/4) 19.05 (3/4) Piping Condensate Drain mm 32 OD 32 OD 32 OD 32 OD 32 OD 32 OD Packing Measurements m 3 0.30 0.30 0.30 0.30 0.45 0.45 Standard accessories - Suspension Brackets Standard P-G23WA2E P-G46WA2E With Wireless P-G23WAH2E P-G46WAH2E Adaptable Air Panel Model With Heater P-G23WA2E1 P-G46WA2E1 With wireless and Heater P-G23WAH2E1 P-G46WAH2E1 Color (Munsell Code) Spring White (4.1Y 8.5 / 0.7) Height mm 31+10 31+10 31+10 31+10 31+10 31+10 Outer Dimensions Width mm 950 950 950 950 1270 1270 Depth mm 950 950 950 950 950 950 Net Weight kg 7 7 7 7 10 10 Packing Measurements m 3 0.12 0.12 0.12 0.12 0.22 0.22 Branch Pipe Kit - TE-03 TE-04 TE-56 Optional Accessories - Remote Control Switch (PC-P1HE or PC-2H2) OD: Outer Diameter NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the HITACHI standard split system, and are based on the ISO 5151. Operation Conditions Cooling Heating Indoor Air Inlet Temperature DB 27.0 C 20.0 C WB 19.0 C Outdoor Air Inlet Temperature DB 35.0 C 7.0 C WB 6.0 C Piping Length: 7.5 meters; Piping Lift: 0 meter DB: Dry Bulb; WB: Wet Bulb 2. The Sound Pressure Level is based on the following conditions: 1.5 meters beneath the Unit Voltage of the power source for the indoor fan motor is 220V. The above data was measured in an anechoic chamber so that reflected sound should be taken into consideration when installing the unit. 3. For more information about capacities, see chapter 4. 4. Panels P-G23WAH2E(1) and P-G46WAH2E(1), are equipped with wireless remote control system. 5. Panels P-G23WA(H)2E1 and P-G46WA(H)2E1, have been equiped with dew prevention Heater.

GENERAL DATA 2/3 2.1.2. RCD - 2-WAY-CASSETTE TYPE MODEL RCD RCD-1.5 FSG2(x2) RCD-2.0 FSG2(x2) RCD-2.5 FSG2(x2) RCD-3.0 FSG2 RCD-4.0 FSG2 RCD-5.0 FSG2 Nominal Cooling Capacity W 7100 10000 12500 7100 10000 12500 Nominal Heating Capacity W 8000 11200 14000 8000 11200 14000 Air Flow Rate (Hi/Me/Lo) m 3 /min 12/10/8.5 15/13/11 18/15.5/13.5 22/19/16 30/26/23 32/29/25 Fan Motor W 35 35 55 55 35x2 35x2 Sound Pressure Level (Overall A Scale) (Hi/Me/Lo) db (A) 35/32/30 35/32/30 38/34/31 40/36/33 40/36/33 43/40/36 Height mm 298 298 298 298 298 298 Outer Dimensions Width mm 860 860 860 860 1420 1420 Depth mm 620 620 620 620 620 620 Net Weight kg 27 27 30 30 48 48 Refrigerant R407C (Nitrogen Charged in Factory for Corrosion-Resistance) Connections Refrigerant Piping Flare-nut Connection (With Flare-Nuts) Liquid Line mm (in.) 6.35 (1/4) 6.35 (1/4) 9.53 (3/8) 9.53 (3/8) 9.53 (3/8) 9.53 (3/8) Gas Line mm (in.) 12.7 (1/2) 15.88 (5/8) 15.88 (5/8) 15.88 (5/8) 19.05 (3/4) 19.05 (3/4) Condensate Drain mm Ø32 OD Ø32 OD Ø32 OD Ø32 OD Ø32 OD Ø32 OD Packing Measurements m 3 0.23 0.23 0.23 0.23 0.37 0.37 Standard accessories - Suspension Brackets Adaptable Air Panel Model P-G23DWA1 P-G46DWA1 Color (Munsell Code) Silky White Height mm 30+10 30+10 30+10 30+10 30+10 30+10 Outer Dimensions Width mm 1100 1100 1100 1100 1660 1660 Depth mm 710 710 710 710 710 710 Net Weight kg 6 6 6 6 8 8 Packing Measurements m 3 0.10 0.10 0.10 0.10 0.15 0.15 Branch Pipe Kit - TE-03 TE-04 TE-56 Optional Accessories - Remote Control Switch (PC-P1HE or PC-2H2) OD: Outer Diameter NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the HITACHI standard split system, and are based on the ISO 5151. Operation Conditions Cooling Heating Indoor Air Inlet Temperature DB 27.0 C 20.0 C WB 19.0 C Outdoor Air Inlet Temperature DB 35.0 C 7.0 C WB 6.0 C Piping Length: 7.5 meters; Piping Lift: 0 meter DB: Dry Bulb; WB: Wet Bulb 2. The Sound Pressure Level is based on the following conditions: 1.5 meters beneath the Unit Voltage of the power source for the indoor fan motor is 220V. The above data was measured in an anechoic chamber so that reflected sound should be taken into consideration when installing the unit. 3. For more information about capacities, see chapter 4. 4. Panels P-G23DWA1 and P-G46WA1 are equipped with an automatic swing louver system.

2/4 GENERAL DATA 2.1.3. RPC - CEILING TYPE MODEL RPC RPC-2.0 FSG2Ei(x2) RPC-2.5 FSG2Ei(x2) RPC-3.0 FSG2Ei RPC-4.0 FSG2Ei RPC-5.0 FSG2Ei Nominal Cooling Capacity W 10.000 12.500 7.100 10.000 12.500 Nominal Heating Capacity W 11.200 14.000 8 000 11.200 14.000 Air Flow Rate (Hi/Me/Lo) m3/min 15/13/10 18/16/12 21/17/15 30/24/19 35/28/21 Fan Motor W 75 75 75 145 145 Sound Pressure Level (Overall A Scale) (Hi/Me/Lo) db (A) 44/42/38 46/43/41 48/45/42 49/45/39 49/46/41 Height mm 163 163 163 225 225 Outer Dimensions Width mm 1094 1314 1314 1314 1574 Depth mm 625 625 625 625 625 Net Weight kg 28 31 31 35 41 Color (Munsell Code) Spring White (4.1Y 8.5 / 0.7) Refrigerant R407C (Nitrogen Charged in Factory for Corrosion-Resistance) Connections Refrigerant Piping Flare-nut Connection (With Flare-Nuts) Liquid Line mm (in.) 6.35 (1/4) 9.53 (3/8) 9.53 (3/8) 9.53 (3/8) 9.53 (3/8) Gas Line mm (in.) 15.88 (5/8) 15.88 (5/8) 15.88 (5/8) 19.05 (3/4) 19.05 (3/4) Condensate Drain mm 25 OD 25 OD 25 OD 25 OD 25 OD Packing Measurements m3 0.24 0.24 0.29 0.36 0.43 Standard Accesories Mounting Bracket Branch Pipe Kit - TE-04 TE-56 Optional Accessories - Remote Control Switch (PC-P1HE or PC-2H2) OD: Outer Diameter NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the HITACHI standard split system, and are based on the ISO 5151. Operation Conditions Cooling Heating Indoor Air Inlet Temperature DB 27.0 C 20.0 C WB 19.0 C Outdoor Air Inlet Temperature DB 35.0 C 7.0 C WB 6.0 C Piping Length: 7.5 meters; Piping Lift: 0 meter DB: Dry Bulb; WB: Wet Bulb 2. The Sound Pressure Level is based on the following conditions: 1 meter beneath the Unit 1 meter from discharge Grille Voltage of the power source for the indoor fan motor is 220V. The above data was measured in an anechoic chamber so that reflected sound should be taken into consideration when installing the unit. 3. For more information about capacities, see chapter 4.

GENERAL DATA 2/5 2.1.4. RPI - IN-THE_CEILING TYPE (1.5 ~ 5.0HP) MODEL RPI RPI-1.5 FSG2Ei(x2) RPI-2.0 FSG2Ei(x2) RPI-2.5 FSG2Ei(x2) RPI-3.0 FSG2Ei RPI-4.0 FSG2Ei RPI-5.0 FSG2Ei Nominal Cooling Capacity W 7100 10000 12500 7100 10000 12500 Nominal Heating Capacity W 8000 11200 14000 8000 11200 14000 HSP m 3 /min 16/15/11 19/17/14 22/20/16 30/28/25 35/31/28 Air Flow Rate STDSP m 3 /min 10/9/7 16/14/12 19/17/15 22/20/17 30/28/26 35/32/29 (Hi/Me/Lo) LSP m 3 /min - 16/13 19/15 22/18 30/28 35/31 HSP mmaq - 12/10/6 12/10/6 12/10/6 12/10/8 12/10/8 Static Pressure STDSP mmaq 5 8/6/5 8/6/5 8/6/5 8/7/6 8/7/6 (Hi/Me/Lo) LSP mmaq - 3/2 3/2 3/2 3/2 3/2 Fan Motor W 55 80 225 225 350 350 Sound Pressure HSP db (A) - 44/42/35 47/44/38 48/46/40 50/48/46 52/50/47 Level (Overall A Scale) STDSP db (A) 45/42/37 42/38/35 44/41/38 45/43/39 48/46/44 50/49/46 (Hi/Me/Lo) LSP db (A) - 35/29/29 39/33/33 41/36/36 44/42/42 48/44/44 Height mm 197 274 274 274 274 274 Outer Dimensions Width mm 1020 1074 1074 1074 1464 1464 Depth mm 574 643 643 643 643 643 Net Weight Kg 33.5 43 45 45 51 52 Refrigerant - R407C (Nitrogen Charged in Factory for Corrosion-Resistance) Connections - Flare-nut Connection (With Flare Nuts) Refrigerant Piping Liquid Line mm (in.) Ø6.35 (1/4) Ø6.35 (1/4) Ø9.53 (3/8) Ø9.53 (3/8) Ø9.53 (3/8) Ø9.53 (3/8) Gas Line mm (in.) Ø12.7 (1/2) Ø15.88 (5/8) Ø15.88 (5/8) Ø15.88 (5/8) Ø19.05 (3/4) Ø19.05 (3/4) Condensate Drain mm Ø32 OD Ø32 OD Ø32 OD Ø32 OD Ø32 OD Ø32 OD Packing Measurement m 3 0.16 0.36 0.36 0.36 0.48 0.48 Branch Pipe Kit - TE-03 TE-04 TE-56 - Optional Accessories - Remote Control Switch (PC-P1HE or PC-2H2) OD: Outer Diameter HSP: High Static Pressure Connection LSP: Low Static Pressure Connection STDSP: Standard Static Pressure Connection NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the HITACHI standard split system, and are based on the ISO 5151. Operation Conditions Cooling Heating Indoor Air Inlet Temperature DB 27.0 C 20.0 C WB 19.0 C Outdoor Air Inlet Temperature DB 35.0 C 7.0 C WB 6.0 C Piping Length: 7.5 meters; Piping Lift: 0 meter DB: Dry Bulb; WB: Wet Bulb 2. The Sound Pressure Level is based on the following conditions: 1.5 meter beneath the Unit ( without ceiling under the unit), applying suction duct 1 m. and discharge duct 2m. Voltage of the power source for the indoor fan motor is 220V. The above data was measured in an anechoic chamber so that reflected sound should be taken into consideration when installing the unit. 3. For more information about capacities, see chapter 4.

2/6 GENERAL DATA 2.1.5. RPK - WALL TYPE MODEL RPK RPK-1.5FSG2M(x2) RPK-2.0FSG2M(x2) Nominal Cooling Capacity W 3550 5000 Nominal Heating Capacity W 4000 5600 Air Flow Rate (Hi/Me/Lo) m³/min 14/12/10 15/13/11 Fan Motor W 15 15 Sound Pressure Level (Overall A Scale) (Hi/Me/Lo) db (A) 41-37-34 42-38-36 Outer Height mm 298 298 Dimensions Width mm 1,090 1,090 Depth mm 193 193 Net Weight kg 14 14 Color (Munsell Code) Pearl White (N9.25) Refrigerant R407C / R410A (Nitrogen-Charged for Corrosion-Resistance) Connections Flare-Nut Connection (With Flare Nuts) Refrigerant Liquid Line mm (in.) Ø6.35 (1/4) Ø6.35 (1/4) Piping Gas Line mm (in.) Ø12.7 (1/2) Ø15.88 (5/8) Condensate Drain Ø26 OD Ø26 OD Packing Measurement m³ 0.12 0.12 Standard Accessories Mounting Brackets Branch Pipe Kit TE-03 TE-04 Optional Accessories Remote Control Switch (PC-P1HE or PC-2H2) OD: Outer Diameter NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the HITACHI standard split system, and are based on the ISO 5151. Operation Conditions Cooling Heating Indoor Air Inlet Temperature DB 27.0 C 20.0 C WB 19.0 C Outdoor Air Inlet Temperature DB 35.0 C 7.0 C WB 6.0 C Piping Length: 7.5 meters; Piping Lift: 0 meter DB: Dry Bulb; WB: Wet Bulb 2. The Sound Pressure Level is based on the following conditions: 1 meter beneath the Unit. 1 meter from discharge grille. Voltage of the power source for the indoor fan motor is 220V. The above data was measured in an anechoic chamber so that reflected sound should be taken into consideration when installing the unit. 3. For more information about capacities, see chapter 4.

GENERAL DATA 2/7 2.1.6. RPF & RPFI - FLOOR & FLOOR CONCEALED TYPE MODEL RPF(I) RPF-1.5 FSG2Ei(x2) RPF-2.0 FSG2Ei(x2) RPF-2.5 FSG2Ei(x2) RPFI-1.5 FSG2Ei(x2) RPFI-2.0 FSG2Ei(x2) RPFI-2.5 FSG2Ei(x2) Nominal Cooling Capacity W 3.550 5.000 6.250 3.550 5.000 6.250 Nominal Heating Capacity W 4.000 5.600 7.000 4.000 5.600 7.000 Air Flow Rate (Hi/Lo) m 3 /min 12/10/9 16/14/11 16/14/11 12/10/9 16/14/11 16/14/11 Fan Motor W 28 45 45 28 45 45 Sound Pressure Level (Overalll A Scale) (Hi/Me/Lo) db (A) 38/35/31 39/36/32 42/38/34 38/35/31 39/36/32 42/38/34 Height mm 630 630 630 620 620 620 Outer dimensions Width mm 1170 1420 1420 988 1238 1238 Depth mm 220 220 220 220 220 220 Net Weight kg 23 33 34 23 27 28 Color (Munsell Code) - Spring White (4.1Y 8.5 / 0.7) --- Refrigerant - R407C (Nitrogen Charged in Factory for Corrosion-Resistance) Connections Refrigerant Piping Flare-nut Connection (With Flare-Nuts) Liquid Line mm (in) Ø6.35 (1/4) Ø6.35 (1/4) Ø9.53 (3/8) Ø6.35 (1/4) Ø6.35 (1/4) Ø9.53 (3/8) Gas Line mm (in) Ø12.7 (1/2) Ø15.88 (5/8) Ø15.88 (5/8) Ø12.7 (1/2) Ø15.88 (5/8) Ø15.88 (5/8) Condensate Drain mm Ø18.5 OD Ø18.5 OD Ø18.5 OD Ø18.5 OD Ø18.5 OD Ø18.5 OD Packing Measurements m 3 0.24 0.29 0.29 0.23 0.25 0.25 Standard Accesories - Mounting Brackets Branch Pipe Kit - TE-03 TE-04 TE-56 TE-03 TE-04 TE-56 Optional Accessories - Remote Control Switch (PC-P1HE or PC-2H2) OD: Outer Diameter NOTE: 1. The nominal cooling and heating capacity is the combined capacity of the HITACHI standard split system, and are based on the ISO 5151. Operation Conditions Cooling Heating Indoor Air Inlet Temperature DB 27.0 C 20.0 C WB 19.0 C Outdoor Air Inlet Temperature DB 35.0 C 7.0 C WB 6.0 C Piping Length: 7.5 meters; Piping Lift: 0 meter DB: Dry Bulb; WB: Wet Bulb 2. The Sound Pressure Level is based on the following conditions: 1,5 meters from the unit 1,5 meters from floor level Voltage of the power source for the indoor fan motor is 220V. The above data was measured in an anechoic chamber so that reflected sound should be taken into consideration when installing the unit. 3. For more information about capacities, see chapter 4.

2/8 GENERAL DATA 2.2. GENERAL DATA FOR OUTDOORS UNITS 2.2.1. RAS - OUTDOORS UNIT MODEL RAS RAS-3HVRG RAS-4HVRG RAS-5HVRG Power Supply AC 1, 220-240V, 50Hz Nominal Cooling Capacity W 7.100 10.000 12.500 Nominal Heating Capacity W 8.000 11.200 14.000 Cabinet Color (MunsellCode) Synthetic Resin Paint Baked on Galvanized Steel Plate Beige (2.5Y 8/2) Sound Pressure Level Cool(Night Shift)/Heat db 44(40)/46 49(45)/50 50(46)/51 Height mm 800 800 1.240 Outer Width mm 850 850 850 Dimensions Depth mm 315 315 315 Net Weight kg 70 70 96 Refrigerant Flow Control R407C Micro-Computer Control Expansion Valve Compressor Hermetic (Scroll) Model G254AHD G254AHD G404AHD Quantity 1 1 1 Motor Output (Pole) kw 1.9 (4) 1.9 (4) 3.0 (4) Heat Exchanger Multi-Pass Cross-Finned Tube Condenser Fan Propeller Fan Quantity 1 1 1 Air Flow Rate m³/min 45 55 105 Motor Output (Pole) W 50(8) 120(8) 50(8)+80(8) Connections Flare-Nut Connection (Factory supplied) Refrigerant Liquid Line mm (in.) Ø9.53 (3/8) Ø9.53 (3/8) Ø9.53 (3/8) Piping Gas Line mm (in.) Ø15.88 (5/8) Ø19.05 (3/4) Ø19.05 (3/4) Refrigerant Charge kg 2.7 3.0 3.8 Packing Measurement m³ 0.34 0.34 0.50 NOTE: 1. The Sound Pressure Level is based on following conditions: - 1 meter from the unit front surface and 1.5 meter from floor level. The above data was measured in an anechoic chamber so that reflected sound should be taken into consideration in the field. Conditions: as designed in Eurovent procedures for sound testing. 2. The outdoor unit is charged with refrigerant before shipment. The charged volume is the equivalent of a refrigerant piping of 10 meters, when combining to HITACHI standard indoor unit.

GENERAL DATA 2/9 2.3. COMPONENT DATA The components data indicated are the following: Indoor Unit Heat Exchanger and Fan unit of: RCI - 4-Way Cassette Type RCD - 2-Way Cassette Type RPC - Ceiling Type RPI - In-The-Ceiling Type RPK - Wall Type RPF - Floor Type and RPFI Floor Concealed Type Outdoor Unit: Heat Exchanger, Fan unit and Compressor 2.3.1. RCI - 4-WAY CASSETTE TYPE Model RCI RCI-1.5 FSG2Ei RCI-2.0 FSG2Ei RCI-2.5 FSG2Ei RCI-3.0 FSG2Ei RCI-4.0 FSG2Ei RCI-5.0 FSG2Ei Heat Exchanger Fan Unit Heat Exchanger Type Multi-Pass Cross Finned Tube Material Copper Tube Tube Outer Diameter Ø mm 9.53 9.53 9.53 9.53 9.53 9.53 Rows 1 2 2 2 2 2 Fin Material Aluminium Pitch mm 2 2 2 2 2 2 Maximum Operating Pressure MPa 3.3 3.3 3.3 3.3 3.3 3.3 Total Face Area m² 0.38 0.38 0.38 0.343 0.61 0.61 Number of Coil/Unit 1 1 1 1 1 1 Type Multi-Blade Centrifugal Fan Number/unit 1 1 1 1 1 1 Fan Outer Diameter mm 350 350 350 400 450 450 Nominal Air Flow (Hi/Me/Lo) m 3 /min 13/11/10 15/12/10 18/15/12 21/18/15 30/26/22 32/27/23 Type Drip-Proof Type Enclosure Starting method Permanent Split Capacitor Fan Nominal Output Motor (50/60Hz) W 23 30 30 30 60 60 Quantity 1 1 1 1 1 1 Insulation Class E B B B B B 2.3.2. RCD - 2-WAY CASSETTE TYPE Model RCD RCD-1.5 FSG2 RCD-2.0 FSG2 RCD-2.5 FSG2 RCD-3.0 FSG2 RCD-4.0 FSG2 RCD-5.0 FSG2 Heat Exchanger Fan Unit Heat Exchanger Type Multi-Pass Cross Finned Tube Material Copper Tube Tube Outer Diameter Ø mm 7 7 7 7 7 7 Rows 2 2 2 2 3 3 Fin Material Aluminium Pitch mm 1.6 1.9 1.9 1.9 1.9 1.9 Maximum Operating Pressure MPa 3.3 3.3 3.3 3.3 3.3 3.3 Total Face Area m² 0.18 0.32 0.32 0.32 0.42 0.42 Number of Coil/Unit 2 2 2 2 2 2 Type Multi-Blade Centrifugal Fan Number/unit 1 2 2 2 3 3 Fan Outer Diameter mm 186 186 186 186 186 186 Nominal Air Flow (Hi/Me/Lo) m 3 /min 12/10/8.5 15/13/11 18/15.5/13.5 22/19/16 30/26/23 32/29/25 Type Drip-Proof Type Enclosure Starting method Permanent Split Capacitor Fan Nominal Output Motor (50/60Hz) W 30 80 80 80 160 160 Quantity 1 1 1 1 1 1 Insulation Class E E E E E E

2/10 GENERAL DATA 2.3.3. RPC - CEILING TYPE Heat Exchanger Fan Unit Model RPC RPC-2.0 FSG2Ei RPC-2.5 FSG2Ei RPC-3.0 FSG2Ei RPC-4.0 FSG2Ei RPC-5.0 FSG2Ei Heat Exchanger Type Multi-Pass Cross Finned Tube Material Copper Tube Tube Outer Diameter Ø mm 9.53 9.53 9.53 9.53 9.53 Rows 3 3 3 3 Number of Tube/Coil 20 20 20 32 32 Fin Material Aluminium Pitch mm 2 2 2 2 Maximum Operating Pressure MPa 3.3 3.3 3.3 3.3 3.3 Total Face Area m² 0.137 0.12 0.176 0.277 0.347 Number of Coil/Unit 1 1 1 1 Type Multi-Blade Centrifugal Fan Number/unit 3 3 4 3 4 Fan Outer Diameter Ø mm 101 101 101 136 136 Nominal Air Flow (Hi/Me/Lo) m 3 /min 15/13/10 18/16/12 21/17/15 30/24/19 35/28/21 Type Drip-Proof Type Enclosure Starting method Permanent Split Capacitor Fan Nominal Output W 75 75 75 145 145 Motor Quantity 1 1 1 1 1 Insulation Class B B B B B 2.3.4. RPI - IN-THE-CEILING TYPE Heat Exchanger Fan Unit Model RPI RPI-1.5 FSG2Ei RPI-2.0 FSG2Ei RPI-2.5 FSG2Ei RPI-3.0 FSG2Ei RPI-4.0 FSG2Ei RPI-5.0 FSG2Ei Heat Exchanger Type Multi-Pass Cross Finned Tube Material Copper Tube Tube Outer Diameter Ø mm 9.53 9.53 9.53 9.53 9.53 9.53 Rows 3 2 3 3 3 3 Number of Tube/Coil 20 20 30 30 30 30 Fin Material Aluminium Pitch mm 2 2 2 2 2 2 Maximum Operating Pressure MPa 3.3 3.3 3.3 3.3 3.3 3.3 Total Face Area m² 0.12 0.21 0.21 0.21 0.21 0.21 Number of Coil/Unit 1 1 1 1 1 1 Type Multi-Blade Centrifugal Fan Number/unit 2 2 2 2 2 Fan Outer Diameter Ømm 136 180 180 180 180 180 Nominal Air HSP m 3 /min 16/15/11 19/17/14 22/20/16 30/28/25 35/31/28 Flow STDSP m 3 /min 10/7 16/14/12 19/17/15 22/20/17 30/28/26 35/32/29 (Hi/Me/Lo) LSP m 3 /min 16/13 19/15 22/18 30/28 35/31 Type Drip-Proof Type Enclosure Starting method Permanent Split Capacitor Fan Nominal Output Motor (50/60Hz) W 55 80 225 225 350 350 Quantity 1 1 1 1 1 1 Insulation Class B B B B B B HSP: High Static Pressure Connection LSP: Low Static Pressure Connection STDSP: Standard Static Pressure Connection

GENERAL DATA 2/11 2.3.5. RPK - WALL TYPE Heat Exchanger Fan Unit Model RPK RPK-1.5FSG2M RPK-2.0FSG2M Heat Exchanger Type Multi-Pass Cross Finned Tube Material Copper Tube Tube Outer Diameter Ø mm 9.53 9.53 Rows 2 2 Fin Material Aluminium Pitch mm 2 2 Maximum Operating Pressure MPa 3.3 3.3 Total Face Area m² 0.19 0.19 Number of Coil/Unit 1 1 Type Multi-Blade Centrigugal Fan Number/unit 1 1 Fan Outer Diameter mm 120 120 Nominal Air Flow (Hi/Me/Lo) m 3 /min 14/12/10 15/13/11 Type Drip-Proof Type Enclosure Starting method Permanent Split Capacitor Fan Nominal Output W 15 15 Motor Quantity 1 1 Insulation Class E E 2.3.6. RPF - FLOOR TYPE AND RPFI FLOOR CONCEALED TYPE Heat Exchanger Fan Unit Model RPI RPF-1.5 FSG2Ei RPF-2.0 FSG2Ei RPF-2.5 FSG2Ei RPFI-1.5 FSG2Ei RPFI-2.0 FSG2Ei RPFI-2.5 FSG2Ei Heat Exchanger Type Multi-Pass Cross Finned Tube Material Copper Tube Tube Outer Diameter Ø mm 9.53 9.53 9.53 9.53 9.53 9.53 Rows 2 2 3 2 2 3 Number of Tube/Coil 18 18 24 18 18 24 Fin Material Aluminium Pitch mm 2 2 2 2 2 2 Maximum Operating Pressure MPa 3.3 3.3 3.3 3.3 3.3 3.3 Total Face Area m² 0.15 0.21 0.21 0.15 0.21 0.21 Number of Coil/Unit 1 1 1 1 1 1 Type Multi-Blade Centrifugal Fan Number/unit 2 2 2 2 2 Fan Outer Diameter Ømm 136 136 136 136 136 136 Nominal Air Flow (Hi/Me/Lo) m 3 /min 12/10/9 16/14/11 16/14/11 12/10/9 16/14/11 16/14/11 Type Drip-Proof Type Enclosure Starting method Permanent Split Capacitor Fan Nominal Output W 35 45 45 35 45 45 Motor Quantity 1 1 1 1 1 1 Insulation Class E B B E B B

2/12 GENERAL DATA 2.3.7. OUTDOOR HEAT EXCHANGER AND FAN Heat Exchanger Fan Unit Model Outdoor Unit RAS-3HVRG RAS-4HVRG RAS-5HVRG Heat Exchanger Type Multi-Pass Cross Finned Tube Material Copper Tube Tube Outer Diameter Ø mm 7.0 7.0 7.0 Rows 2 2 2 Number of Tube/Coil 76 76 76 Fin Material Aluminium Pitch mm 1.9 1.9 1.9 Maximum Operating Pressure MPa 3.3 3.3 3.3 Total Face Area m² 0.64 0.64 1.00 Number of Coil / Unit 1 1 1 Type Propeller Fan Number/Unit 1 1 2 Fan Outer Diameter mm 465 465 465 Revolution(Up/Low) rpm 678 839 792/833 Nominal Air Flow/Fan m 3 /min 45 55 105 Type Drip-Proof Type Enclosure Starting Method Permanent Split Capacitor Fan Nominal Output W 50 120 50+80 Motor Quantity 1 1 2 Insulation Class E E E 2.3.8. COMPRESSOR Compressor Model G254AHD G404DHD Compressor type Hermetic Scroll Type Air Tight Pressure MPa Discharge 3.3 3.3 Suction 1.6 1.6 Special Squirrell-Cage Three Phase Motor Starting Method Motor Inverter-Driven Type Poles 4 4 Insulation Class E E Oil Type FVB68D Charge L 1.0 1.2

3 DIMENSIONAL DATA 1 3. DIMENSIONAL DATA CONTENTS 3. DIMENSIONAL DATA 1 3.1. Indoor Units 2 3.1.1. 4-Way Cassette Type Models: RCI-1.5~3.0FSG2Ei / P-G23WA(H)E(1) (Optional) 2 3.1.2. 4-Way Cassette Type Models:RCI-4.0/5.0FSG2Ei / P-G46WA(H)2E(1) (Optional) 3 3.1.3. 2-Way Cassette Type Models: RCD-1.5~3.0FSG2 / P-G23DWA1 (Optional) 4 3.1.4. 2-Way Cassette Type Models: RCD-4.0/5.0FSG2 / P-G46DWA1 (Optional) 5 3.1.5. Ceiling Type Models: RPC-2.0FSG2Ei 6 3.1.6. Ceiling Type Models: RPC-2.5/3.0FSG2Ei 7 3.1.7. Ceiling Type Models: RPC-4.0FSG2Ei 8 3.1.8. Ceiling Type Models: RPC-5.0FSG2Ei 9 3.1.9. In -the-ceiling Type Models: RPI-1.5FSG2Ei 10 3.1.10. In-the-Ceiling Type Models: RPI-2.0~3.0FSG2Ei 11 3.1.11. In-the-Ceiling Type Models: RPI-4.0/5.0-FSG2Ei 12 3.1.12. Way Type Models: RPK-1.5/2.0FSG2M 13 3.1.13. Floor Type Models: RPF-1.5~2.5FSG2Ei 14 3.1.14. Floor Type Models: RPFI-1.5~2.5FSG2Ei 15 3.2. Outdoor Units 16 3.2.1. Model: RAS-3/4HVRG 16 3.2.2. Models: RAS-5HVRG 17

3 2 DIMENSIONAL DATA 3.1. INDOOR UNITS 3.1.1. 4-WAY CASSETTE TYPE MODELS: RCI-1.5~3.0FSG2Ei WITH AIR PANEL P-G23WA(H)E(1) (OPTIONAL) Unit (mm) Model / Pipe Sizes a b RCI-1.5FSG2Ei 12.7 6.35 RCI-2.0FSG2Ei 15.88 6.35 RCI-2.5FSGEEi 15.88 9.53 RCI-3.0FSG2Ei 15.88 9.53 View from A Service Access Single Installation Surroundings in the ceiling Double Installation Mark Name Remarks 1 Air Inlet 2 Air Outlet 1 3 Air Outlet 2 4 Refrigerant Gas Line Piping Connection with Øa Flare Nut 5 Refrigerant Liquid Line Piping Connection with Øb Flare Nut 6 Drain Pipe Ø32 Outer Diameter 7 4-12 x 32 Hole For Suspension Bolt Mark Name Remarks 8 Ceiling Opening Hole 9 Range Ajustable 10 Supply Duct Connection Knock Hole 2-Ø150 11 Self-Tapping Screw 6-M4 12 Piping Connection 13 Service Access Panel 14 Fresh Air Intake 100 mm Knockout Hole 15 Wiring Connection for cable 34x60 mm Hole 16 Wiring Connection 32.5mm Knockout Hole

3 DIMENSIONAL DATA 3 3.1.2. 4-WAY CASSETTE TYPE MODELS: RCI-4.0/5.0FSG2Ei WITH AIR PANEL P-G46WA(H)2E(1) (OPTIONAL) View from A Service Access Single Installation Double Installation Surroundings in the ceiling Mark Name Remarks 1 Air Inlet 2 Air Outlet 3 Refrigerant Gas Line Piping Connection with Ø19.5 Flare Nut 4 Refrigerant Liquid Line Piping Connection with Ø9.53 Flare Nut 5 Drain Pipe Ø32 Outer Diameter 6 4-12x32 Hole For Suspension Bolt 7 Ceiling Opening Hole Mark Name Remarks 8 Range Ajustable 9 Supply Duct Connection Knock Hole 2-Ø200 10 Self-Tapping Screw 6-M4 11 Piping Connection 12 Service Access Panel 13 Fresh Air Intake 100 mm Knockout Hole 14 Wiring Connection for cable 34x60 mm Hole 15 Wiring Connection 32.5mm Knockout Hole

3 4 DIMENSIONAL DATA 3.1.3. 2-WAY CASSETTE TYPE MODELS: RCD-1.5~3.0FSG2 WITH AIR PANEL P-G23DWA1 (OPTIONAL) View from A View from B Double Installation Single Installation Enlarged view of D View from E Surroundings in the Ceiling Model / Pepe Sizes Øa Øb RCD-1.5FSG2E 12.7 6.35 RCD-2.0FSG2E 15.88 6.35 RCD-2.5FSG2E 15.88 9.53 RCD-3.0FSG2E 15.88 9.53 Mark Name Remarks 1 Air Inlet 2 Air Outlet 3 Refrigerant Gas Line Piping Connection with Øa Flare Nut 4 Refrigerant Liquid Line Piping Connection with Øb Flare Nut 5 Drain Pipe Ø32 Outer Diameter 6 Hole for Suspension Bolt 890 x 540 Mark Name Remarks 7 Ceiling Open Hole 1160 x 870 8 Suspension Bracket 9 Wiring Hole 36 x 39mm 10 Supply Duct Connection 2 150 x 400 11 Service Access Panel 12 Piping Connection 13 Wiring Connection Cable 32.5mm 14 Self-Tapping Screw 9-M4 / 10 M4

3 DIMENSIONAL DATA 5 3.1.4. 2-WAY CASSETTE TYPE MODELS: RCD-4.0/5.0FSG2 WITH AIR PANEL P-G46DWA1 (OPTIONAL) View from A View from B Double Installation Single Installation Enlarged view of D Surroundings in the Ceiling View from E Mark Name Remarks 1 Air Inlet 2 Air Outlet 3 Refrigerant Gas Line Piping Connection with Øa Flare Nut 4 Refrigerant Liquid Line Piping Connection with Øb Flare Nut 5 Drain Pipe Ø32 Outer Diameter 6 Hole for Suspension Bolt 890 x 540 Mark Name Remarks 7 Ceiling Open Hole 1160 x 870 8 Suspension Bracket 9 Wiring Hole 36 x 39mm 10 Supply Duct Connection 2 150 x 400 11 Service Access Panel 12 Piping Connection 13 Wiring Connection Cable 32.5mm 14 Self-Tapping Screw 9-M4 / 10 M4

3 6 DIMENSIONAL DATA 3.1.5. CEILING TYPE MODELS: RPC-2.0FSG2Ei Service Space Piping Connection Arrangement Mark Name Remarks 1 Air Discharge 2 Air Inlet 3 Hole for Refrigerant Piping 4 Condensate Drain Piping Connection Knockout Hole for Top Side. Refrigerant Piping Arrangement (for A Side) Ø25 Ooter.Diameter. 5 Hole for Refrigerant Piping Knockout Hole 6 Hole for Conduit Tube 32.5 Knockout Hole Mark Name Remarks Condensate Drain Piping (for B Side) Ø25 O.D. 7 Connection Knockout Hole 8 Liquid Line 6.35 Flare Nut 9 Gas Line 15.8 Flare Nut 10 Hole for Suspension Bolt 12 Removable 11 Hole for Suspension Bolt 12 bracket can be attached to this position

3 DIMENSIONAL DATA 7 3.1.6. CEILING TYPE MODELS: RPC-2.5/3.0FSG2Ei Service Space Fixing Bracket Piping Connection Arrangement Mark Name Remarks 1 Air Discharge 2 Air Inlet 3 Hole for Refrigerant Piping 4 Condensate Drain Piping Connection Knockout Hole for Top Side. Refrigerant Piping Arrangement (for A Side) Ø25 Outer Diameter. 5 Hole for Refrigerant Piping Knockout Hole Mark Name Remarks 6 Hole for Conduit Tube 32.5 Knockout Hole 7 Condensate Drain Piping Connection (for B Side) Ø25 O.D. Knockout Hole 8 Liquid Line 9.53 Flare Nut 9 Gas Line 15.88 Flare Nut 10 Hole for Suspension Bolt 12 Removable 11 Hole for Suspension Bolt 12 bracket can be attached to this position

3 8 DIMENSIONAL DATA 3.1.7. CEILING TYPE MODELS: RPC-4.0FSG2Ei Service Space Fixing Bracket Piping Connection Arrangement Mark Name Remarks 1 Air Discharge 2 Air Inlet 3 Hole for Refrigerant Piping 4 Condensate Drain Piping Connection Knockout Hole for Top Side. Refrigerant Piping Arrangement (for A Side) Ø25 Outer.Diameter. 5 Hole for Refrigerant Piping Knockout Hole Mark Name Remarks 6 Hole for Conduit Tube 32.5 Knockout Hole 7 Condensate Drain Piping Connection (for B Side) Ø25 O.D. Knockout Hole 8 Liquid Line 9.53 Flare Nut 9 Gas Line 19.05 Flare Nut 10 Hole for Suspension Bolt 12 Removable 11 Hole for Suspension Bolt 12 bracket can be attached to this position

3 DIMENSIONAL DATA 9 3.1.8. CEILING TYPE MODELS: RPC-5.0FSG2Ei Service Space Fixing Bracket Piping Connection Arrangement Mark Name Remarks 1 Air Discharge 2 Air Inlet 3 Hole for Refrigerant Piping Knockout Hole for Top Side. Refrigerant Piping Arrangement 4 Condensate Drain Piping Connection (for A Side) Ø25 Outer.Diameter. 5 Hole for Refrigerant Piping Knockout Hole

3 10 DIMENSIONAL DATA 3.1.9. IN -THE-CEILING TYPE MODELS: RPI-1.5FSG2Ei (Rear) Service Space (Front) Mark Name Remarks 1 Supply Air Connection 2 Air Intake 3 Refrigerant Gas Line Ø12.7 Copper Tube Flare Connection (Ø35 Hole) 4 Refrigerant Liquid Line Ø6.35 Cooper Tube Flare Connection (Ø30 Hole) 5 Condensate Drain Ø32 Outer Diameter 6 Connection Hole for Power Supply 2-Ø20 7 Suspension Bracket 8 Electrical Box

3 DIMENSIONAL DATA 11 3.1.10. IN-THE-CEILING TYPE MODELS: RPI-2.0~3.0FSG2Ei Service Space Øa Øb Model / Pipe Sizes (mm) (mm) RPI-2.0FSG2Ei 15.88 6.35 RPI-2.5FSG2Ei 15.88 9.53 RPI-3.0FSG2Ei 19.05 9.53 Mark Name Remarks 1 Air Discharge 2 Air Inlet 3 Gas Line Øa Flare Nut 4 Liquid Line Øb Flare Nut 5 Condensate Drain Ø32 Outer Diameter. 6 Service Space Door 7 Electrical Box 8 Wiring Connection 9 Suspension Brackets

3 12 DIMENSIONAL DATA 3.1.11. IN-THE-CEILING TYPE MODELS: RPI-4.0/5.0-FSG2Ei Service Space Mark Name Remarks 1 Air Discharge 2 Air Intake 3 Refrigerant Gas Line Ø19.05 Copper Tube Flare Connection (Ø35 Hole) 4 Refrigerant Liquid Line Ø9.53 Cooper Tube Flare Connection (Ø30 Hole) 5 Condensate Drain Ø32 Outer DIameter 6 Connection Hole for Power Supply 2-Ø20 7 Electrical Box 8 Wiring Connection 9 Suspension Brackets

3 DIMENSIONAL DATA 13 3.1.12. WAY TYPE MODELS: RPK-1.5/2.0FSG2M Wiring and Piping Wiring and Piping Wiring and Piping View from A Service Space Mark Name Remarks 1 Air Inlet 2 Air Outlet 3 Refrigerant Gas Line Piping Connection: with Ø 12.7 mm Flare Nut (RPK-1.0/1.5FSGM) with Ø 15.88 mm Flare Nut (RPK-2.0/2.3FSGM) 4 Refrigerant Liquid Line Piping Connection with Ø6.35 mm Flare Nut 5 Drain Pipe Ø26 Outer Diameter 6 Receiver Part 7 Knockout Hole 8 Hole to be made on the wall 65 x 115 mm 9 Hole to be made on the wall Ø 65 mm 10 Flange Part for inserting Suspension Bracket

3 14 DIMENSIONAL DATA 3.1.13. FLOOR TYPE MODELS: RPF-1.5~2.5FSG2Ei View from Upper Side View from Front Side B For Bolt B B A 2-12, 15x18 A A Location of Fixing Holes on Floor for Wood Screws (4-M5) Units(mm) Model / Dimension A B RPF-1.5FSG2Ei 1170 857 RPF-2.0FSG2Ei 1420 1107 RPF-2.5FSG2Ei 1420 1107 Location of Fixing Holes on Floor for Bolts (2-M8) Service Access Location of Fixing Holes on Wall ceiling Units(mm) Model / Diameter Ø c Ø d RPF-1.5FSG2Ei 12.7 6.35 RPF-2.0FSG2Ei 15.88 6.35 RPF-2.5FSG2Ei 15.88 9.53 Wall Wall Mark Name Remarks 1 Air Inlet 2 Air Outlet 3 4 5 Refrigerant Gas Line Refrigerant Liquid Line Condensate Drain Hose Piping Connection with Flare Nut Ø c Piping Connection with Flare Nut Ø d Ø18.5 Outer Diameter Mark Name Remarks 6 Drain Pan 7 Fixing Hole on Wall 4-Ø14 mm(rear) 8 Adjusting Screw For Installation 9 Fixing Hole on Floor 4-Ø7 mm for Wood Screw 10 Fixing Hole on Floor 11 Opening for wiring Rear side 12 Space for Piping Connection On Floor

3 DIMENSIONAL DATA 15 3.1.14. FLOOR TYPE MODELS: RPFI-1.5~2.5FSG2EI View from upper side View from front side Location of Fixing Holes on Floor for Wood Screws (4-M5) Units(mm) Model / Dimension A B C D E F G RPFI-1.5FSG2Ei 973 831 54.5 857 137 RPFI-2.0FSG2Ei RPFI-2.5FSG2Ei 1223 1081 11 1107 50 139 620 Units(mm) Model / Diameter Ø h Ø i RPFI-1.5FSG2Ei 12.7 6.35 RPFI-2.0FSG2Ei 15.88 6.35 RPFI-2.5FSG2Ei 15.88 9.53 Mark Name Remarks 1 Air Inlet 2 Air Outlet 3 Refrigerant Gas Line 4 5 Refrigerant Liquid Line Condensate Drain Hose 6 Air Filter Piping Connection with Flare Nut Ø h Piping Connection with Flare Nut Ø i Ø18.5 Outer Diameter Mark Name Remarks 7 Fan 8 Fan Motor 9 Fixing Hole on Wall 4-Ø14 mm (Rear) 10 Adjusting Screw For Installation 11 Fixing Hole on Floor 4-Ø7 mm for Wood Screw 12 Fixing Hole on Floor 13 Connection Flange

3 16 DIMENSIONAL DATA 3.2. OUTDOOR UNITS 3.2.1. MODEL: RAS-3/4HVRG Units(mm) Model / Pipe Size c d RAS-3HVRG 15.88 9.53 RAS-4HVRG 19.05 9.53 Units(mm) Model / Distance a b RAS-3HVRG 57 268 RAS-4HVRG 70 261 View from B View from A Service Space Mark Name Remarks 1 Hole for Power Supply Wiring connection Ø26.5 Knockout Hole 2 Hole for Control Line Wiring connection Ø26.5 Knockout Hole 3 Hole for Refrigerant Piping Knockout Hole 4 5 Gas Line Refrigerant Piping Connection Liquid Line Refrigerant Piping Connection 6 Earth Terminal M5 Screw 7 Hole for Condensate Drain Piping Flare Connection for Øc Pipe Flare Connection for Ød Pipe 4 Ø24 8 Hole for Condensate Drain Ø26 9 Service Cover 10 4 Holes for Fixing the unit to the wall (Both Sides) M5 Tapping Screw NOTE: There are stop valves in the cabinet In the case that dimension of 110 marked with ** is provided, it is possible to perform piping work from the bottom without interference such as foundation, etc. The dimension marked with * indicates the mounting pitch dimension for anchor bolts

3 DIMENSIONAL DATA 17 3.2.2. MODELS: RAS-5HVRG View from A View from B Service Space Mark Name Remarks 1 Hole for Power Supply Wiring connection Ø26.5 Knockout Hole 2 Hole for Control Line Wiring connection Ø26.5 Knockout Hole 3 Hole for Refrigerant Piping Knockout Hole 4 5 Gas Line Refrigerant Piping Connection Liquid Line Refrigerant Piping Connection Flare Connection for Ø19.05 Pipe Flare Connection for Ø9.53 Pipe 6 Earth Terminal M5 Screw 7 Hole for Condensate Drain Piping 4 Ø24 8 Hole for Condensate Drain Ø26 9 Service Cover 10 4 Holes for Fixing the unit to the wall (Both Sides) M5 Tapping Screw NOTE: There are stop valves in the cabinet In the case that dimension of 110 marked with ** isa provided, it is possible to perform piping work from the bottom without interference such as foundation, etc. The dimension marked with * indicates the mounting pitch dimension for anchor bolts

CAPACITIES AND SELECTION DATA 4/1 4 CAPACITIES AND SELECTION DATA CONTENTS 4 CAPACITIES AND SELECTION DATA 1 4.1. System Selection Procedure 2 4.1.1. Selection Unit Features 2 4.1.2. Selection example for cooling load 2 4.1.3. Selection example for HEATING load 2 4.2. Capacity Characteristic Curves of Outdoor Units 3 4.3. Correction Factor According to Piping Length 5 4.4. Sensible Heat Factor (SHF) 7 4.5. Correction Factor For Defrosting Operation 7 4.6. Operation Space 8 4.6.1. RCI 4-Way Cassette Type 8 4.6.2. RCD 2-Way Cassette Type 8 4.6.3. RPC Ceiling Type 9 4.6.4. RPI In-the-Ceiling Type 9 4.6.5. RPK Wall Type 9 4.6.6. RPF Floor Type 9 4.6.7. RPFI Floor Concealed Type 9 4.6.8. Outdoor Unit 10 4.7. Fan Performance 11 4.8. Temperature Distribution Diagrams 12 4.8.1. RCI 4-way Cassette Type 12 4.8.2. RCD 2-way Cassette Type 14 4.8.3. RPC-Ceiling Type 16 4.9. Sound Data 17 4.9.1. RCI - 4- Way Cassette Type 17 RCD - 2-Way Cassette Type 18 4.9.3. RPC - Ceiling Type 20 4.9.4. RPI - In-the-Ceiling Type 21 RPK - Wall Type 23 4.9.6. RPF - Floor Type 23 4.9.7. RPFI - Floor Concealed Type 24 4.9.8. RAS - Outdoor Units HVRG 25

4/2 CAPACITIES AND SELECTION DATA 4.1. SYSTEM SELECTION PROCEDURE The following system procedure is giving a sample regarding unit selection system, indicating how to use all parameters showed in this chapter. 4.1.1. SELECTION UNIT FEATURES Considering the building distribution, the possible indoor unit position and the available air flow distribution, select the unit features that is giving the best efficiency and comfort to each room. Decide the Outdoor Unit position getting easy service maintenance and easy refrigerant pipe installation. Use the information showed in the following subchapters: For Operation Space possibilities: Subchapter 4.10 Operation Space. For Air Flow distribution: Subchapter 4.8 For Noise Characteristics: Subchapter 4.11 Sound Data For Outdoor Unit position: Subchapter 4.2.8 Outdoor Unit Piping length and lift range: Chapter 13 If duct type unit is selected, the fan performance for duct calculation should be considered, as Subchapter 4.9 shows. The units are designed with three possible static pressure ranges in order to adapt it to all installation necessities. 4.1.2. SELECTION EXAMPLE FOR COOLING LOAD The following example is giving the method for combined the RCI-5.0 FSG2Ei and RAS-5HVRG. Calculate the total cooling load, according to the design conditions. Given conditions: - Total cooling Load: 12.0 Kw - Sensible Heat Load: 8.0 Kw - Outdoor Air Inlet Dry Bulb Temperature: 30ºC - Indoor Air Inlet Dry Bulb Temperature 27ºC - Indoor Air Inlet Wet Bulb Temperature 20ºC - Pipng Lenght: 30 m - Height Difference: 5 m - Power Source: 50 Hz Step 1: Select Unit Capacity Performance Take the chart for SHVRG Cooling, firstly position the Dry Bulb Temperature of 19ºC (WB) on the Cooling Curve. Move this point vertically until is crossed the cooling curve of 30ºC dry Bulb Temperature. On your left is the Maximum Cooling Capacity. For sensible heat factor go to Subchapter 4.7with (Hi) speed. The result for RCI 5.0 FSG2Ei is 0.73. Model RCI-5.0FSG2Ei SHF HI Me Lo 0.73 0.69 0.68 SHC: Sensible Heat Capacity SHC: TCxSHF TC=Total Cooling Capacity SHF= Factor for Sensible Heat Capacity The result of the calculs is the next: Required Cooling Capacity: 12.0 Kw (CC) Maximum Cooling Capacity: 14.7 Kw (F) Piping Correction Factor: 0.905 (T.C) Actual Maximum Cooling Capacity: 14.7x0.905=13.3Kw (SHF) Factor for Sensible Heat Capacity: 0.73 (SHC): Sensible Heat Capacity=13.3x0.73=9.7 Kw 4.1.3. SELECTION EXAMPLE FOR HEATING LOAD Calculate the total Heating Load according to the design conditions. Given conditions: - Total heating Load: 14.0 Kw - Outdoor Air Inlet Wet Bulb Temperature: 5ºC - Indoor Air Inlet Dry Bulb Temperature 21ºC - Pipng Lenght: 30 m - Height Difference: 5 m - Power Source: 50 Hz Step 1: Select Unit Capacity Performance Take the chart for SHVRG Heating, firstly position Bulb Temperature of 21ºC (WB) on the heating curve and move this point vertically, until is crossed the heating curve of 0ºC Wet Bulb Temperature. On your left is the maximum heating capacity. Required Heating Capacity: 14.0 Kw (HC) Maximum Heating Capacity = 16.2 Kw (F) Piping Correction Factor = 0.982 (TC) Actual Maximum Cooling Capacity = 16.2 x 0.982 = 15.9 Kw

CAPACITIES AND SELECTION DATA 4/3 4.2. CAPACITY CHARACTERISTIC CURVES OF OUTDOOR UNITS The following charts show the characteristics of outdoor unit capacity which corresponds with total horsepower of combined indoor unit, on standard condition with refrigerant piping of horizontal and 5m at length. See the examples of the actual combinations. COOLING CAPACITY CURVE Cooling Characteristic Curve of RAS-3HVRG CORRECTING CURVE Correctiong Curve of RAS-3HVRG Cooling Capacity Capacity Correcting Factor Air Inlet Temp. (WB) Indoor Uniit Air Flow Cooling Characteristic Curve of RAS-4HVRG Correctiong Curve of RAS-4HVRG Cooling Capacity Capacity Correcting Factor Air Inlet Temp. (WB) Indoor Uniit Air Flow Cooling Characteristic Curve of RAS-5HVRG Correctiong Curve of RAS-5HVRG Cooling Capacity Capacity Correcting Factor Air Inlet Temp. (WB) Indoor Uniit Air Flow

4/4 CAPACITIES AND SELECTION DATA HEATING CAPACITY CURVE Heating Characteristic Curve of RAS-3HVRG CORRECTING CURVE Correctiong Curve of RAS-3HVRG Heating Capacity Capacity Correcting Factor Air Inlet Temp. (WB) Indoor Uniit Air Flow Heating Characteristic Curve of RAS-4HVRG Correctiong Curve of RAS-4HVRG Heating Capacity Capacity Correcting Factor Air Inlet Temp. (WB) Indoor Uniit Air Flow Heating Characteristic Curve of RAS-5HVRG Correctiong Curve of RAS-5HVRG Heating Capacity Capacity Correcting Factor Air Inlet Temp. (WB) Indoor Uniit Air Flow

CAPACITIES AND SELECTION DATA 4/5 4.3. CORRECTION FACTOR ACCORDING TO PIPING LENGTH Correction Factor is based on the equivalent piping length in meters (EL) and the vertical distance between Indoor and Outdoor Unit in meters (H). Outdoor Unit in sun roof H: Vertical Distance between Indoor Unit and Outdoor Unit in Meter (m). H L (case of twin, : the longest) H L NOTE: H>0: Position of Outdoor Unit is higher than Position of Indoor Unit (m). H0: Position of Outdoor Unit is lower than Position of Indoor Unit (m). Indoor Unit(s) in floor EL: Equivalent Total Distance between Indoor Unit and Outdoor Unit in Meter (Equivalent one-way Piping Length L (m)). -H L (case of twin: the longest) -H Outdoor Unit in basement L NOTE: One 90 elbow is equivalent to 0.5m. One 180 bend is equivalent to 1.5m. One distributor branch is the equivalent to 0,5 m For twin connection: L= the longest distance. For cooling capacity The cooling capacity should be corrected according the following formula: TCA= TC x F TCA: Actual Corrected Cooling Capacity (kw). TC: Cooling Capacity in the Cooling Capacity Table (kw). F: Correction Factor based on the Equivalent Piping Length (in %). RAS-3HVRG For Heating Capacity The heating capacity should be corrected according to the following formula: THA= TH x F THA: TH: Actual Corrected Heating Capacity (kcal/h) Heating Capacity in the Performance table (kcal/h) F: Correction Factor Based on the equivalent Piping Length (in %). RAS 4 HVRG Cooling RAS-5HVRG

4/6 CAPACITIES AND SELECTION DATA RAS-3HVRG RAS-4HVRG Heating RAS-5HVRG

CAPACITIES AND SELECTION DATA 4/7 4.4. SENSIBLE HEAT FACTOR (SHF) The sensible heat factor of indoor units at each fan speed (Hi, Me, Lo) based on the JIS Standard B8616, is given in the below. Indoor Unit Model SHF Hi Me Lo RCI-1.5FSG2Ei RCI-2.0FSG2Ei RCI-2.5FSG2Ei RCI-3.0FSG2Ei RCI-4.0FSG2Ei RCI-5.0FSG2Ei 0.77 0.78 0.72 0.72 0.73 0.73 0.75 0.76 0.70 0.70 0.71 0.69 0.73 0.75 0.68 0.68 0.69 0.68 RCD-1.5FSG2 RCD-2.0FSG2 RCD-2.5FSG2 RCD-3.0FSG2 RCD-4.0FSG2 RCD-5.0FSG2 0.73 0.75 0.74 0.74 0.73 0.69 0.69 0.67 0.67 0.67 0.67 0.67 0.66 0.65 0.65 0.65 0.65 0.65 RPC-2.0FSG2Ei RPC-2.5FSG2Ei RPC-3.0FSG2Ei RPC-4.0FSG2Ei RPC-5.0FSG2Ei 0.72 0.72 0.72 0.72 0.72 0.70 0.70 0.70 0.70 0.70 0.67 0.67 0.67 0.67 0.67 RPI-1.5FSG2Ei RPI-2.0FSG2Ei RPI-2.5FSG2Ei RPI-3.0FSG2Ei RPI-4.0FSG2Ei RPI-5.0FSG2Ei 0.73 0.74 0.70 0.70 0.72 0.71 0.69 0.70 0.68 0.68 0.72 0.71 0.65 0.67 0.66 0.66 0.62 0.62 RPk-1.5FSG2M RPk-2.0FSG2M 0.73 0.72 0.72 0.72 0.70 0.70 RPF-1.5FSG2Ei RPF-2.0FSG2Ei RPF-2.5FSG2Ei 0.73 0.73 0.73 0.69 0.69 0.69 0.65 0.65 0.65 RPFI-1.5FSG2Ei RPFI-2.0FSG2Ei RPFI-2.5FSG2Ei 0.73 0.73 0.73 0.69 0.69 0.69 0.65 0.65 0.65 4.5. CORRECTION FACTOR FOR DEFROSTING OPERATION The heating capacity in the preceding paragraph, excludes the condition of the frost or the defrosting operation period. In consideration of the frost or the defrosting operation, the heating capacity is corrected by the equation below. Corrected Heating Capacity = Correction Factor x Heating Capacity Outdoor Inlet Air Temp. (ºC DB) (Humidity=85% RH) -7-5 -3 0 3 5 7 Correction Factor 0.938 0.913 0.851 0.814 0.839 0.876 1.0 NOTE: The correction factor is not valid for special condition like a snowfall or a operation in a transitional period.

4/8 CAPACITIES AND SELECTION DATA 4.6. OPERATION SPACE 4.6.1. RCI 4-WAY CASSETTE TYPE 4.6.2. RCD 2-WAY CASSETTE TYPE Models: RCI-1.5~5.0FSG2Ei Models: RCD-1.5~5.0FSG2 Separated Installation Closed Installation Clearance 10~20mm Service Access Panel A Unit Height in False Ceiling (see table) Piping Connection Service Access Panel Service Access Panel Indoor Unit RCI-1.5 RCI-2.0 RCI-2.5 RCI-3.0 RCI-4.0 RCI-5.0 Unit height A (mm) 298 348 Piping Connection Piping Connection Service Space Min. 500 Min. 100 Distance from Wall Side Min. 100 Min. 500 Indoor Unit 298 >308 Min. 1000 Service Access Door Distance from Wall Side Service Access Door Piping Connection Air Panel (Option) Unit Height in False Ceiling Space around Indoor Unit (mm) Service Space

CAPACITIES AND SELECTION DATA 4/9 4.6.3. RPC CEILING TYPE 4.6.5. RPK WALL TYPE Models: RPC-2.0~5.0FSG2Ei Models: RPK-1.5~2.0FSG2M Single installation Wall Min. 500 Min.8 Min.400 Double installation Indoor Unit (Hole for Piping) To Outdoor Unit Min.40 Min.300 Min.300 Operation and Installation Space (Hole for Piping on the Wall) 4.6.4. RPI IN-THE-CEILING TYPE 4.6.6. RPF FLOOR TYPE Models: RPF-1.5~2.5FSG2Ei Models: RPI-1.5FSG2Ei RPI-2.0~5.0FSG2Ei Ceiling RPI-1.5FSG2Ei Wall Wall Wall RPI-2~5.0FSG2Ei 4.6.7. RPFI FLOOR CONCEALED TYPE Models: RPFI-1.5~2.5FSG2Ei Ceiling Short Flexible Duct Upward Air Outlet Wall 640 Operation and Maintenance Space Models A B RPI-1.5 969 1005 RPI-2.0~3.0 1113 1163 RPI-4.0~5.0 1503 1553 Service Space for electrical Box Piping Space

4/10 CAPACITIES AND SELECTION DATA Provide a space so that air can flow smoothly 4.6.8. OUTDOOR UNIT Ceiling Front Air Outlet Service Space for Electrical Box Piping Space Top view Side view - Service Access Panel Provide a service access door or panel as shown below. Unit (Inside) A Service Access Panel Floor B Service Access Panel (Space around Indoor Unit) Model Size A B RPFI-1.5 1380 RPFI-2.0 620 RPFI-2.5 1634

CAPACITIES AND SELECTION DATA 4/11 4.7. FAN PERFORMANCE RPI-1.5 FSG2Ei RPI-2.0 FSG2Ei External Static Pressure (mm Aq) External Static Pressure (mm Aq) External Static Pressure (mm Aq) External Static Pressure (mm Aq) External Static Pressure (mm Aq) External Static Pressure (mm Aq) Air flow (m³/min) RPI-2.5 FSG2Ei Air flow (m³/min) RPI-3.0 FSG2Ei Air flow (m³/min) RPI-4.0 FSG2Ei Air flow (m³/min) RPI-5.0 FSG2Ei Air flow (m³/min) Air flow (m³/min) Rated Point Fan Speed Hi Med Low Static Pressure HSP 1 2 3 MSP 1 2 3 LSP 1 2 3 HSP: High Static Pressure MSP: Medium Static Pressure LSP: Low Static Pressure

4/12 CAPACITIES AND SELECTION DATA 4.8. TEMPERATURE DISTRIBUTION DIAGRAMS 4.8.1. RCI 4-WAY CASSETTE TYPE Vertical Temperature distribution Cooling (Indoor Temperature: 27 C DB / 19 C WB Heating (Indoor Temperature: 20 C DB) Horitzontal Temperature distribution (Height: 1.2m) Cooling (Indoor Temperature: 27 C DB / 19 C WB) Heating (Indoor Temperature: 20 C DB) Model: RCI-1.5FSG2Ei Air-Throw-Distance: 2.5m (When Air Velocity is: 0.3m/s) Model: RCI-2.0FSG2Ei Air-Throw-Distance: 2.8m (When Air Velocity is: 0.3m/s) Model: RCI-2.5 FSG2Ei Air-Throw-Distance: 3.0m (When Air Velocity is: 0.3m/s)

CAPACITIES AND SELECTION DATA 4/13 Vertical Temperature distribution Cooling (Indoor Temperature: 27 C DB / 19 C WB Heating (Indoor Temperature: 20 C DB) Horitzontal Temperature distribution (Height: 1.2m) Cooling (Indoor Temperature: 27 C DB / 19 C WB) Heating (Indoor Temperature: 20 C DB) Model: RCI-3.0FSG2Ei Air-Throw-Distance: 3.1m (When Air Velocity is: 0.3m/s) Model: RCI-4.0 FSG2Ei Air-Throw-Distance: 3.3m (When Air Velocity is: 0.3m/s) Model: RCI-5.0 FSG2Ei Air-Throw-Distance: 3.3m (When Air Velocity is: 0.3m/s) NOTE: The Air is almost symmetrically discharged. These figures show the distribution when no obstruction exists.

4/14 CAPACITIES AND SELECTION DATA 4.8.2. RCD 2-WAY CASSETTE TYPE Vertical Temperature distribution Cooling (Indoor Temperature: 27 C DB / 19 C WB Heating (Indoor Temperature: 20 C DB) Horitzontal Temperature distribution (Height: 1.2m) Cooling (Indoor Temperature: 27 C DB / 19 C WB) Heating (Indoor Temperature: 20 C DB) Model: RCD-1.5FSG2 Air-Throw-Distance: 2.8m (When Air Velocity is: 0.3m/s) Model: RCD-2.0FSG2 Air-Throw-Distance: 3.0m (When Air Velocity is: 0.3m/s) Model: RCD-2.5FSG2 Air-Throw-Distance: 3.0m (When Air Velocity is: 0.3m/s) NOTE: The Air is almost symmetrically discharged. These figures show the distribution when no obstruction exists.

CAPACITIES AND SELECTION DATA 4/15 Vertical Temperature distribution Cooling (Indoor Temperature: 27 C DB / 19 C WB) Heating (Indoor Temperature: 20 C DB) Horitzontal Temperature distribution (Height: 1.2m) Cooling (Indoor Temperature: 27 C DB / 19 C WB) Heating (Indoor Temperature: 20 C DB) Model: RCD-3.0FSG2 Air-Throw-Distance: 3.1m (When Air Velocity is: 0.3m/s) Model: RCD-4.0FSG2 Air-Throw-Distance: 3.3m (When Air Velocity is: 0.3m/s) Model: RCD-5.0FSG2 Air-Throw-Distance: 3.3m (When Air Velocity is: 0.3m/s) NOTE: The Air is almost symmetrically discharged. These figures show the distribution when no obstruction exists.

4/16 CAPACITIES AND SELECTION DATA 4.8.3. RPC-CEILING TYPE Cooling (Indoor Temperature: 27 C DB / 19 C WB) Vertical Temperature distribution Heating (Indoor Temperature: 20 C DB) Model: RPC-2.0/2.5FSG2Ei Air-Throw-Distance: 4.9m (When Air Velocity is: 0.5m/s Model: RPC-3/4FSG2Ei Air-Throw-Distance: 6.9m (When Air Velocity is: 0.3m/s Model: RPC-5FSG2Ei Air-Throw-Distance: 7.5m (When Air Velocity is: 0.3m/s NOTE: The air is almost symmetrically discharged. These figures show the distribution when no obstruction exists.

CAPACITIES AND SELECTION DATA 4/17 4.9. SOUND DATA 4.9.1. RCI - 4- WAY CASSETTE TYPE Model: RCI-1.5FSG2Ei Power supply: 220V 50 Hz Model: RCI-2.0FSG2Ei Power supply: 220V 50 Hz Measurement point: 1.5 Meter Beneath the Unit Measurement point: 1.5 Meter Beneath the Unit Noise Criteria Curve Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) Frequency (Cycle per second) Model: RCI-2.5FSG2Ei Power supply: 220V 50 Hz Model: RCI-3.0FSG2Ei Power supply: 220V 50 Hz Measurement point: 1.5 Meter Beneath the Unit Measurement point: 1.5 Meter Beneath the Unit Noise Criteria Curve Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) Frequency (Cycle per second)

4/18 CAPACITIES AND SELECTION DATA RCI - 4- Way Cassette Type (cont.) Model: RCI-4.0FSG2Ei Power supply: 220V 50 Hz Model: RCI-5.0FSG2Ei Power supply: 220V 50 Hz Measurement point: 1.5 Meter Beneath the Unit Measurement point: 1.5 Meter Beneath the Unit Noise Criteria Curve Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) Frequency (Cycle per second) 4.9.2. RCD - 2-WAY CASSETTE TYPE Model: RCD-1.5FSG2 Power supply: 220V 50 Hz Model: RCD-2.0FSG2 Power supply: 220V 50 Hz Measurement point: 1.5 Meter Beneath the Unit Measurement point: 1.5 Meter Beneath the Unit Noise Criteria Curve Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) Frequency (Cycle per second)

CAPACITIES AND SELECTION DATA 4/19 RCD - 2- Way Cassette Type (cont.) Model: RCD-2.5FSG2 Power supply: 220V 50 Hz Model: RCD-3.0FSG2 Power supply: 220V 50 Hz Measurement point: 1.5 Meter Beneath the Unit Measurement point: 1.5 Meter Beneath the Unit Noise Criteria Curve Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) Frequency (Cycle per second) Model: RCD-4.0FSG2 Power supply: 220V 50 Hz Model: RCD-5.0FSG2 Power supply: 220V 50 Hz Measurement point: 1.5 Meter Beneath the Unit Measurement point: 1.5 Meter Beneath the Unit Noise Criteria Curve Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) Frequency (Cycle per second)

4/20 CAPACITIES AND SELECTION DATA 4.9.3. RPC - CEILING TYPE Model: RPC-2.0FSG2Ei Power supply: 220V 50 Hz Model: RPC-2.5FSG2Ei Power supply: 220V 50 Hz Measurement point: 1Meter Beneath the Unit 1 Meter from Discharge Grille Noise Criteria Curve Measurement point: 1Meter Beneath the Unit 1 Meter from Discharge Grille Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) Frequency (Cycle per second) Model: RPC-3.0FSG2Ei Power supply: 220V 50 Hz Model: RPC-4.0FSG2Ei Power supply: 220V 50 Hz Measurement point: 1Meter Beneath the Unit 1 Meter from Discharge Grille Noise Criteria Curve Measurement point: 1Meter Beneath the Unit 1 Meter from Discharge Grille Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) Frequency (Cycle per second)

CAPACITIES AND SELECTION DATA 4/21 RPC - Ceiling Type (cont.) Model: RPC-5.0FSG2Ei Measurement point: Power supply: 220V 50 Hz 1Meter Beneath the Unit 1 Meter from Discharge Grille Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) 4.9.4. RPI - IN-THE-CEILING TYPE Model: RPI-1.5FSG2Ei Power supply: 220V 50 Hz Model: RPI-2.0FSG2Ei Power supply: 220V 50 Hz Measurement point: 1 Meter Beneath the Unit 1 Meter from Unit Side Surface Noise Criteria Curve Measurement point: 1 Meter Beneath the Unit 1 Meter from Unit Side Surface Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) Frequency (Cycle per second)

4/22 CAPACITIES AND SELECTION DATA Model: RPI-2.5FSG2Ei Power supply: 220V 50 Hz Model: RPI-3.0FSG2Ei Power supply: 220V 50 Hz Measurement point: 1 Meter Beneath the Unit 1 Meter from Unit Side Surface Noise Criteria Curve Measurement point: 1 Meter Beneath the Unit 1 Meter from Unit Side Surface Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) Frequency (Cycle per second) Octave Sound Pressure (db: Overall C Scale)Octave Sound Pressure (db O ll C S l ) Model: RPI-4.0FSG2Ei Power supply: 220V 50 Hz Model: RPI-5.0FSG2Ei Power supply: 220V 50 Hz Measurement point: Approximate threshold of Hearing for Continuous Noise 1 Meter Beneath the Unit 1 Meter from Unit Side Surface Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Measurement point: Approximate threshold of Hearing for Continuous Noise 1 Meter Beneath the Unit 1 Meter from Unit Side Surface Noise Criteria Curve Frequency (Cycle per second) Frequency (Cycle per second)

CAPACITIES AND SELECTION DATA 4/23 4.9.5. RPK - WALL TYPE Model: RPK-1.5 FSG2M Power supply: 220V 50 Hz Model: RPK-2.0FSG2M Power supply: 220V 50 Hz Measurement point: 1.5 Meter Beneath the Unit 1 Meter from Discharge Grille Noise Criteria Curve Measurement point: 1Meter Beneath the Unit 1 Meter from Discharge Grille Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) Frequency (Cycle per second) 4.9.6. RPF - FLOOR TYPE Model: RPF-1.5FSG2Ei Power supply: 220V 50 Hz Model: RPF-2.0FSG2Ei Power supply: 220V 50 Hz Measurement point: 1.5 Meter from the Unit 1.5 Meter from floor level Noise Criteria Curve Measurement point: 1.5 Meter from the Unit 1.5 Meter from floor level Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) Frequency (Cycle per second)

4/24 CAPACITIES AND SELECTION DATA Model: RPF-2.5FSG2Ei Measurement point: Power supply: 220V 50 Hz 1.5 Meter from the Unit 1.5 Meter from floor level Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) 4.9.7. RPFI - FLOOR CONCEALED TYPE Model: RPFI-1.5FSG2Ei Power supply: 220V 50 Hz Model: RPFI-2.0FSG2Ei Power supply: 220V 50 Hz Measurement point: 1.5 Meter from the Unit 1.5 Meter from floor level Noise Criteria Curve Measurement point: 1.5 Meter from the Unit 1.5 Meter from floor level Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Frequency (Cycle per second) Frequency (Cycle per second)

CAPACITIES AND SELECTION DATA 4/25 Model: RPFI-2.5FSG2Ei Measurement point: Power supply: 220V 50 Hz 1.5 Meter from the Unit 1.5 Meter from floor level Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Frequency (Cycle per second) 4.9.8. RAS - OUTDOOR UNITS HVRG Model: RAS-3HVRG Power supply: 220V 50 Hz Model: RAS-4HVRG Power supply: 220V 50 Hz Measurement point: 1Meter Beneath the Unit Service Cover surface 1.5 Meter from floor level Noise Criteria Curve Measurement point: 1Meter Beneath the Unit Service Cover surface 1.5 Meter from floor level Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Heating Hi Cooling Hi Night Shift Octave Sound Pressure (db: Overall C Scale) Heating Hi Cooling Hi Night Shift Approximate threshold of Hearing for Continuous Noise Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second) Frequency (Cycle per second)

4/26 CAPACITIES AND SELECTION DATA Model: RAS-5HVRG Measurement point: Power supply: 220V 50 Hz 1Meter Beneath the Unit Service Cover surface 1.5 Meter from floor level Noise Criteria Curve Octave Sound Pressure (db: Overall C Scale) Night Shift Cooling Hi Heating Hi Approximate threshold of Hearing for Continuous Noise Frequency (Cycle per second)

WORKING RANGE 5/1 5 WORKING RANGE CONTENTS 5 WORKING RANGE 1 5.1. Power supply 2 5.1.1. Temperature Range 2 5.1.2. Piping Provision 2

5/2 WORKING RANGE 5.1. POWER SUPPLY Working Voltage Voltage Imbalance Starting Voltage 90% to 110% of the Rated Voltage Within a 3% Deviation from Each Voltage at the Main Terminal of Outdoor Unit Higher than 85% of the Rated Voltage 5.1.1. TEMPERATURE RANGE The temperature range is given in the following table. Indoor Temperature Cooling Operation Heating Operation Minimum 15 CWB 15 C DB Maximum 23 C WB 27 C DB Minimum 5 C DB 15 C WB Outdoor temperature Maximum 43 C DB 15 C WB DB: Dry Bulb; WB: Wet Bulb Cooling Operation Heating Operation Outdoor Air Dry Bulb Temperature ( C DB) Outdoor Air Wet Bulb Temperature ( C WB) Indoor Suction Air Wet Bulb Temperature ( C WB) Indoor Air Cry Bulb Temperature ( C DB) 5.1.2. PIPING PROVISION Outdoor Unit Unit Power Maximum Piping Length LO - I Actual Lenght (m) 50 Maximum Piping Lift HO-I: Outdoor Unit is higher than Indoor Unit 30 Indoor Unit is higher than Outdoor Unit 20 Indoor Unit

ELECTRICAL DATA 6/1 6 ELECTRICAL DATA CONTENTS 6 ELECTRICAL DATA 1 6.1. Indoor Unit 2 6.2. Outdoor Unit 3

6/2 ELECTRICAL DATA 6.1. INDOOR UNIT Model Unit Main Power Applicable Voltage Indoor Fan Motor VOL PH HZ Maximum Minimum PH RNC IPT RCI-1.5FSG2Ei 0.3 0.06 RCI-2.0FSG2Ei 0.42 0.08 4-Way Cassette Type RCI-2.5FSG2Ei 0.52 0.11 220/240 1 50 264 198 1 RCI-3.0FSG2Ei 0.8 0.14 RCI-4.0FSG2Ei 0.8 0.16 RCI-5.0FSG2Ei 0.8 0.17 RCD-1.5FSG2 0.4 0.08 RCD-2.0FSG2 0.4 0.08 2-Way Cassette Type RCD-2.5FSG2 0.5 0.11 220/240 1 50 264 198 1 RCD-3.0FSG2 0.6 0.13 RCD-4.0FSG2 0.6 0.14 RCD-5.0FSG2 0.9 0.20 RPC-2.0FSG2Ei 0.5 0.13 RPC-2.5FSG2Ei 0.6 0.13 Ceiling Type RPC-3.0FSG2Ei 220/240 1 50 264 198 1 0.8 0.17 RPC-4.0FSG2Ei 0.8 0.18 RPC-5.0FSG2Ei 1.1 0.23 RPK-1.5FSG2M Wall Type RPK-2.0FSG2M 220/240 1 50 264 198 1 0.3 0.03 RPI-1.5FSG2Ei 0.7 0.10 RPI-2.0FSG2Ei 0.93 0.21 In-the-Ceiling Type RPI-2.5FSG2Ei 1.15 0.24 220/240 1 50 264 198 1 RPI-3.0FSG2Ei 1.17 0.26 RPI-4.0FSG2Ei 1.62 0.38 RPI-5.0FSG2Ei 1.62 0.40 RPF-1.5FSG2Ei 0.4 0.10 Floor Type RPF-2.0FSG2Ei 220/240 1 50 264 198 1 0.43 0.09 RPF-2.5FSG2Ei 0.43 0.09 RPFI-1.5FSG2Ei 0.4 0.10 Floor Concealed Type RPFI-2.0FSG2Ei 220/240 1 50 264 198 1 0.43 0.09 RPFI-2.5FSG2Ei 0.43 0.09

ELECTRICAL DATA 6/3 6.2. OUTDOOR UNIT Model Unit Main Power Applicable Voltage VOL PH HZ Maximum Minimum PH STC RAS-3HVRG 264 215 3 7 RAS-4HVRG 220/240 1 50 264 215 3 7 RAS-5HVRG 264 215 3 15 VOL: Rated Unit Power Supply Voltage (V) RNC:Running Current (A) HZ: Frequency (Hz) PH: Phase () STC: Starting Current (A) IPT: Input (kw) Compressor Motor Cooling Operation Heating Operation RNC IPT RNC IPT 9.5/ 8.7 15.5/ 14.2 16.2/ 14.8 2.04 3.34 3.49 8.9/ 8.2 15.1/ 13.8 15.6/ 14.3 Maximum Current RNC 1.93 22 3.27 23 3.37 31 NOTE: - The above performance data is based on 7.5m equivalent piping length and 0m piping lift. - This data is based on the same conditions as the nominal heating and cooling capacities. - The compressor marked with * is started by an inverter, resulting in extremely low starting current

ELECTRICAL WIRING DIAGRAMS 7/1 7 ELECTRICAL WIRING DIAGRAMS CONTENTS 7 ELECTRICAL WIRING DIAGRAMS 1 7.1 Electrical Wiring Diagram (for models: RCI-1.5~5.0FSG2Ei) 2 7.2. Electrical Wiring Diagram (for models: RCD-1.5~3.0FSG2) 3 7.3 Electrical Wiring Diagram (for models: RCD-4.0~5.0FSG2) 4 7.4 Electrical Wiring Diagram (for models: RPC-2.0~5.0FSG2Ei) 5 7.5. Electrical Wiring Diagram (for models: RPI-1.5FSG2Ei) 6 7.6. Electrical Wiring Diagram (for models: RPI-2.0~5.0FSG2Ei) 7 7.7. Electrical Wiring Diagram (for models: RPK-1.5~2.0FSG2M) 8 7.8. Electrical Wiring Diagram (for models: RPF(I)-1.5/2.5FSG2Ei) 8 7.9. Electrical Wiring Diagram (for models: RAS-3/4HVRG) 9 7.10. Electrical Wiring Diagram (for models: RAS-5HVRG) 11

7/2 ELECTRICAL WIRING DIAGRAMS 7.1. ELECTRICAL WIRING DIAGRAM (FOR MODELS: RCI-1.5~5.0FSG2Ei) INLET OUTLET LIQUID GAS In case of RCI-1.5 ~2.0 FSG2E Connector for 240V Connector for 220V For Communication Indoor-Outdoor. For RCS PC-P1HE INPUT OUTPUT1 OUTPUT2 Electrical Control Box for Indoor Unit Main Switch For RCS PC-2H2 Main Switch CASE OF RCI-2.5~5.0FSG2E P-G23/46WA(H)2E1 Panels Only PCB Sockets Location Wiring Work at Air Panel Side (Louver Sensor) (Tape Control) (Power Source) NOTE: All the field wiring equipment must comply with local codes HIGH VOLTAGE Mark CA CN 21~27 DSW3 DSW5 DSW6 DSW7 EFR1 EFS1 EHW(H2) FS ITI MD MIF MS MV LED1~3 PCB RCS RSW Name Capacitor for Indoor Fan Connector Unit Capacity Code Refrigerant Cycle No. Unit Code Fuse Recover/ Remote Controller Selector Fuse Fuse Electric Heater for Condensate Air Protection Float Switch Internal Thermostat for Indoor Fan Motor Motor for Drain Discharge Mechanism Motor for Indoor Fan Motor for Automatic Swing Louver Micro-Computer Control Expansion Valve Alarm Code Printed Circuit Board Remote Control Switch Indoor Unit No. Settings Mark Name SA Surge Absorber SSW Slide Switch TB Terminal Board TF Transformer THM1 Inlet Air Thermistor THM2 Outlet Air Thermistor THM3 Liquid Pipe Thermistor THM5 Gas Pipe Thermistor YH2 Relay for HI Fan Motor Tap YH1 Relay for HI Fan Motor Tap YME Relay for ME Fan Motor Tap YLO Relay for LO Fan Motor Tap YSLO Relay for SLO Fan Motor Tap Y52H Relay for Electric Heatrer Terminals X Close-end Connector X Field Supplied Field Witinrg - - - Earth Wiring Factory Wiring

ELECTRICAL WIRING DIAGRAMS 7/3 7.2. ELECTRICAL WIRING DIAGRAM (FOR MODELS: RCD-1.5~3.0FSG2) Connector for 240V Field Connection Conector for 220 INLET FREEZE OUTLET GAS Field Connection Operating Line DC5V Electrical Control Box for Indoor Unit Printed Circuit Board Service Connector for Drain Discharge Mechanism NOTE: All the field wiring equipment must comply with local codes Mark CA CN 21~27 DSW3 DSW5 DSW6 DSW7 EFR1 EFS1 EF1 EF2 FS ITI MD MIF MS MV NF LED1~3 Name Capacitor for Indoor Fan Connector Unit Capacity Code Refrigerant Cycle No. Unit Code Fuse Recover/ Remote Controller Selector Fuse Fuse Fuse Fuse Float Switch Internal Thermostat for Indoor Fan Motor Motor for Drain Discharge Mechanism Motor for Indoor Fan Motor for Automatic Swing Louver Micro-Computer Control Expansion Valve Noise Filter Alarm Code Mark Name PCB1 Printed Circuit Board PCB2 Printed Circuit Board PCB3 Printed Circuit Board RSW Indoor Unit Nº Settings PWM Pulse width Modulation TB1 Terminal Board 1 TB2 Terminal Board 1 TF Transformer THM1 Inlet Air Thermistor THM2 Outlet Air Thermistor THM3 Liquid Pipe Thermistor THM5 Gas Pipe Thermistor YH2 Relay on PCB Terminals X Field Supplied Field Witinrg - - - Earth Wiring Factory Wiring

7/4 ELECTRICAL WIRING DIAGRAMS 7.3. ELECTRICAL WIRING DIAGRAM (FOR MODELS: RCD-4.0~5.0FSG2) Connector for 240V Conector for 220 Field Connection INLET OUTLET FREEZE PROTECTION GAS Alarm Field Connection Operating Line DC5V Electrical Control Box for Indoor Unit Printed Circuit Board Service Connector for Drain Discharge Mechanism NOTE: All the field wiring equipment must comply with local codes Mark CA CN 21~27 DSW3 DSW5 DSW6 DSW7 EFR1 EFS1 EF1 EF2 FS ITI MD MIF MS MV NF LED1~3 Name Capacitor for Indoor Fan Connector Unit Capacity Code Refrigerant Cycle No. Unit Code Fuse Recover/ Remote Controller Selector Fuse Fuse Fuse Fuse Float Switch Internal Thermostat for Indoor Fan Motor Motor for Drain Discharge Mechanism Motor for Indoor Fan Motor for Automatic Swing Louver Micro-Computer Control Expansion Valve Noise Filter Alarm Code Mark Name PCB1 Printed Circuit Board PCB2 Printed Circuit Board PCB3 Printed Circuit Board RSW Indoor Unit Nº Settings PWM Pulse width Modulation TB1 Terminal Board 1 TB2 Terminal Board 1 TF Transformer THM1 Inlet Air Thermistor THM2 Outlet Air Thermistor THM3 Liquid Pipe Thermistor THM5 Gas Pipe Thermistor YH2 Relay on PCB Terminals X Field Supplied Field Witinrg - - - Earth Wiring Factory Wiring

ELECTRICAL WIRING DIAGRAMS 7/5 7.4. ELECTRICAL WIRING DIAGRAM (FOR MODELS: RPC-2.0~5. 5FSG2Ei) Inlet Outlet Liquid Gas Connector for 240V Conector for 220 For Communication Indoor-Outdoor. For RCS PC-P1H Main Switch for RCS PC-2H2 Louver Sensor OLD NEW Main Switch PCB Sockets location Electrical Control Box of Indoor Unit (for 2.0, 2.5 and 3.0 HP) INPUT OUTPUT1 OUTPUT2 Electrical Control Box of Indoor Unit (for 4.0 and 5.0 HP) NOTE: All the field wiring equipment must comply with local codes Mark CA CN 21~26 DSW3 DSW5 DSW6 DSW7 EFR1 EFS1 EHW(H2) FS ITI MD MIF MS MV LED1~3 PCB RCS RSW SA Name Capacitor for Indoor Fan Connector Unit Capacity Code Refrigerant Cycle No. Unit Code Fuse Recover/ Remote Controller Selector Fuse Fuse Electric Heater for Condensate Air Protection Float Switch Internal Thermostat for Indoor Fan Motor Motor for Drain Discharge Mechanism Motor for Indoor Fan Motor for Automatic Swing Louver Micro-Computer Control Expansion Valve Alarm Code Printed Circuit Board Remote Control Switch Indoor Unit No. Settings Surge Absorber Mark Name SSW Slide Switch TB Terminal Board TF Transformer TH Thermistor for Electric Heater THM1 Inlet Air Thermistor THM2 Outlet Air Thermistor THM3 Liquid Pipe Thermistor THM5 Gas Pipe Thermistor YH2 Relay for HI Fan Motor Tap YH1 Relay for HI Fan Motor Tap YME Relay for ME Fan Motor Tap YLO Relay for LO Fan Motor Tap YSLO Relay for SLO Fan Motor Tap Y52H Relay for Electric Heatrer Terminals X Close-end Connector X Field Supplied Field Wiring - - - Earth Wiring Factory Wiring

7/6 ELECTRICAL WIRING DIAGRAMS 7.5. ELECTRICAL WIRING DIAGRAM (FOR MODELS: RPI-1.5FSG2Ei) Connector for 240V Conector for 220 Inlet Outlet Liquid Gas For Communication Indoor-Outdoor. For RCS PC-P1HE Main Switch Louver Sensor for RCS PC-2H2 Main Switch INPUT OUTPUT1 OUTPUT2 PCB Sockets location Electrical Control Box of Indoor Unit Tape Control Power Supply High Mark CA CN 21~27 DSW3 DSW5 DSW6 DSW7 EFR1 EFS1 FS ITI MD MIF MV LED1~3 PCB RCS RSW SSW TB Name Capacitor for Indoor Fan Connector Unit Capacity Code Refrigerant Cycle No. Unit Code Fuse Recover/ Remote Controller Selector Fuse Fuse Float Switch Internal Thermostat for Indoor Fan Motor Motor for Drain Discharge Mechanism Motor for Indoor Fan Micro-Computer Control Expansion Valve Alarm Code Printed Circuit Board Remote Control Switch Indoor Unit No. Settings Slide Switch Terminal Board Mark Name TF Transformer TH Thermistor for Electric Heater THM1 Inlet Air Thermistor THM2 Outlet Air Thermistor THM3 Liquid Pipe Thermistor THM5 Gas Pipe Thermistor YH2 Relay for HI Fan Motor Tap YH1 Relay for HI Fan Motor Tap YME Relay for ME Fan Motor Tap YLO Relay for LO Fan Motor Tap YSLO Relay for SLO Fan Motor Tap Y52H Relay for Electric Heatrer Terminals X Close-end Connector X Field Supplied Field Wiring - - - Earth Wiring Factory Wiring

ELECTRICAL WIRING DIAGRAMS 7/7 7.6. ELECTRICAL WIRING DIAGRAM (FOR MODELS: RPI-2.0~5.0FSG2Ei) Inlet Outlet Liquid Gas Connector for 240V Conector for 220 For Communication Indoor-Outdoor. For RCS PC-P1HE INPUT OUTPUT1 OUTPUT2 Main Switch for RCS PC-2H2 Main Switch Electrical Box Connector Electrical Control Box of Indoor Unit Fan Motor Connector HIGH STATIC PRESSURE ADAPTER (Factory Supplied) Standard Static Pressure Fan Motor Connector LOW STATIC PRESSURE ADAPTER (Factory Supplied) PCB Sockets location Electrical Box Connector Louver Sensor Tape Control Power Supply NOTE: All the field wiring equipment must comply with local codes Mark CA CN 20~24 DSW3 DSW5 DSW6 DSW7 EFR1 EFS1 FS ITI MD MIF MV LED1~3 PCB RCS RSW SSW TB Name Capacitor for Indoor Fan Connector Unit Capacity Code Refrigerant Cycle No. Unit Code Fuse Recover/ Remote Controller Selector Fuse Fuse Float Switch Internal Thermostat for Indoor Fan Motor Motor for Drain Discharge Mechanism Motor for Indoor Fan Micro-Computer Control Expansion Valve Alarm Code Printed Circuit Board Remote Control Switch Indoor Unit No. Settings Slide Switch Terminal Board Mark Name TF Transformer TH Thermistor for Electric Heater THM1 Inlet Air Thermistor THM2 Outlet Air Thermistor THM3 Liquid Pipe Thermistor THM5 Gas Pipe Thermistor YH2 Relay for HI Fan Motor Tap YH1 Relay for HI Fan Motor Tap YME Relay for ME Fan Motor Tap YLO Relay for LO Fan Motor Tap YSLO Relay for SLO Fan Motor Tap Y52H Relay for Electric Heatrer Terminals X Close-end Connector X Field Supplied Field Wiring - - - Earth Wiring Factory Wiring

7/8 ELECTRICAL WIRING DIAGRAMS 7.7. ELECTRICAL WIRING DIAGRAM (FOR MODELS: RPK-1.5/2.0FSG2M) Connector for 240V Conector for 220 Inlet Outlet Liquid Gas Field Connection Remote Control Switch Operating Line DC5V Wiress Receiver Part Printed Circuit Board Electrical Control Box of Indoor Unit NOTE: All the field wiring equipment must comply with local codes Mark CA CN 3~13,303 CN 27~35, CN 25,201 DSW2 DSW3 DSW5 DSW7 EF1 EF2 EF4 EF5 MIF MS1 MS2 MV PCB1(M) Name Capacitor Connector on PCB1(M) Connector Connector on PCB1(M) and PCB2 Factory fixed settings Unit Capacity Code Refrigerant Cycle No. Fuse Recover/ Remote Controller Selector Fuse Fuse Fuse Fuse Motor for Indoor Fan Motor for Automatic Swing Louver Motor for Automatic Swing Louver Micro-Computer Control Expansion Valve Printed Circuit Board Mark Name PCB1(P) Printed Circuit Board PCB2 Printed Circuit Board PSW301 Switch for emergency operation RSW Indoor Unit Nº Settings TB Terminal Board TF Transformer THM1 Inlet Air Thermistor THM2 Oulet Air Thermistor THM3 Liquid Pipe Thermistor THM4 Gas Pipe Thermistor THM1~5 Thermistor for Electric Heater Terminals X Field Supplied Field Wiring - - - Earth Wiring Factory Wiring

ELECTRICAL WIRING DIAGRAMS 7/9 7.8. ELECTRICAL WIRING DIAGRAM (FOR MODELS: RPF(I)-1.5/2.5FSG2EI) Connector for 240V Conector for 220 Inlet Outlet Liquid Gas INPUT OUTPUT1 OUTPUT2 Main Switch 3 wire (RCS) PC-2H2 3 wire (RCS) PC-2H2 Main Switch Printed Circuit Board Louver Sensor HIGH VOLTAGE NOTE: All the field wiring equipment must comply with local codes Mark Name Remarks CA Capacitor for Indoor Fan CN 1~n Connectors DSW3 Unit Capacity Code On PCB DSW5 Refrigerant Cycle No. On PCB DSW6 Unit Models Code On PCB DSW7 Fuse Recover/ Remote Controller Selector On PCB RSW Indoor Unit no. Setting On PCB EFR1 Fuse On PCB EFS1 Fuse On PCB ITI Internal Thermostst for Indoor Fan Motor LD1~3 Alarm Code On PCB MIF Motor for Indoor Fan MV Expansion valve On PCB PCB Printed Circuit Board RCS Remote Control Switch Optional Part RSW Indoor Unit No. Settings On PCB Mark Name Remarks SSW Slide Switch TB Terminal Board THM1 Inlet Air Thermistor On PCB THM2 Outlet Air Thermistor On PCB THM3 Liquid Pipe Thermistor On PCB THM5 Gas Pipe Thermistor On PCB TF Transformer YME Relay for ME Fan Motor Tap DC Coil YLO Relay for LO Fan Motor Tap DC Coil YSLO Relay for SLO Fan Motor Tap DC Coil YH1 Relay for Hi Fan Motor Tap DC Coil Terminals X Field Connection Field Wiring - - - Earth Wiring Factory Wiring

7/10 ELECTRICAL WIRING DIAGRAMS 7.9. ELECTRICAL WIRING DIAGRAM (FOR MODELS: RAS-3/4HVRG) Connector for 220V Connector for 240V (ambient) (Evaporator pipe) (Discharge Gas) THM7 THM8 THM9 Electrical Control Box Electrical Control Box PLANE A PLANE B PLANE C Mark Name CA Capacitor CB Capacitor CMC Contactor for Compressor Motor DCL Reactor DSW1 Test Run DSW2 Optional Function Setting DSW3 Unit Capacity Code DSW4 Refrigerant cycle Nº DSW5 Transmission setting EF1 Fuse ISPM Inverter System Power Module MC Motor for Compressor MOF1 Motor for Outdoor Fan MV Micro-Computer Control Expansion Valve NF 1~6 Noise Filter Mark PCB1 PSC PSH PSW 1 PSW 2 PSW 3 RS RVR TB1 TF1 THM 7 THM 8 THM 9 ZNR Name Capacitor Pressure Switch for Control High Pressure Switch for Protection Push Switch on PCB1 Push Switch on PCB2 Push Switch on PCB3 Resistor for Starting Reversing Valve Relay Terminal Board Transformer Ambient Air Thermistor Evaporator Pipe Thermistor Dsicharge Gas Thermistor Surge absorber

ELECTRICAL WIRING DIAGRAMS 7/11 7.10. ELECTRICAL WIRING DIAGRAM (FOR MODELS: RAS-5HVRG) Connector for 220V (ambient) (Evaporator pipe) (Discharge Gas) Connector for 240V THM7 THM8 THM9 Electrical Control Box Electrical Control Box PLANE A PLANE B PLANE C Mark Name ACT Active Module C 1~3 Capacitor CB Capacitor CMC Contactor for Compressor Motor DCL 1,2 Reactor DSW1 Test Run DSW2 Optional Function Setting DSW3 Unit Capacity Code DSW4 Refrigerant cycle Nº DSW5 Transmission setting EF1 Fuse ISPM Inverter System Power Module MC Motor for Compressor MOF 1 Motor for Outdoor Fan 1 MOF 2 Motor for Outdoor Fan 2 MV Micro-Computer Control Expansion Valve Mark NF 1~6 PCB1 PSC PSH PSW 1 PSW2 PSW 3 RS RVR TB1 TF1 THM 7 THM 8 THM9 ZNR Name Noise Filter Printed Circuit Board Pressure Switch for Control High Pressure Switch for Protection Push Switch on PCB1 Push Switch on PCB2 Push Switch on PCB3 Resistor for Starting Reversing Valve Relay Terminal Board Transformer Ambient Air Thermistor Evaporator Pipe Thermistor Dsicharge Gas Thermistor Surge absorver

REFRIGERANT CYCLE 8/1 8 REFRIGERANT CYCLE CONTENTS 8 REFRIGERANT CYCLE 1 8.1. Refrigeration Cycle Single type 2 8.2. Refrigeration Cycle Twin type 3

8/2 REFRIGERANT CYCLE 8.1. REFRIGERATION CYCLE SINGLE TYPE Indoor Unit RCI-3FSG2Ei Outdoor Unit RAS-3HVRG Refrigerant Flow Direction (Cooling) Refrigerant Flow Direction (Heating) Field Refrigerant Piping Flare Connection Brazing Connection Mark Part Name 1 Compressor 2 Heat Exchanger 3 Receiver 4 Micro-Computer Control Expansion Valve 5 Reversing Valve 6 Strainer 3/8 7 Distributor 8 Check Joint 9 High Pressure Switch for Protection 10 Stop Valve for Gas Line 11 Stop Valve for Liquid Line 12 Pressure Switch for Control 13 Strainer 5/8 14 Heat Exchanger 15 Distributor 16 Strainer 17 Micro-Computer Control Expansion Valve 18 Sub-Cooler

REFRIGERANT CYCLE 8/3 8.2. REFRIGERATION CYCLE TWIN TYPE Outdoor Unit RAS-5HVRG Indoor Unit RCI-2.5FSG2Ei Indoor Unit RCI-2.5FSG2Ei Refrigerant Flow Direction (Cooling) Refrigerant Flow Direction (Heating) Field Refrigerant Piping Flare Connection Brazing Connection Mark Part Name 1 Compressor 2 Heat Exchanger 3 Receiver 4 Micro-Computer Control Expansion Valve 5 Reversing Valve 6 Strainer 3/8 7 Distributor 8 Check Joint 9 High Pressure Switch for Protection 10 Stop Valve for Gas Line 11 Stop Valve for Liquid Line 12 Pressure Switch for Control 13 Strainer 5/8 14 Heat Exchanger 15 Distributor 16 Strainer 17 Micro-Computer Control Expansion Valve 18 Sub-Cooler 19 Branch Pipe (TE-56)

CONTROL SYSTEM 9/1 9 CONTROL SYSTEM CONTENTS 9 CONTROL SYSTEM 1 9.1. Device Control System 2 9.2. Outdoor Unit PCB 3 9.2.1. Printed Circuit Board Layout 3 9.2.2. Dip Switch Settings 3 9.3. Protection and Safety Control 4 9.4. Safety and Control Device Setting 4 9.5. Standard Operation Sequence 5 9.6. Standard Control Functions 12 9.6.1. Control for Auto Cool/Heat Operation 12 9.6.2. Freeze Protection control during Cooling or Dry Operation 13 9.6.3. Outdoor Fan control during Cooling Operation 14 9.6.4. Prevention control for High Pressure Increase 15 9.6.5. Prevention control for Excessivelly High Discharge Gas Temperature 15

9/2 CONTROL SYSTEM 9.1. DEVICE CONTROL SYSTEM Control Subject Inverter Frequency of Compressor Opening Degree Expansion Valve of Outdoor Unit Opening Degree Expansion Valve of Indoor Unit Outdoor Fan I.U.: Tc: Cap: Temp.: Indoor Unit Condensing Temperature Capacity Temperature Cooling Operation Difference Temp. of Air Inlet and Setting Temp. Fully Open For Controlling Temp. of Discharge Gas Super-Heat: TdSH TdSH=20K Tc Temp. <33ºC and Liquid Pipe Temp. of I.U. < 0ºC => 1 Step Down Purpose Heating Operation Difference Temp. of Air Inlet and Setting Temp. For Controlling Temp. of Discharge Gas Super-Heat: TdSH TdSH=20K Difference Temp. of Td and Liquid Pipe of Indoor Unit Heat Exchanger Td > 103ºC and Evo > 400pls => 1 Step Down Te < -2ºC and Ambient Temp. > 4ºC => 1 Step Up Figure below shows the outline of the control system. Wireless Remote Control Switch Remote Control MCU Transmission circuit Thermistor for Inlet Air Thermistor of Discharge Air Thermistor of Gas Pipe Thermistor of Liquid Pipe Thermistor of Ambient Temperature Discharge Gas Thermistor Thermistor for Heating Evaporation Temperature PSC PSH Multiple Signals Single Signals Operation Signals 220/240V Power Source Wireless Transmission Circuit Remote Control Switch A+D Conversion Circuit A+D Conversion Circuit Protection Circuit Remote Control MCU Transmission circuit Indoor Unit MCU Transmission circuit Transmission circuit Outdoor Unit MCU Inverter Control MCU Inverter Power Section Electrical Control Expansion Valve Drive Circuit Relay Drive Circuit AC- Choppping Control Circuit Protection Circuit Electrical Control Expansion Valve Drive Circuit Relay Drive Circuit CT Inverter Control for Fan MCU MC MV MS MIF MV CMC RVR MOF1.2 Indoor Unit To Transmission Circuit of the next Indoor Unit or the next Outdoor Unit (H-Link) Outdoor Unit Symbol Name Symbol Name MC Motor (for Compressor) CMC Magnetic Contactor MIF Motor (for Indoor Blower) RVR 4-Way Valve MOF1,2 Motor (for Outdoor Blower) PSC Pressure Switch MS Motor (for Auto-Louver) CT Diverter MV Electronic Expansion Valve

CONTROL SYSTEM 9/3 9.2. OUTDOOR UNIT PCB 9.2.1. PRINTED CIRCUIT BOARD LAYOUT CN14 CN5A CN15 PCN13 PCN9 PCN8 THM7 DSW3 DSW4 1 2 3 THM8 THM9 DSW1 1 DSW2 2 SW1 CN6 CN7 3 PCN6 PCN5 PCN1 CN8 DSW5 PCN2 CN11 9.2.2. DIP SWITCH SETTINGS TURN OFF all power sources before setting. Without turning OFF, the switches do not work and the contents of the setting are invalid. Mark of indicates the position of dip switches. The absence of mark indicates unaffected. Set the dip switches according to the following Information. DSW1: For Test Run Setting before shipment Test Run (Cooling) Test Run (Heating) Compressor Forced Stop DSW2: Optional Function Setting Setting before shipment Energy saving operation (ON: Cancel; OFF: Set) Night-Shift Mode (Low Sound) (OFF: No set; ON: Set) Cancellation of Outdoor Ambient Temp. limit (OFF: No set; ON: Set Cancellation of Fan Stop Operation during Defrost (OFF: No set; ON: Set) ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 DSW3: Capacity (Unit type) Model RAS-3HVRG RAS-4HVRG RAS-5HVRG Setting Position ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 DSW4: Refrigerant Cycle No. Setting In the same refrigerant cycle, set the same refrigerant cycle No. for the outdoor unit and the indoor units as shown below. Setting position Setting position Setting position Setting position Unit No. 0 Unit No. 1 Unit No. 2 Unit No. 3 ON ON ON ON 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 Unit No. 4 Unit No. 5 Unit No. 6 Unit No. 7 ON ON ON ON 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 Unit No. 8 Unit No. 9 Unit No. 10 Unit No. 11 ON ON ON ON 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 Unit No. 12 Unit No. 13 Unit No. 14 Unit No. 15 ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 Set each outdoor unit from No. 0, 1, 2, etc. at site. (factory set: No. 0)

9/4 CONTROL SYSTEM DWS5: Transmission Setting of End Terminal Resistance Before shipment, No. 1 pin of DSW5 is set at the ON side. In the case that the outdoor units quantity in the same H-link is 2 or more, set No. 1 pin of DSW5 at the OFF side from the 2nd unit. If only one outdoor unit is used, no setting is required. Before shipment Cancellation ON 1 2 ON 1 2 9.3. PROTECTION AND SAFETY CONTROL Compressor Protection The compressor is protected by the following devices and their combinations: High Pressure Switch Fan Motor Protection This switch cuts out the operation of the compressor when the discharge pressure exceeds the setting. Internal Thermostat-Embedded in the fan motor winding, this internal thermostat cuts out the operation of the fan motor when the fan motor winding temperature exceeds the setting. 9.4. SAFETY AND CONTROL DEVICE SETTING Model RAS-3HVRG RAS-4HVRG RAS-5HVRG For Compressor Pressure Switches Automatic Reset, Non-Adjustable (each one for each compressor) High Cut-Out -0.05-0.05-0.05 MPa 3.3 3.3 3.3-0.15-0.15-0.15 Cut-In MPa 2.7 0.15 2.7 0.15 2.7 0.15 For Control Fuse 1, 220/240V, 50Hz A 40 40 50 CCP Timer Non-Adjustable Setting Time min. 3 3 3 For Condenser Fan Motor Internal Thermostat Automatic Reset, Non-Adjustable (each one for each motor) Cut-Out o C 120 5 120 5 120 5 For Control Circuit Fuse Capacity on PCB A 5 5 5

CONTROL SYSTEM 9/5 9.5. STANDARD OPERATION SEQUENCE Cooling Operation I.U.: Indoor Unit O.U.: Outdoor Unit Power to MC Power to Y52C in O.U.: ON Power to CMC1 : ON

9/6 CONTROL SYSTEM Cooling Operation (cont.) I.U.: Indoor Unit O.U.: Outdoor Unit

CONTROL SYSTEM 9/7 Heating Operation I.U.: Indoor Unit O.U.: Outdoor Unit After 10 sec. After 3~48 sec. Request Frequency from I.U. < 90Hz < 90Hz After 3~48 sec.

9/8 CONTROL SYSTEM Heating Operation (cont.) I.U.: Indoor Unit O.U.: Outdoor Unit

CONTROL SYSTEM 9/9 Dry Operation I.U.: Indoor Unit O.U.: Outdoor Unit Start of Transmitting between O.U. and I.U. Start of Transmitting between I.U. and Remote Control Switch Power to YH2 in I.U. :ON Power to YH2 in I.U. :OFF MD :ONfor unit with Drain Pump MIF :10 Power to MIF :OFF Outdoor Fan M.O.F. Operation Power to MC : OFF Power to MIF :OFF

9/10 CONTROL SYSTEM Dry Operation (cont.) I.U.: Indoor Unit O.U.: Outdoor Unit Stop of Inverter

CONTROL SYSTEM 9/11 Defrosting Operation I.U.: Indoor Unit O.U.: Outdoor Unit Heating Operation Power to RVR : OFF DEFROST Indication No Defrosting Start Condition Yes Power to Y52H : ON Power to 52H : ON EH Operation Power to MIF : OFF Power to Y52F : OFF Power to MOF : OFF Defrosting Power to RVR : OFF DEFROST Disappears Defrosting Stop Condition No Yes Requested Frequency from I.U. < 90Hz Power to Y52C : OFF > 90Hz Power to CMC : OFF EH : Operation EH : Stop I.U. Intake air Temp. Higher than Setting Temp. +2ºC I.U. Fan Operation: Low Lower than Setting Temp. Power to Y52C : OFF Power to CMC : OFF Power to MC : OFF Power to Y52C : ON Power to CMC : ON Power to MC : ON Operation at Slow Fan Speed < 25ºC I.U. Intake Air > 30ºC Temp. Operation at Setting Fan Speed Operation at Low Fan Speed 25ºC to 30ºC

9/12 CONTROL SYSTEM 9.6. STANDARD CONTROL FUNCTIONS 9.6.1. CONTROL FOR AUTO COOL/HEAT OPERATION

CONTROL SYSTEM 9/13 9.6.2. FREEZE PROTECTION CONTROL DURING COOLING OR DRY OPERATION Inverter Frequency = 0Hz Power to MC : OFF

9/14 CONTROL SYSTEM 9.6.3. OUTDOOR FAN CONTROL DURING COOLING OPERATION Operation 10 Sec. 100% Air Flow Volume *1 Fan Step at Start *1 Fan Step at Start Outdoor Temp. (Tao) Air Flow Ratio Tao < 0ºC 25 0ºC < Tao < 6ºC 30 6ºC < Tao < 10ºC 35 10ºC < Tao < 14ºC 40 14ºC < Tao < 18ºC 50 18ºC < Tao < 23ºC 60 23ºC < Tao < 27ºC 80 27ºC < Tao 100 Pressure Switch for Control: ON Yes No 1 Step up No Is fan operated more than 3 min.? Air Flow Ratio < 30% No Pipe Surface Temp. Of Outdoor Unit Heat Exchanger <33ºC Higher than 33ºC Less than 33ºC Higher than 0ºC Yes Liquid Pipe Surface Temp. Of Indoor Heat Exchanger < 0ºC Pipe Surface Temp. Of Outdoor Unit Heat Exchanger <43ºC Less than 43ºC Same Step Higher than 43ºC 1 Step up Yes Less than 0ºC Inverter Fin Temp. > 65ºC No 1 Step Down Pressure Switch for Control: ON Yes No Air Flow Ratio <30% Yes No Air Flow Ratio = 30% 1 Step up Same Step 1 Step up Yes Is it continuous for more than 1 min.? No No Inverter Fin Temp. > 88ºC Yes Is it continuous more than 3 min.? No Yes

CONTROL SYSTEM 9/15 9.6.4. PREVENTION CONTROL FOR HIGH PRESSURE INCREASE Prevention Control for High Pressure Increase. This function is performed to prevent the abnormal condition (alarm: 02) when the outdoor air flow is decreased by a seasonal wind against air outlet. When the CMC is ON during cooling operation, PSC is ON and Tc is higher than Tc1-4ºC, forced thermo-off operation will be performed. Tc: Outdoor Piping Temperature Tc1: Outdoor Piping Temperature when PSC is ON PSC ON: 2.95 Mpa. However, if occurs more than 6 times during operation, forced thermo-off operation will not be performed. Cause of stoppage will be 13. 9.6.5. PREVENTION CONTROL FOR EXCESSIVELLY HIGH DISCHARGE GAS TEMPERATURE ON

AVAILABLE OPTIONAL FUNCTIONS 10/1 10 AVAILABLE OPTIONAL FUNCTIONS CONTENTS 10 AVAILABLE OPTIONAL FUNCTIONS 1 10.1. Indoor Unit (except RPK) 2 10.1.1. Input and Output Setting of Indoor PCB Connector 2 10.1.2. Remote Control ON/OFF Function 4 10.1.3. Cancellation of Commands from Remote Control Switch after Forced Stoppage 5 10.1.4. Cooling or Heating Operation Mode Setting 5 10.1.5. Control by Field-Supplied Room Thermostat 6 10.1.6. Remote Temperature Sensor Control 6 10.1.7. Picking Up Signals 7 10.2. Indoor Unit (RPK only) 8 10.2.1. Remote ON/OFF operation (1/2) 8 10.2.2. Cancellation of Commands from RCS after Forced Stoppage (3). 10 10.2.3. Remote Cooling / Heating mode change over (4) 10 10.2.4. Automatic Operation when Power Supply ON (5) 11 10.2.5. Restarting Function After Power Failure (6) 11 10.2.6. Control by Field supplied Room Thermostat (7) 11 10.2.7. Picking Up Signals 11 10.3. Outdoor Units 12 10.3.1. Demand 12 10.3.2. Defrosting condition changeover 12 10.3.3. Night Shift (Low Sound) Operation 13 10.3.4. Energy Saving Operation 13 10.4. Optional Functions Available Through Remote Control Switch 13 10.4.1. Optional Functions Setting 13 10.4.2. Optional Functions of Remote Control Switch 15 10.5. Optional Functions Available through Remote Control Switch (PC-P5H) 18 10.6. Optional Functions Available through Wireless Remote Control Switch (PC-LH3A + Receiver) 19 10.6.1. Optional Functions 19 10.6.2. Optional function description 19

10/2 AVAILABLE OPTIONAL FUNCTIONS 10.1. INDOOR UNIT (EXCEPT RPK) 10.1.1. INPUT AND OUTPUT SETTING OF INDOOR PCB CONNECTOR For the external input and output signal, there are two input ports (CN3) and three output ports (CN7, CN8) prepared on the indoor unit PCB. In case of changing the setting (factory-set) perform the following procedures. Field Setting Mode Check to ensure that the unit is stopped, press the "CHECK" switch and the "RESET" switch on the remote control switch simultaneously more than 3 seconds, and the remote control switch is changed to the field setting mode. When the remote control switch is at the field setting mode, the "SERVICE" is indicated and the "01" flickers below the "SERVICE" indication. b. At the condition of the above item (a), press the "TEMP " switch or the "TEMP " switch of the remote control switch and the indoor unit for the input and output setting can be changed. NOTE: The indoor unit can be selected among the indoor units connected to the remote control switch. In case that both indications of the address and the refrigerant cycle number is "AA", all the indoor units connected to the remote control switch are selected. in this case, the individual setting for each indoor unit can not be performed. c. After selecting the indoor unit, leave the condition for 7 seconds or press the "CHECK" switch, the remote control switch is changed to the input and output setting mode. Setting Procedures a. At the input and output setting mode, the indication on the remote control switch is changed as shown below. Input and Output Setting Mode At the field setting mode as described in the above item (1), press the "TEMP " switch or the "TEMP " switch and the number flickering below the "SERVICE" indication is changed (01 <=> 02). Set the flickering number at "02", leave this condition for 7 seconds or press the "CHECK" switch, and the remote control switch is changed to the mode for input or output setting of Indoor Unit. Selection of Indoor Unit a. At the input and output setting mode, the indication on the remote control switch is changed as shown in the figure below. The indication of "02" is turned ON The address of the indoor unit which the optional function is to be set, is indicated at the segments for timer setting time indication, and the "ADDS" is indicated below. The refrigerant cycle number of the indoor unit for the input and output setting is indicated at the segments for timer setting time indication, and the "RN" is indicated below. The indication of the setting temperature is turned OFF. The allocated port for input and output signal is indicated at the segments for timer setting time indication. Refer to the indicated port and the connector of the indoor PCB for the table below. The codes of the input and output signals are indicated at the segments for setting temperature indication. Refer to the indicated code and the input and output signal for the table below. Indications and setting connectors Indication Setting Port Remarks 1-2 of CN3 on Indoor Unit PCB 2-3 of CN3 on Indoor Unit PCB 1 2 3 1 2 3 1-2 of CN7 on Indoor Unit PCB 1 X 2 3 1-3 of CN7 on Indoor Unit PCB 1 2 3 X 1-2 of CN8 on Indoor Unit PCB 1 X 2 3

AVAILABLE OPTIONAL FUNCTIONS 10/3 Indications and Input and Output Signals Indication Input Output Not set Not set Factory-Setting Input Outp ut Control by Field-Supplied room Thermostat (Cooling) Control by Field-Supplied room Thermostat (Heating) Remote Control ON/OFF Function 1 Remote Control ON/OFF Function 2 (Operation) Remote Control ON/OFF Function 2 (Stop) Connect or No. Cancellation of Commands from Remote Control Switch after Forced Stoppage Cooling or Heating operation Mode Setting Input for UP/DOWN Grille (Not Available) CN3 CN7 Pin No. of connect or Functi on #1-#2 03 Operation Signal Alarm Signal Cooling Signal Thermo-ON signal during cooling Heating Signal Thermo-ON signal during Heating Total Heat Exchanger Operation Signal Output for UP/DOWN grille (Not Available) Setting Shipping Remote control ON/OFF Function 1 #2-#3 06 Cancellation of Commands from remote Control Switch after Forced Stoppage #1-#2 01 Operation Signal #1-#3 02 Alarm Signal CN8 #1-#2 04 Thermo-ON Signal during Heating b. Press the "TIME " switch or the "TIME " switch, the indication of port at the segments for timer setting time indication is changed as shown below. Select the port for allocating the input and output signal When pressing the "TIME " switch When pressing the "TIME " switch c. Press the "CHECK" switch, and the code of the input and output signal at the segments for setting temperature indication is changed as shown below. Select the input and output signal to be allocated to the port When pressing the "CHECK" switch... Selection of Other Indoor Unit At the optional setting mode, press the "TEMP " switch or the "TEMP " switch, the condition of the remote control switch is changed so that the indoor unit can be selected for the input and output setting described in selection of Indoor Unit. Return from Input and Output Setting mode Press the "RESET" switch, the input and output setting is memorized and the mode is returned to the normal condition. Specifications on Required Components Component Auxiliary Relay (X1, X2) Changeover Switch (SS2, SS3) 3P Connector Cord Cord (Inside of Unit) Cord (Outside of Unit) Manufacturer or Specifications OMRON Mini Power Relay Model: MY1F or Equivalent Manual Type Optional Part PCC-1A (Able to Connect JST Connector XHP -3) Remarks Voltage 220V or 240V Five Cords with Connectors as one set Low Voltage 0.3mm² less than 12V 220V/240V Class 0.50.75mm² Low Voltage 0.50.75mm² less than 12V 220V/240V Class 2mm² NOTE: Make the wires CN3 as short as possible. Do not install the wires along the 230-400V power line. Separately install them at a distance of more than 30cm. (Intersecting as applicable.) If the wires are installed along the power line, put the wires in a metal tube and connect a wire to an end for grounding. The maximum wiring length is 70m. In the case that this function is used, it is recommended that safety devices such as electric leakage breaker or smoke detector, etc. be used.

10/4 AVAILABLE OPTIONAL FUNCTIONS 10.1.2. REMOTE CONTROL ON/OFF FUNCTION This function provides a control to stop and start the system from a remote place. Four methods are available by using each signal from a building management system. Remote Control ON/OFF Function 1 (level Signal Input) This is an ON/OFF function from a remote place by using level signal (or ON/OFF). The basic wiring, time chart are shown below. Function input should be set according to the item 10.1.1 (In case of "Remote Control 1"Signal Input to #1 and #2 of CN3) Remote Control ON/OFF Function 2 Operation / Stop (pulse Signal Input) This is an ON/OFF function from a remote place by using pulse signal. The basic wiring and time chart are shown below. Function input & should be set according to item 10.1.1. (In case of "ON" Signal input to #2 and #3 of CN3 and "OFF" Signal Input to #1 and #2 of CN3). Indoor Unit PCB Power Source SS3 Power Source 3P Connector Control Circuit NOTE: When the unit is started by the remote ON/OFF switch, the fan speed is subject to the mode memorized in the remote control switch Time Chart: Signal to 1 & 2 of CN3 ON OFF Press RUN/STOP Switch NOTE: The pulse width must be wider than 200 ms. Time Chart: Signal to 2 & 3 of CN3 Signal to 1 & 2 of CN3 ON OFF Control by R.C.S Unit Operation ON OFF ON OFF Time Control by R.C.S Unit Operation ON OFF Time NOTE: Picking up signal within 10 seconds after power supply is turned ON is not available due to initializing of components. NOTE: Operation priority is given to the remote ON/OFF signal or remote control switch signal which is given last. Picking up signal within 10 seconds after power supply is turned ON is not available due to initializing of components.

AVAILABLE OPTIONAL FUNCTIONS 10/5 10.1.3. CANCELLATION OF COMMANDS FROM REMOTE CONTROL SWITCH AFTER FORCED STOPPAGE By using the signal from a building management system, the air conditioners can be stopped and the individual commands from the remote control switch are canceled. The basic wiring and time chart are shown below. The required parts are shown in item 10.1.2 Function Input should be set according to item 10.1.1. (In case of "Cancellation of Commands from remote control Switch after forced stoppage function Signal input to #2 and #3 of CN3). 10.1.4. COOLING OR HEATING OPERATION MODE SETTING By utilizing this function, the cooling or heating operation mode can be changed by giving a contact signal from the outside to the unit. The operation mode is followed by the field-supplied switch or the remote control switch, which is used last. Function Input should be set according to item 10.1.1. (In case of "Cooling or Heating Operation mode Setting Change by External Input " Signal input to #1 and #2 of CN3 HEAT COOL Power Source Power Source Time Chart: Time Chart: Signal to 1 & 2 of CN3 HEAT COOL Signal to 2 & 3 of CN3 ON OFF Control by R.C.S Unit Operation ON OFF Time Control by R.C.S (Heat Control by R.C.S (Cool) Unit Operation HEAT COOL Time NOTE: Picking up signal within 10 seconds after power supply is turned ON is not available due to initializing of components. At this function, the B contact can be used by the optional setting of the remote control switch. The time chart when using the B contact is shown below. See item 10.3 Optional Function of RCS "" for more details of contacts A & B. Signal to 1 & 2 of CN3 ON OFF Control by R.C.S Unit Operation ON OFF Time NOTE: Picking up signal within 10 seconds after power supply is turned ON is not available due to initializing of components.

10/6 AVAILABLE OPTIONAL FUNCTIONS 10.1.5. CONTROL BY FIELD-SUPPLIED ROOM THERMOSTAT In the case that a field-supplied room thermostat instead of the inlet thermistor of the Indoor Unit is used, connect wires as shown below. The required parts are shown in item 10.1.1. (In case of "Room Thermostat (Cooling) function " Input to #2 and #3 of CN3 and "Room Thermostat (Heating) function " Input to #1 and #2 of CN3) Temperature Increase Thermostat 10.1.6. REMOTE TEMPERATURE SENSOR CONTROL By using an optional remote temperature sensor, the following are available: 1. The unit is controlled by the average temperature of the inlet thermistor and remote temperature sensor. 2. In the case that the discharge air temperature exceeds 60 C, the fan speed increases from "Medium" to "High" or "Low" to "Medium" PCB Remote Control Switch Indoor Unit PCB 3P Connector THM1 THM4 Remote Temperature Sensor Inlet Air Temperature Cooling Operation: Heating Operation: Component Thermostat Compressor is ON by closing terminals 2 and 3 at CN3. Compressor is OFF by opening terminals 2 and 3 at CN3. Compressor is ON by closing terminals 1 and 2 at CN3. Compressor is OFF by opening terminals 1 and 2 at CN3 Manufactured or Specifications Equivalent of YAMAKATE R7031P005, R7031Q005 NOTE: - When a field-supplied room thermostat is used, select the specified thermostat as below. - Contactor Load: DC 12V - Differential: more than 1.5 degree - Do not use a thermostat utilizing mercury. - The Remote Control switch must remain connected to the unit. When the power supply is restored, the Unit must be started by pressing the RUN button. The compressor will then operate under the control of the field supplied thermostat. All other functions are controlled by the Remote Control in the normal way. NOTE: - The remote temperature sensor can not be used together with the remote control thermistor (Refer to the item 10.3.2) - During the heating operation, "Heating Temperature Calibration" is automatically cancelled (Refer to the item 10.3.2. - In case of using this remote sensor, select the location for installing it as follows: - Where the average temperature of the room can be detected. - Where the thermistor (sensor) is not exposed to the sun light directly. - Where a heat source is not near it. - Where outdoor air do not affect the room temperature when opening and closing doors, etc.

AVAILABLE OPTIONAL FUNCTIONS 10/7 10.1.7. PICKING UP SIGNALS By using this function, the signals indicated can be picked up giving information about how the unit is working in order to activate the necessary additional devices. Required Parts for Modification Parts Name Specifications / Model Auxiliary Relay* OMRON made High Power Relay Model LY2F DC12V Connector Cable PCC-1A (3P Connector Cable) *: Do not use the relay with diode 3. Picking Up Cooling Operation Signal () This function is utilized to pick up the cooling operation signal. The contact of X1 is closed when cooling operation signal is ON despite "Thermo ON" or "Thermo OFF". Connect the wires as shown below. (In case of giving Cooling Operation Signal to 1# and 3# of CN7) 1. Picking Up Operation Signal () This function is utilized to pick up the operation signal. By this function, operation signal at a remote place can be checked, or operation at the fresh air intake fan motor can be interlocked. Connect wires as shown below. Please, note that the contactor of the auxiliary relay "X1" is closed when this operation signal is given. (In case of giving Operation Signal to 1# and 2# of CN7) 4. Picking Up Thermo-ON" Signal during Cooling Operation () This function is utilized to pick up the cooling "Thermo- ON" signal of compressor running. Connect the wires as shown below. The contact X1 is closed when "THERMOSTAT" is ON during cooling operation mode. (In case of giving "Thermo-ON" signal during Operation to 1# and 3# of CN7) 2. Picking Up Alarm Signal () This signal is utilized to pick up activation of safety devices and is normally indicated on the remote control switch. However, this function is not available under abnormal transmission conditions. Connect the wires as shown below. Please note that the contact of auxiliary relay, X1 is closed when one of the safety devices is activated. (In case of giving Operation Signal to 1# and 3# of CN7) NOTE: - Thermo-ON" indicates the one of the micro-computer control function "THERMOSTAT" is ON as a thermostat. - See the item regarding remote control switch setting for wiring and output signal.

10/8 AVAILABLE OPTIONAL FUNCTIONS 5. Picking Up Heating Operation Signal () This function is utilized to pick up the heating operation signal. The contact of X1 is closed when heating operation signal is ON despite "Thermo ON" or "Thermo OFF". Connect the wires as shown below. (In case of giving Heating Operation Signal to 1# and 3# of CN7) 6. Picking Up Thermo-ON" Signal during Heating Operation () This function is utilized to pick up the heating "Thermo- ON" signal of compressor running to control a circulator or a humidifier. Connect the wires as shown below. The contact of X1 is closed when "THERMOSTAT" is ON during heating operation mode. (In case of giving "Thermo-ON" Signal during Heating Operation to 1# and 2# of CN8) NOTE: - Thermo-ON" indicates the one of the micro-computer control function "THERMOSTAT" is ON as a thermostat. 10.2. INDOOR UNIT (RPK ONLY) The following table extends available Input & Output signals: Inputs Output s 1 2 3 4 5 6 7 8 9 Setting Option Remote Control 1 (Level Signal Input) Remote Control 2 (Pulse Signal Input) Cancellation of commands RCS Forced stoppage Remote Cooling/Heating mode Change Over Operation when Power Supply ON Restarting Function after Power Failure Control by Field Supplied Room Thermostat Picking Up Operation Signal Picking Up Alarm Signal Connector No. Pin No. CN4 2-3 CN4 1-2-3 Wirless DSW 2 ON 1 2 3 4 5 6 7 8 ON 1 2 3 4 5 6 7 8 PC-P1HE Optional Function CN4 1-2 CN4 1-2 CN3 1-2-3 ON 1 2 3 4 5 6 7 8 ON 1 2 3 4 5 6 7 8 ON 1 2 3 4 5 6 7 8 d1 d3 CN7 1-2 CN7 1-3 NOTE: When the PC-P1HE is used, power ON/OFF functions (5 & 6) are only available by Remote Control Switch configuration (d1 & d3), DSW2 is cancelled for this function. All the other functions are set by DSW2, service 2 of PC-P1HE is not available for RPK units 10.2.1. REMOTE ON/OFF OPERATION (1/2) This function provides a control to stop and start the system automatically from a remote place. Two methods are available by using each signal from a Building Management System (BMS) NOTE: Operation priority is given to the remote ON/OFF signal or remote control switch signal, which is given last. Picking up signal within 10 seconds after power supply is turned ON is not available due to initializing of components. When the unit is being controlled by the remote device, the operating mode is subject to the setting memorized in the Remote Control Switch CAUTION: Turn OFF the power source before setting the dip switches

AVAILABLE OPTIONAL FUNCTIONS 10/9 Specifications on Required Components are the following: Component Auxiliary Relay (X1, X2) Changeover Switch (SS2, SS3) 3P Connector Cord Cord (Inside of Unit) Cord (Outside of Unit) Manufacturer or Specifications OMRON Mini Power Relay Model: MY1F or Equivalent Manual Type Optional Part PCC-1A (Able to Connect JST Connector XHP -3) Remarks Voltage 220V or 240V Five Cords with Connectors as one set Low Voltage 0.3mm² less than 12V 220V/240V Class 0.50.75mm² Low Voltage 0.30.75mm² less than 12V 220V/240V Class 2mm² Remote Control 2 (Pulse Signal Input) (2) This is an ON/OFF function from a remote place by using Pulse Signal. The basic wiring and the Time Chart are shown below. Turn off the power source before setting the dipswitch as indicate bellow DSW2 ON 1 2 3 4 5 6 7 8 Wiring Diagram Example of Remote Control 2: Indoor Unit PCB NOTE: Make the wires CN4 as short as possible. Do not install the wires along the 230-400V power line. Separately install them at a distance of more than 30cm. (Intersecting as applicable.) If the wires are installed along the power line, put the wires in a metal tube and connect a wire to an end for grounding. The maximum wiring length is 70m. In the case that this function is used, it is recommended that safety devices such as electric leakage breaker or smoke detector, etc. be used. Remote Control 1 (Level Signal Input) (1) This is an ON/OFF function from a remote place by using level signal (or ON/OFF). The basic wiring and time chart are shown bellow. Wiring Diagram Example of Remote Control 1: Indoor Unit PCB SS3: Remote Control ON/OFF 3P Connector NOTE: The pulse width shall be wider than 200ms. Time Chart: Signal to 2 & 3 of CN4 (Operation) Signal to 1 & 2 of CN4 (Stop) Control by R.C.S Control Circuit Power Source Power Source Unit Operation Time 3P Connector Control Circuit NOTE: Picking up signal within 10 seconds after power supply is turned ON is not available due to initializing of components. Time Chart: Signal to 2 & 3 of CN4 ON OFF Control by R.C.S Unit Operation ON OFF Time NOTE: Picking up signal within 10 seconds after power supply is turned ON is not available due to initializing of components.

10/10 AVAILABLE OPTIONAL FUNCTIONS 10.2.2. CANCELLATION OF COMMANDS FROM RCS AFTER FORCED STOPPAGE (3). This function provides a control to stop the system and lock Remote Control Switch automatically from a remote place by using level signal. NOTE: - The previous indications and specifications on required components shown in the above subchapter are applied to this device too. - This option cannot be used with "Remote Control 1" and "Remote Cooling/Heating Mode Change Over" functions. - After switch off 1&2 of CN4, unit is maintained stopped and remote control switch is available. The basic wiring and the time chart are shown below. Turn off the power source before cut the jumper JP2 of Indoor Unit PCB 10.2.3. REMOTE COOLING / HEATING MODE CHANGE OVER (4) The operation Mode of the unit can be changed from Heating to Cooling and back by using a Remote Position. The operation mode is followed by the field supplied switch or the remote control switch, which is used last. NOTE: - This option is only available for Heat Pump models - Previous indications and specifications on required components showed in the above subchapter are applied to this device too. - This function cannot be used together with Remote Control 2 and "Cancellation of commands from RCS after forced Stoppage". Wiring Diagram Example of Remote Control 3: Indoor Unit PCB HEAT COOL Power Source JP1 JP2 3P Connector Control Circuit Indoor Unit PCB SS3: Forced Stoppage Sw. Power Source Time Chart: 3P Connector Control Circuit Signal to 1 & 2 of CN4 Heat Cool Control by R.C.S (Heat) Control by R.C.S (Cool) Operation mode of Unit Heat Cool Time Time Chart: Signal to 2 & 3 of CN4 ON OFF NOTE: Picking up signal within 10 seconds after power supply is turned ON is not available due to initializing of components. Control by R.C.S Unit Operation ON OFF Time NOTE: Picking up signal within 10 seconds after power supply is turned ON is not available due to initializing of components.

AVAILABLE OPTIONAL FUNCTIONS 10/11 10.2.4. AUTOMATIC OPERATION WHEN POWER SUPPLY ON (5) If the power supply is interrupted for short periods of time (up to 2 seconds) the Remote Control switch will retain the settings and the unit will restart when the power is restored. If Automatic Restart is required after periods of lost power supply in excess of 2 seconds, this can be done by changing the DIP switch setting as shown. Indoor Unit PCB 3P Connector ON 1 2 3 4 5 6 7 8 DSW2 Temp. increase ON 1 2 3 4 5 6 7 8 Field Supplied Room Thermostat NOTE: All other DIP switches must correspond to the factory settings for the particular Indoor Unit. The unit will start even if it was switched off prior to the power failure. 10.2.7. PICKING UP SIGNALS By using this function, the signals indicated can be picked up giving information about how the unit is working in order to activate the necessary additional devices. Required Parts for Modification 10.2.5. RESTARTING FUNCTION AFTER POWER FAILURE (6) If the power supply is interrupted for short periods of time (up 2 seconds), the Remote Control Switch will retain the settings and the unit will restart when the power is restored. If automatic restart is required after periods of lost power supply in excess of 2 seconds this can be done by changing the DIP switch settings as indicated. ON 1 2 3 4 5 6 7 8 10.2.6. CONTROL BY FIELD SUPPLIED ROOM THERMOSTAT (7) Parts Name Specifications / Model Auxiliary Relay* OMRON made High Power Relay Model LY2F DC12V Connector Cable PCC-1A (3P Connector Cable) *: Do not use the relay with diode Picking Up Operation Signal (8) This function is utilized to pick up the operation signal. By this function, operation signal at a remote place can be checked, or operation at the fresh air intake fan motor can be interlocked. When the unit is switched ON, the relay RY is energized closing contacts RYa Indoor Unit PCB When operating the unit with a field supplied room thermostat instead of the inlet thermistor of the indoor unit, connections should be made as shown. Heating: Use connection 1 & 2 (only heat pump models) Cooling: Use connection 2 & 3 3P Connector Auxiliary Relay - When setting the DIP switch DSW2, firstly switch off power source and set the DIP switch. If the DIP switch is set without turning off the power will not function. - The Remote Control switch must remain connected to the unit. When the power supply is restored, the Unit must be started by pressing the RUN button. The compressor will then operate under the control of the field supplied thermostat. All other functions are controlled by the Remote Control in the normal way. Component Thermostat Manufactured or Specifications Equivalent of YAMAKATE R7031P005, R7031Q005 Picking up Alarm Signal (9) This option is used to give remote indication of a fault on the unit in addition to the LED indication on the standard Remote Control. (RUN LED flashes 5 times/5seconds). When a fault occurs, the auxiliary relay RY is energized and remains so until the fault is cleared and the unit is reset at the standard Remote Control. Wiring details are shown below. Indoor Unit PCB NOTE: - When a field-supplied room thermostat is used, select the specified thermostat as below. Contactor Load: DC 12V Differential: more than 1.5 degree - Do not use a thermostat utilizing mercury. 3P Connector Auxiliary Relay

10/12 AVAILABLE OPTIONAL FUNCTIONS 10.3. OUTDOOR UNITS 10.3.1. DEMAND In the case that the demand input terminals on the outdoor unit printed circuit board are short-circuited, compressor is stopped. (In this case, the indoor unit(s) is put under thermo-off condition).the stoppage code No. d1-10 is given. By disconnecting the demand switch contact, restarting is available. Power Supply The specification required of Mainports is the following. Parts Specifications Remarks Auxiliary Relay (X1, X2) Changeover Switch (SS1) 3 Pin Connector Cord Cord (inside of Unit) Cord. (outside of Unit) Mini-Power Relay, MY1F (or 2F) made by OMRON 220/240V Manual Switch 220/240V PCC-1A (connected to JST connector, XARP -3) five cords with connectors as one set Low Volt. 0.3mm² lower than 24V 220/240V 0.5~0.75mm² Low Volt 0.5~0.75mm² lower than 24V 220/240V 2mm² NOTES: Make the wire to the terminals as short as possible. Do not run the wires along high voltage cable. (crossing is applicable.) If necessary to run wires along high voltage cable, insert the low voltage cable(s) into metal tube and ground it at one end. If sealed wires are used at the low voltage wire side, ground it at one end of shield wires. The maximum length should be 70m. 10.3.2. DEFROSTING CONDITION CHANGEOVER By cutting of JP4, defrosting operation conditions can be changed. Jumper Wire Outdoor Heat Exchanger Liquid Temperature ( C) (Pipe) Standard Specification (Factory Setting) With JP4 Defrosting Operation Stop Area Outdoor evaporating Temperature (ºC) PIPE Warm Climate Specification Cut JP4 Defrosting Operation Stop Area Defrosting Operation Outdoor Air temp. ( C) Defrosting Operation Starting Area Outdoor Temp (ºC) Defrosting Operation Starting Area Outdoor Unit PCB 7-Segment JP4

AVAILABLE OPTIONAL FUNCTIONS 10/13 10.3.3. NIGHT SHIFT (LOW SOUND) OPERATION The night shift (low sound) operation can be set by switching No. 3 pin of the dip switch to the ON position (only for cooling mode). 10.3.4. ENERGY SAVING OPERATION In case of customer request energy operation, set the dip switch on the Outdoor printed circuit board as shown below. Dip Switch (DSW2) Dip Switch (DSW2) Standard Specification (Factory Setting) Night Shift Mode (Low Sound) Standard Specification (Factory Setting) Energy Saving Operation ON ON ON ON 1 2 3 4 5 6 1 2 3 4 5 6 Set No. 3 at ON 1 2 3 4 5 6 1 2 3 4 5 6 Set No. 2 at OFF 10.4. OPTIONAL FUNCTIONS AVAILABLE THROUGH REMOTE CONTROL SWITCH 10.4.1. OPTIONAL FUNCTIONS SETTING The remote control switch is changed to the optional setting mode by the following procedures. Field Setting Mode Check to ensure that the unit is stopped, press the "CHECK" switch and the "RESET" switch on the remote control switch simultaneously more than 3 seconds, and the remote control switch is changed to the field setting mode. When the remote control switch is at the field setting mode, the "SERVICE" is indicated and the "01" flickers below the "SERVICE" indication. Optional Setting Mode At the field setting mode as described in the above item, press the "TEMP " switch or the "TEMP " switch and the number flickering below the "SERVICE" indication is changed (01 <=> 02). Set the flickering number at "01", leave this condition for 7 seconds or press the "CHECK" switch, and the remote control switch is changed to the optional setting mode. for timer setting time indication, and the "ADDS" is indicated below. The refrigerant cycle number of the outdoor unit for which the optional function is to be set is indicated at the segments for timer setting time indication and the "RN" is indicated below. The indication of the setting temperature is turned OFF. b. At the condition of the above item (a), press the "TEMP " switch or the "TEMP " switch of the remote control switch and the indoor unit for which the optional function is to be set, can be changed. NOTE: The indoor unit can be selected among the indoor units connected to the remote control switch. In case that both the indications of the address and the refrigerant cycle number is "AA", the settings of all the indoor units is same. c. After selecting the indoor unit, leave the condition for 7 seconds or press the "CHECK" switch, the remote control switch is changed to the optional setting mode. Changing of Optional Functions and Setting Conditions a. At the optional setting mode, the indication on the remote control switch is changed as shown below. Selection of Indoor Unit a. At the optional setting mode, the indication on the remote control switch is changed as shown in the figure below The indications of "ADDS" and "RN" are turned OFF. The item number of the optional function is indicated at the segment for the setting temperature indication. The indication of "01" is turned ON The address of the indoor unit which the optional function is to be set, is indicated at the segments The setting condition of the optional function item is indicated at the segments for timer setting time indication.

10/14 AVAILABLE OPTIONAL FUNCTIONS b. Press the "TIME " switch or the "TIME " switch, the optional function item is changed as shown below. When pressing the "TIME " switch When pressing the "TIME " switch... c. Press the "CHECK" switch, and the setting condition of the optional function is changed as shown below. Selection of other Indoor Unit At the optional setting mode, press the "TEMP " switch or the "TEMP ", the condition of the remote control switch is changed so that the Indoor Unit can be selected to set the optional function described before. Return from Optional Function Setting Mode Press the "RESET" switch, the optional function setting is memorized and the mode is returned to the normal condition When pressing the "CHECK" switch... Setting Items of Optional Functions No. Items Optional Functions 1 2 3 Removal of Heating Temperature Calibration Circulation Function at Heating Thermo-OFF Enforced 3 Minutes Minimum Operation Time of Compressor Individual Setting 4 Change of Filter Cleaning Time 5 Fixing of Operation Mode 6 Fixing of Setting Temperature 7 Fixing of Operation as Exclusive Cooling Unit 8 Automatic COOL/HEAT Operation 9 Fixing of Air Volume 10 Not prepared 11 Not prepared 12 Not prepared 13 Drain Pump in Heating 14 Hi Speed 15 16 Hi Speed at Heating Thermo-OFF Cancelling of Enforced 3 Minutes Minimum Operation Time of Compressor 17 Thermistor of Remote Control Switch 18 Not prepared Setting Condition 00 01 00 01 00 01 00 01 02 03 04 00 01 00 01 00 01 00 01 00 01 00 01 00 01 02 00 01 00 01 Not Available Available Not Available Available Not Available Available Standard 100 hours 1200 hours 2500 hours Not Indication Not Available Available Not Available Available Not Available Available Not Available Available Not Available Available Contents Not Available Available Medium Static Pressure (Factory Setting) Hi Static Pressure Low Static Pressure Not Available Available Not Available Available 00 Control by Indoor Suction Thermistor 01 Control by Thermistor of Remote Control Switch 02 Control by Average value of Indoor Suction Thermistor and Thermistor of Remote Control Switch

AVAILABLE OPTIONAL FUNCTIONS 10/15 No. Items Optional Functions Individual Setting 19 Not prepared 20 Selection of Forced Stoppage Logic 21 Not prepared Setting Condition 00 01 Contents Forced Stoppage Input A Contact Forced Stoppage Input B Contact 22 Power Supply ON/OFF 1 23 Not prepared 24 Power Supply ON/OFF 2 25 Ventilation mode 26 Increasing Supply Air Volume 27 Not prepared 28 Precooling/Preheating Period 29 Not prepared 30 Automatic Setting for OFF Timer 31 Remote Control Main-Sub Setting 00 01 Not Available Available 00 01 Not Available Available 00 Automatic Ventilation 01 Ventilation by Total Heat Exchanger 02 Bypass Ventilation (No Total Heat 00 01 00 01 02 00 01 02 ~ 23 24 00 01 Exchanger) Not Available Available Standard 30 minutes 60 minutes No Function OFF Timer by 1 Hour OFF Timer by 2 Hour OFF Timer by 23 Hours OFF Timer By 24 Hours Main Sub NOTE: (*) This function is applicable for RCD models. As for the optional functions with "X" at the individual setting, only when the "All Rooms" is selected to set the optional function, the setting condition can be changed. The items "C1" and "C3" are not available. Do not change the setting condition "00" 10.4.2. OPTIONAL FUNCTIONS OF REMOTE CONTROL SWITCH 1. Removal of Heating Temperature Calibration [] This function is utilized when the temperature settings of the remote control switch and the suction air temperature of the indoor unit are required to be equal. In standard heating operation, the suction air temperature is higher than the room temperature, therefore the suction air temperature is calibrated -4 C. (Indicated Setting Temperature = Suction Air Temperature -4 C Return to 0 C). This is useful when the thermistor at the suction side of an Indoor Unit is removed and installed into another place. The indicated setting temperature and the suction air temperature after removal of heating temperature calibration are as shown below. Activation Temperature Cooling Set Temperature on Remote Controller ( C) 18 20 22 24 26 28 30 ON 22 24 26 28 30 32 OFF 20 22 24 26 28 30 ON 22 24 26 28 30 30 30 Standard OFF 24 26 28 30 32 32 32 Heating After ON 18 20 22 24 26 28 30 removal OFF 20 22 24 26 28 30 32 2. Circulator Function at Heating Thermo-OFF [] In case that the fan speed is changed to "LOW" tap at heating Thermo-OFF, there is a case that the room air is stratified because warm air stagnates near the ceiling. In this case, it is recommended that the circulator function explained below be utilized. <Circulator Function> The function keeps the fan speed at Thermo-OFF at the same level as thermo-on. In this case, air movement in the room will be kept on the same level as Thermo-ON, ensuring a homogenous air distribution. In the case that an Auto Louver is equipped, this operation will be also held on when the heating is turned Thermo-OFF.

10/16 AVAILABLE OPTIONAL FUNCTIONS NOTE: Perceptions of coolness, heat and air flow are subject to personal tastes and behaviours. It is therefore recommended to discuss this with customers thoroughly and then to set the unit accordingly. 3. Enforced 3 Minutes Minimum Operation Time of Compressor [] When a compressor frequently starts and stops in short intervals, this function should be used to guard the compressor. By setting this function, the mode of a minimum 3 minutes operation will be added. (The mode of a minimum 3 minutes stoppage is standard.) In cas of SET-FREE, this function is standard even when setting is not available. NOTE: When the safety device is activated or the "ON/OFF" switch is pressed, the compressor is stopped immediately. 4. Change of Filter Cleaning Time [] The period for filter sign indication is set for each indoor unit model when shipping. The filter sign is indicated according to the filter cleaning time (Factory-Setting). However, this filter cleaning time can be changed depending on the condition of the filter as shown in the next table. In Case of 4- Way Cassette Type Liquid Crystal Display on Remote Control witch Approx. 100 hrs Period for Filter Sign Indication Approx. Approx. 1,200 hrs 2,500 hrs No Indication or : Factory-Setting : Changed Setting Period : In the case of RPK model, the factory setting is 200 hrs. 5. Fixing of Operation Mode [] This function is utilized when changes in operation modes are not required. When this function is valid, the operation mode which has been set cannot be changed. 6. Fixing of Setting Temperature [] This function is utilized when changes in setting temperature are not required. When this function is valid, the setting temperature which has been set cannot be changed. 7. Fixing of Operation as Exclusive Cooling Unit [] This function is utilized when exclusive cooling operation is required. This function invalidates the heating operation and the automatic COOL/HEAT operation, as the operation of exclusive cooling unit. 8. Automatic COOL/HEAT Operation [] This function is utilized to operate the unit with changing cooling and heating operation automatically. This function is invalid when the outdoor unit is cooling only model or the function of "Fixing Operation as Exclusive Cooling Unit" is valid. AS for FXG/FX3 series, cooling and heating operation mode can be changed individually for each indoor unit in same refrigerant cycle 9. Fixing of Fan Speed [] This function is utilized to fix the fan speed. When this function is valid, the fan speed is not changes by the remote control switch. 10. Not Prepared 11. Not Prepared 12. Not Prepared 13. Drain Pump in Heating (When the humidifier is installed) [] This function is utilized to operate the drain pump in heating operation. However, in case of SET-FREE the Indoor Untis do not have humidifier. Do not change the setting condition "" of the item "" 14. High Speed [] This function is utilized to increase the fan speed due to the high ceiling. (Only available for RCD Units) 15. High Speed at Heating Thermo-OFF [] This function is utilized to increase the fan speed when thermo-off in heating operation with the function (14). (The fan speed is not increased when thermo-off in heating operation at the function (14) setting). (Only available for RCD Units) 16. Canceling of Enforced 3 Minutes Minimum Operation Time of Compressor [] In case of SET-FREE, "Enforced 3 Minutes Minimim Operation Time of Compressor" describen in the item (3) is the standard function This function is utilized to cancel the "Enforced 3 Minutes Minimum Operation Time of Compressor" function. 17. Thermistor of Remote Control Switch [] This function is utilized to control the unit by the built-in thermistor of the remote control switch (remote control thermistor) instead of the thermistor for suction air. Set this function at "" or "" when utilizing this function. However, even when this function is set at "" or "", the detecting temperature is abnormal due to the failure of the remote control thermistor. etc., the thermistor to be used is changed to the thermistor for such air of the indoor unit automatically. 18. Not prepared 19. Not prepared 20. Selection of Forced Stoppage Logic [] This function is utilized to select the logic of the contact for forced stoppage signal input. The setting condition and the logic of the contact are as shown below. Setting Conditio n 00 Logic of Contact A Contact Sequence B 01 Contact 21. Not Prepared 22. Power Supply ON/OFF 1 [] Contact "Open Normal Forced Stoppage Activation Contact "Close" Forced Stoppage Normal This function is utilized to start and stop the unit according to the power supply ON/OFF. When this function is utilized in the condition that there is no person to operate the unit, make the system with monitoring for disaster prevention.

AVAILABLE OPTIONAL FUNCTIONS 10/17 NOTE: The unit is started and stopped according to the power supply ON/OFF due to the power failure. When the power failure is occurred during stoppage by the remote control switch operation, the unit is started again automatically after the power supply is recovered. 23. Not Prepared 24. Power Supply ON/OFF 2 [] This function is utilized to start the unit operation again automatically when the power supply is recovered after the power failure over 2 seconds. The standard unit is started operation again automatically with all the same operating conditions such as operation mode, etc. in case of the power failure within 2 seconds. (The compressor unit is started operation again after three minutes guard in addition to 2 seconds power failure as a maximum.) NOTE: In case of power failure during the unit stoppage, the unit is stopped after recovering the power supply. 25. Ventilation Mode (Total Heat Exchange Model) [] This function is utilized to set the ventilation mode of the total heat exchanger. The setting condition and the ventilatrion mode are as shown below. Setting Condition 00 01 Ventilation Mode Contents Automatic Ventilation Total Heat Exchanging Ventilation 02 Bypass Ventilation Selecting effective ventilation mode (Total Heat Exchanging Ventilation or Bypass Ventilation) for energy saving by detecting the temperature difference between the outdoor temperature and the room temperature. The Heat Exchanging is performed continuously when the total Heat Exchanger is operated. The Heat Exchanging is not performed continuously when the total Heat Exchanger is operated. 26. Increasing supply Air Volume (Total Heat Exchange Model) [] This function is utilized to increase the supply air volume with the one-step high tap of the fan motor for supply air during operation of the total heat exchanger, make the room pressure higher than the surrounded room with the increased supply air volume and prevent polluted air and smell from entering into the room. The setting air flow model by remote control switch and the actual air flow of the total heat exchanger when setting this function are as shown below. Setting Air Flow Mode by Remote Control Switch LOW MED HIGH Air Flow of Total Heat Exchanger MED HIGH HIGH NOTE: In case that the setting air flow mode by the remote control switch is "HIGH", the air flow of the total heat exchanger is "HIGH" even when this function is set. 27. With Humidifier (Only Indication) (Total Heat Exchanger Model) [] This function is utilized to control the total heat exchanger with the humidifier. However, in case of the total heat exchanger of SET-FREE, the humidifier is not attached. Do not set this function. When this function is not set, the control of the humidifier is not performed. 28. Precooling/Preheating Period (Total Heat Exchange Model) [] This function is utilized to delay the start-up of the total heat exchanger operation. The setting condition and the delay period of operation start-up are as shown below. Setting Condition Delaying period of Operation Start-up 00 0 minutes 01 30 minutes 02 60 minutes 29. Not Prepared 30. Automatic Setting for OFF Timer [] This function is utilized to set the OFF timer function automatically when the unit is started by the remote control switch. During operation with the automatic OFF timer setting function, the cancellation of the OFF timer and the changing of the setting period for OFF timer can not be performed. However, the OFF timer function is cancelled when the unit is stopped. When the unit is operated again after stoppage, the setting period for OFF timer is the period set by the optional setting. The setting condition and the setting period for OFF timer are as shown below. Setting Condition Setting Period for OFF Timer 00 Function Invalid 01 1 Hour 02 2 Hours 03 3 Hours ~ ~ 22 22 Hours 23 23 Hours 24 24 Hours NOTE: This function is cancelled when connecting with the CS-NET, and 7-day Timer, controlled by Remote Control. 31. Remote Control Main-Sub Setting [] This function is utilized when two remote control switches are installed in one system. Set one remote control switch to "Main", and another remote control switch to "Sub"

10/18 AVAILABLE OPTIONAL FUNCTIONS 10.5. OPTIONAL FUNCTIONS AVAILABLE THROUGH REMOTE CONTROL SWITCH (PC-P5H) Normal mode (When unit is not operating) Change to the function setting mode Press the ( ) ( ) and ( ) Switch simultaneously for more than 3 seconds. Mode Setting Press the ( ) ( ) and ( )Switch simultaneously (see Chapter 11.2 for more information) ºC Press the Switch and select the operation mode Temp. : Auto : Fan : Cool Temp. Operating Mode Mode No. : Dry : Heat * Set at Auto in normal condition. * In the case that the remote control switch not available mode is set by central station, Mode setting is not available ( ) Cancellation of Adjusting Set Temperature for Heating Operation ºC Press the Switch and select the operation mode Setting : Standard : Cancel Mode No. * In the case that the the indoor units are set, at both Standard and Cancel setting, the indication will be in such case by pressing, all the indoor units can be set at or ( ) Push twice (option is not used) Simultaneous operation Setting (Total Heat Exchanger model only) ºC Press the Switch and select the operation mode Setting Mode No. Temp. : A/C : VENT I : A/C + VENT I Temp. ( ) Remote Control Main-Sub Setting ºC Press the Switch and select the operation mode : Main Remote Control Switch : Sub Remote Control Switch Setting Mode No. When this setting is changed, cut off the power supply of all indoor units after returning the normal mode

AVAILABLE OPTIONAL FUNCTIONS 10/19 10.6. OPTIONAL FUNCTIONS AVAILABLE THROUGH WIRELESS REMOTE CONTROL SWITCH (PC-LH3A + RECEIVER) 10.6.1. OPTIONAL FUNCTIONS The following optional functions can be set by the dip switches of the receiver part. PC-RLH4 Dip Switch Optional Function 1 2 3 4 5 6 7 8 Standard - - - - - Filter Option 100 hours - - - - - 1200 hours - - - - - 2500 hours - - - - - No indication - - - - - Muffing Buzzer Sound - - - - - - - Removal of Heating temperature Calibration Circulator Function at Heating Thermo-OFF Setting of Sub Receiver Part - - - - - - - - - - - - - - - - - - - - : ON : OFF - :ON or OFF booth available PC-RLH9/11 Optional Function Setting of Sub Receiver Part Dip Switch 1 2 3 4 - - - CAUTION: Turn OFF all the power sources before setting the dip switches 10.6.2. OPTIONAL FUNCTION DESCRIPTION Setting of sub-receiver part For this optional function set pin marked with to ON PC-RLH4 a. Open the cover of the receiver part as indicated below. PC-RLH9/11 Open the lid of case by removing two screws so that the following functions are available. PC-RLH9 Switch (COOL) Switch (HEAT) DIP Switch (SW3) Hole for Cable Remove two screws and open the case Cover Printed Circuit Board Case 7-Segment Change of Filter Cleaning Time The filter sign (LED; Yellow) of the receiver part is set to turn ON after the total operation period is over 1,200 hours approximately (Factory-Setting). (In case of the RPK model, the factory-setting is 200 hrs.) However, this filter cleaning time can be changed depending on the condition of the filter. PC-RLH11 Switch (COOL) Hole for Cable Switch (HEAT) 1. Remove the base. 2. Remove two crews and open the case Removal of Heating Temperature Calibration Refer to 10.4.2 (1) for the details. Circulator Function at Heating Thermo-OFF Refer to 10.4.2 (2) for the details. Setting of the Optional Functions PC-RLH9/11 The following optional functions can be set by the dip switches of the receiver part. 1 Setting of Main and Sub Receiver Part 2 Identifying of Indoor Units Installed Side By Side DIP Switch (SW3) Cover Printed Case Circuit Board Base

REMOTE CONTROLLERS OPERATION 11/1 11 REMOTE CONTROLLERS OPERATION CONTENTS 11 REMOTE CONTROLLERS OPERATION 1 11.1 Liquid Crystal Remote Control Switch (PC-P1HE) 2 11.1.1. Operation Procedure for Cooling, Heating, Dry and Fan Operations 3 11.1.2. Operation Procedure for Temperature, Fan Speed and Air Louver Direction Setting 3 11.1.3. Operation Procedure for Timer Operation 4 11.1.4. Operation Procedure for Ventilation 4 11.1.5. Operation Procedure for Automatic Cooling/Heating Operation 4 11.1.6. Operation Procedure for Swing Louver Adjustment 5 11.1.7. Indication when in Normal Condition 6 11.1.8. Indications when in Abnormal Condition 6 11.2 Optional Remote Controller (PC-P5H) 7 11.3 Optional Wireless Remote Control Switch, PC-LH3A 8 11.3.1. Operation Procedure 9 11.3.2. Receiver Kit 10 11.3.3. Air Panel Wireless Control 10 11.3.4. Operation for multiple Indoor Units 11 11.4 Optional 7-Day Timer (PSC-5T) 13 11.4.1. Setting present Day and present Time 14 11.4.2. Changing Weekly Schedule Pattern (A or B) 14 11.4.3. Setting On/Off Time 15 11.4.4. Setting Running Day 16 11.4.5. Setting Holiday 16 11.4.6. Checking Contents of Setting 17 11.5 Optional Central Station (PSC-5S) 18 11.5.1. Group Selection and Monitoring Unit Operation Status 19 11.5.2. Setting of Operation Mode 20 11.5.3. Setting of Temperature, Fan Speed and Louver Angle 20 11.5.4. Unit Operation 22 11.5.5. Prohibiting Operation by Remote Control Switch 22 11.5.6. Timer Operation 23 11.5.7. Other LDC Indications 23 11.5.8. Indication in Abnormal Conditions 24 11.6 Optional Accessories for RCS 24 11.6.1. Remote Control Cable (PRC-10E1~PRC-30E1) 24 11.6.2. Remote Control Cable (PRC-10E~PRC-30E) 25 11.6.3. 3P Connector Cable 25 HITACHI products have different optional Remote Controls. Therefore, the user may order the optional Remote Control as required. In the following pages, all possible functions and operations are explained. Please, refer to Chapter 15 to obtain information about installation and wiring connection. CAUTION: Press switches only with fingers. Do not press switches by any other item, as it may damage the switches.

11/2 REMOTE CONTROLLERS OPERATION 11.1 LIQUID CRYSTAL REMOTE CONTROL SWITCH (PC-P1HE) Liquid Crystal Display (L.C.D) Section LOUVER (Swing Louver Operation) Switch TIME (Time Setting) Switch Increases and decreases the Set Time for timer operation ON/OFF TIMER Switch Used to activate or deactivate the timer operation Indication Operatio n Switch CHECK Switch RESET (Filter Reset Switch) After cleaning the air filter, press the "RESET" button. The filter indication will disappear and the next filter cleaning time is reset. It also stops the run procedure. TEMP (Temperature Setting) Switch T.RUN (Test Run Indication) Check (Check Indication) These Tests appears when "TEST RUN" or "CHECK" is being performed Model: Order No.: PC-P1HE 7E799954 bfan Speed Indicator Ventilation Indicator Indicates the fan speed you have selected: (High/Medium/Low) It indicates if Total Heat exchanger has been selected. A/C only air conditioning VENTI only ventilation A/C + VENTI when both have been selected Operation Mode Indicator Indicates the operation mode selected: Fan, Cool, Heat, Dry, Auto (Cool/Heat) ABNML (Alarm) Indicator "FILTER" Indicator SET TEMP (Setting Temperature) Indicator ON/OFF Timer (Timer Operation Indicator) Alarm Code Indicator "NO FUNCTION" Indicator CENTRAL (Central Control Indicator Operation) Indicates that central station or CS-Net is being performed Swing Louver Indicator "DEFROST" Indicator Run Indicator (Red Lamp) RUN/STOP Switch MODE (Operation Mode Selection) Switch FAN SPEED (Fan Speed Selection) Switch Up & Down Panel Operation Switch VENTI(Ventilator Operation) Switch When opening the cover, pull the cover toward the arrow direction NOTE: Do not use this system as constant temperature and constant humidity control equipment. In the case that the LOW fan speed is selected and outdoor temperature is higher than 21 C, excessive load is given to the compressor at heating operation. Therefore, set the fan speed at HIGH or MEDIUM, since safety devices may be activated. When the system is started after a shutdown longer than approximately 3 months, it is recommended that the system be checked by your service contractor. Turn OFF the main switch when the system is stopped for a long period of time. If the main switch is not turned OFF, electricity is consumed, because the oil heater is always energized during compressor stopping.

REMOTE CONTROLLERS OPERATION 11/3 11.1.1. OPERATION PROCEDURE FOR COOLING, HEATING, DRY AND FAN OPERATIONS Before Operation Supply electrical power to the system for approximately 12 hours before start-up after long shutdown. Do not start the system immediately after power supply, it may cause a compressor failure, because the compressor is not heated well. Make sure that the outdoor unit is not covered with snow or ice. If covered, remove it by using hot water (less than 50 C). If the water temperature is higher than 50 C, it will cause damage to plastic parts. Turn ON the power supply. Three vertical lines appear on the liquid crystal display A/C or VENTI is indicated on the liquid crystal display. Press the MODE switch. By repeatedly pressing the MODE switch, the indication is changed in order of COOL, HEAT, DRY and FAN (In case of Cooling Only model, COOL, DRY and FAN). (The figure shows when setting "COOL" mode is selected). Press the RUN/STOP switch. The RUN indicator (Red) is ON. The system is automatically started. CAUTION: NOTE: Setting of Temperature, Fan Speed and Air Louver Direction The setting condition is memorized after setting once, therefore the daily setting is not required. In case that the setting is required to be changed, refer to operation procedure for Temperature, Fan Speed and Air Louver Direction Setting. Switch OFF (STOP) Press the RUN/STOP switch again. The RUN indicator (Red) is OFF. The system is automatically stopped. NOTE: There could be a case that the fan operation is performed for approximately 2 minutes after the heating operation is stopped. 11.1.2. OPERATION PROCEDURE FOR TEMPERATURE, FAN SPEED AND AIR LOUVER DIRECTION SETTING DO NOT touch the CHECK switch. The CHECK switch is used only when servicing. In case that the CHECK switch is pressed by mistake and the operation mode is changed to the check mode, press the CHECK switch again for approximately 3 ATTENTION: seconds, and press the CHECK switch once again after 10 seconds, and the operation mode is changed to the normal condition. Setting of Temperature Adjust the temperature by pressing TEMP or switch. The temperature is increased by 1 C by pressing switch (Max. 30 C). The temperature is decreased by 1 C by pressing switch (Min. 19 C in case of COOL, DRY and FAN mode, Min. 17 C in case of HEAT mode). (The figure shows when setting 28 C). Setting of Fan Speed Press the FAN SPEED switch. By repeatedly pressing the FAN SPEED switch, the indication is changed in order of HIGH, MED and LOW. For standard operation, set the fan speed at HIGH. (The figure shows when setting "MED" speed). NOTE: In case of DRY mode, the fan speed is automatically changed to LOW, and can not be changed (However, the indication shows the present setting condition).

11/4 REMOTE CONTROLLERS OPERATION Setting of Swing Louver Direction Press the SWING LOUVER switch, the swing louver starts to swing. Press the SWING LOUVER switch again, the swing louver is fixed. By repeatedly pressing the SWING LOUVER switch, the swing louver repeats to stop and swing. When Fixed The indication shows the air flow direction. When Swinging Automatically The indications move continuously corresponding to the louver swing. NOTE: In case of heating operation, the louver angle is automatically changed. 11.1.3. OPERATION PROCEDURE FOR TIMER OPERATION Press the ON/OFF TIMER switch. ON TIMER is indicated in case that the system is stopped. OFF TIMER is indicated in case that the system is operated. (The figure shows when setting "ON TIMER") Press the TIME or switch, and set your required time - The set time is increased by 0.5 hours by pressing the switch (Max. 24.0 hours) and decreased by 0.5 hours by pressing the switch (Min. 0.5 hours). - In case that the required time is not set, the set time is automatically indicated at 8.0 hours. (The figure shows when setting 8.5 hours for timer operation). Cancel Press the ON/OFF TIMER switch again. 11.1.4. OPERATION PROCEDURE FOR VENTILATION This function is available only when the total heat exchanger is connected. When the procedures below are performed without the total heat exchanger connected, NO FUNCTION blinks for 5 seconds. Ventilation Press the VENTI switch By repeatedly pressing the VENTI switch, the indication is changed in order of A/C, VENTI and A/C+VENTI. (The figure shows when setting "A/C + VENTI"). ATTENTION NOTE: Contact your distributor or dealer of HITACHI for detailed information. In case that the mode is changed to VENTI during individual operation of the air conditioner, the air conditioner is stopped. In case that the mode is changed to A/C during individual operation of the total heat exchanger, the total heat exchanger is stopped. 11.1.5. OPERATION PROCEDURE FOR AUTOMATIC COOLING/HEATING OPERATION The automatic cooling/heating operation is required to be set by the optional function. Contact your distributor or dealer of HITACHI for detailed information. This function is to change operation mode, cooling or heating automatically according to the temperature difference between the set temperature and the suction air temperature. In the case that the suction air temperature is higher than the set temperature by 3 C, the operation is changed to COOL mode, and lower than the set temperature by 3 C, the operation is changed to HEAT mode. NOTE: In case of heating operation at the LOW fan speed, the operation often stops by the operation of the protective devices. In such cases, set the fan speed at HIGH or MED. In case that the outdoor temperature is higher than approximately 21 C, the heating operation is not available. The temperature difference between cooling and heating operation is quite big in case of using this function. Therefore, this function can not be used for the air conditioning of the room where requires accurate control of temperature and humidity.

REMOTE CONTROLLERS OPERATION 11/5 11.1.6. OPERATION PROCEDURE FOR SWING LOUVER ADJUSTMENT Setting Swing Louver 1. When the SWING LOUVER switch is pressed, the swing louver starts its operation. The range of the swinging angle is approximately 70 from the horizontal position to the downward position. When mark " " is moving, it indicates the operation of the louver continuously. 2. When the swinging operation of the louver is not required, press the SWING LOUVER switch again. The louver is stopped at an angle indicated by the direction of the mark " ". 3. Discharge air angle is fixed (at 20 for RCI series and 40 for RCD series) during start-up of heating operation and defrosting operation when thermostat is ON. When the outlet air temperature reaches higher than approximately 30 C, swinging of louvers is started. RCI (4-Way Cassette Type) Indication Louver Angle (approx.) Cooling Dry Heating Approx. 20 Approx. 25 Approx. 30 Angle Range Approx. 35 : Recommended Angle RCD (2-Way Cassette Type) Indication Louver Angle (approx.) Approx. 40 Approx. 45 Approx. 50 Angle Range Approx. 55 Approx. 45 Approx. 60 Approx. Approx. 55 70 Approx. Approx. 65 70 Fixing of Louver 1. In the case of cooling and dry operation, discharge air angle can be changed at 5 positions. In the case of heating operation, it can be changed at 7 positions 2. To fix the louver position, first press the SWING LOUVER switch to start the louver swinging, and then press the SWING LOUVER switch again when the louver reaches the required position. 3. Discharge air angle is fixed (at 20 for RCI series and 40 for RCD series) during start-up of heating operation and defrosting operation when thermostat is ON. When the outlet air temperature exceeds approximately 30 C, the swing louvers activate. 4. When the louvers are fixed at an angle 55 RCI, 65 RCD or 70 both during heating operation and the operation mode is changed to cooling operation, louvers will be automatically fixed at an angle 45 RCI, 60 RCD NOTE: There exists a time lag between the actual angle of the louver and the liquid crystal indication. When the SWING LOUVER switch is pressed, the louver will not stop immediately. The louver will move one extra swing. Cooling Dry Heating RPK (Wall Type) Indication Louver Angle (approx.) Cooling Dry Louver Angle (approx.) Approx. 35 : Recommended Angle Approx. 40 Approx. 45 Approx. 50 Approx. 55 Approx. Approx. Approx. Approx. Approx. 40 45 50 55 60 Heating Angle Range : Recommended Angle RPC (Ceiling Type) Indication Louver Angle (approx.) Cooling Dry Heating Horizont al Approx. 15 Angle Range Angle Range Approx. 30 Angle Range Angle Range Approx. 40 Angle Range : Recommended Angle Approx. 50 Approx. Approx. 60 70 Approx. Approx. 65 70 Approx. Approx. 60 80 Do not turn the air louver by hand. If moved, the louver mechanism will be damaged! (in all units) Wall Type (RPK): - Adjust the vertical deflectors by hand to discharge air in the required direction. - Do not swing 1 blade at left side and 2 blade at right side of the vertical deflection. Automatic Setting of louver - When the unit operation is stopped, two air louvers are stopped at closing position automatically. Horizontal Deflector CAUTION: Vertical Deflector Ceiling Type (RPC): The vertical deflector consists of four sets of deflectors. Adjust the vertical deflectors by hand to discharge air in the required direction. NOTE: For models without automatic swing louver the above indications are not available through R.C.S. The swing Louver should be adjusted by hand in this case. Horizontal Deflector One Set Vertical Deflector

11/6 REMOTE CONTROLLERS OPERATION 11.1.7. INDICATION WHEN IN NORMAL CONDITION Thermo-controller When the thermo-controller is operated, the fan speed is changed to LOW, and the indication is not changed. (Only in the heating operation) Defrost When the defrost operation is performed, DEFROST indication is ON. The indoor fan is slowed down and stopped. The louver is fixed at the horizontal position. However, the louver indication of LCD continues to activate. (The figure shows when setting "DEFROST" is ON). When the unit is stopped during defrost operation, the RUN indicator(red) is OFF. However, the operation continues with DEFROST indication, and the unit is stopped after the defrost operation is finished. Filter Filter Clogging FILTER indication is ON when the filter is clogged with dust, etc. Clean up the filter. - Press the RESET switch after cleaning up the filter. The FILTER indication is OFF. 11.1.8. INDICATIONS WHEN IN ABNORMAL CONDITION Abnormality The RUN indicator(red) blinks. ALARM is indicated on the liquid crystal display. The indoor unit number, the alarm code, the model code and the connected number of indoor units are indicated on the liquid crystal display. In the case that the plural indoor units are connected, the above items for each indoor unit are indicated one by one. Check the contents of the indications and contact your distributor or dealer of HITACHI. Power Failure All the indications are OFF. Once the unit is stopped by power failure, the unit will not be started again although the power recovers. Perform the starting procedures again. In case of instantaneous power failure within 2 seconds, the unit will be started again automatically. Electric Noise There could be a case that all the indications are OFF and the unit is stopped. This is occurred by the activation of the micro computer for the unit protection from the electric noise. Indoor Unit Number Indicated for a second alternately Alarm Code Model Code Connected No. of Indoor Units Alarm Code NOTE: In case of using the wireless remote control switch for the wall type indoor unit, remove the connectors (CN25) connected to the indoor PCB. If not removed, the unit can not operated. The memorized data can not be erased unless the remote control switch is initialized.

REMOTE CONTROLLERS OPERATION 11/7 11.2 OPTIONAL REMOTE CONTROLLER (PC-P5H) ºC Temperature Indication RUN LED (Red) RUN/STOP Switch Temperature Setting Switch FAN SPEED (Green) FAN SPEED Setting Switch-High FAN SPEED Setting Switch-Medium FAN SPEED Setting Switch-Low HITACHI To Start 1. When turning ON the indoor unit, initial process will start. 2. Set at your required temperature by pressing the switch. The set temperature is indicated on the display. 3. Select one of the fan speed by pressing the,, switches. The set fan speed is indicated by the green LED. ºC To Stop 1. Press the Switch. Air Conditioning is stopped and all the LEDs are turned OFF. In order to restart, press the switch. NOTE: Swing Louver Setting is not available. Select by Central Station or other remote control switch. Default: Auto Swing In the case that the remote control switch not available mode is set by central station, setting is not available. 4. Press the Switch. The red LED turns ON.

11/8 REMOTE CONTROLLERS OPERATION 11.3 OPTIONAL WIRELESS REMOTE CONTROL SWITCH, PC-LH3A Transmitter Point the transmitter towards the receiver of the indoor unit when sending commands. The Transmitting indication on the liquid crystal display flashes when sending commands. Transmitting Indication Liquid Crystal Indication The set temperature, timer operation, position of air louver, operation mode, air flow mode, etc.. are indicated. The diagram of the display shown on the left is for explanation purposes only. The display will differ during actual operation. Run/Stop Switch Operation of the unit con be started or stopped by pressing this switch. This controller is used to send commands about operation mode, timer setting, etc. to the indoor unit. Face the transmitter of the controller toward the receiver of the indoor unit and press the switch of required operation so that commands (by infrared rays) are sent to the indoor unit. The distance for transmitting is approximately 6 meters as a maximum. (The capable distance for transmitting will get shorter in case that the transmitting angle is not vertical to the receiver or an electronic type light is used in the room, etc.). (The above figure shows all indication items for explanation only. Therefore, the indication in actual operation is different) Fan Speed Switch Press this switch to select the fan speed. By repeatedly pressing the button, the setting will change sequentially through HIGH, MED and LOW. (Fan speed is fixed at low for dry operation). Mode selection switch By repeatedly pressing the mode switch, the unit cycles through the different operating modes in the order of HEAT, DR, COOL and FAN. To select auto operation, press the switch for more than 3 seconds. If the switch is pressed again, it will return to FAN mode. Louver Angle Switch The airflow angle and auto-louver operation can be set by this switch. When pressing the switch, the angle is changed in the following order. (In cool or dry operation modes, steps 1-5 and Auto swing are available). Temp. Switch The setting temperature con be adjusted using the switch. Reset Switch (1) Press RESET to turn off the filter indicator lamp after filter cleaning. (2) If the unit is stopped abnormally due the protection devices etc... press the RESET switch to cancel the control stoppage after the cause of abnormality has been remove. Timer Switches Four switches control the timer operation. The set time can be changed by pressing "ON TIME" or "OFF TIME" and is set by pressing the "SET" switch. Timer operation can be cancelled using "CANCEL".

REMOTE CONTROLLERS OPERATION 11/9 11.3.1. OPERATION PROCEDURE When operating the controller, face the transmitter toward the receiver of the indoor unit and press the switch for the required operation as followings. The operation commands are sent by pressing the required operation switch by facing the transmitter of the controller toward the receiver of the indoor unit. When the commands are sent, the " " mark on the liquid crystal display of the controller blinks once. The indication lamp (yellow) on the receiver part of the indoor unit turns ON for an instant when the indoor unit receives the commands. ATTENTION: - In case that the indication lamp (yellow) does not turn ON although the commands are sent, the commands are not received by the indoor unit. In such a case, send the commands again. - The transmitter of the controller has the vertical directivity to the receiver, and the permissible angle for transmitting is within 50. However, the capable distance for transmitting gets half when the transmitting angle is 50, and also get shorter in case that an electronic type light is used in the room. - In case that two indoor units are installed side by side, the commands from the controller may be received by both indoor units. The function to identify each indoor unit is not applicable. Indication Lamp " " (yellow) turns ON for an instant Receiver Transmitting mark " " blinks once Within approx. 50 (Directivity) Controller Vertical line between Transmitter and Receiver

11/10 REMOTE CONTROLLERS OPERATION Receiver Kit One of this receiver Kits is required for indoor units to receive the signal when using wireless remote control switch (PC-LH3A). Applied Models: PC-RLH4 Operate Defrost Open Filter Timer Model On the Wall On the Panel RCI- (1.5~5.0)FSG2Ei P-G(23/46) WAH2E(1) RCD- PC-RLH9 (1.5~5.0)FSG2 PC-RLH4/11 RPC-(2.0~5.0) FSG2Ei RPI-(1.5~5.0) FSG2Ei DSW 7-Segment for alarm code NOTE: In case of another Remote Controller is used together with PC-RH11/9, one of them must be set as "Sub", setting pin 1 of SW3 to ON (see next page) Cooling Heating Emergency Normal Stop PC-RLH9 Run/Stop Cooling Run/Stop Heating Optional Settings PC-RLH11 Dip Switch Operation Defrost Filter Timer Run/Stop Cooling Run/Stop Heating Dip Switch 11.3.2. AIR PANEL WIRELESS CONTROL These air panels for wireless control contains the receiver part, and is required for 4-way cassette type and 2-way cassette type indoor units when using wireless remote control switch (PC-LH3A). For 4-Way Cassette Type Models P-G23WAH2E(1) P-G46WAH2E(1) Applied Indoor Unit RCI-(1.5~3.5)FSG2Ei RCI-(4.0/5.0) FSG2Ei For 2-Way P-G23DWA1 RCD-(1.5~3.0) FSG2 Cassette Type P-G46DWA1 RCD-(4.0/5.0) FSG2

REMOTE CONTROLLERS OPERATION 11/11 11.3.3. OPERATION FOR MULTIPLE INDOOR UNITS Installation of Units for Wireless Control In case of operating the multiple indoor units (Max. 16 units) simultaneously by wireless controller, the air panel for wireless control should be applied only to the unit for operation, and without receiver kit (for wired control) should be applied to other units. If plural receiver kits for wireless control are required to be used, max. two receiver kits for wireless control can be installed. In case of using two receiver kits for wireless control, set "Main" and "Sub" for receiver kits by the following procedures. WARNING: Turn OFF all the power source before the following procedures such as wiring, setting the rotary switch, etc. Should be Standard Unit Wireless Controller Standard Unit with or without receiver Setting of "Sub" receiver kit for Wireless control In case that two receiver kits for wireless control are installed, one receive should be set as the "Sub" receiver kit. a) PC-RLH4: 1. Open the lid cover. 2. Set No.7 pin of dip switch at the "ON" side Cover b) PC-RLH9/11 1. Remove rear cover 2. Set pin No. 1 of Dip Switch SW3 to ON Wiring Procedures between Indoor Units 1. Perform the wiring work as follows. The total length of the cable must be within 500 meters. Cable references are shown below: PC-RLH4 PRC-10E PRC-15E PRC-20E PRC-30E PC- RLH9/11 Cable Length PRC- 10E1 PRC- 15E1 PRC- 20E1 PRC- 30E1 10 m 15 m 20 m 30 m 2. Fix the connecting control cable between indoor units at certain points with bands not to run along the power supply cable inside of the indoor unit. The same wiring is required outside of the indoor unit; Keep a distance more than 30 cm between the control cable and the power supply cable, or ground one end of a conduit tube after inserting the control cable in the metal conduit tube. CN12(Yellow) "Multi" CN13(Blue) "Remote Control" Receiver Rotary Switch Receiver CN13(Blue) "Remote Control" CN12(Yellow) "Multi" Rotary Switch (RSW) Setting when shipment Receiver rear side Wiring in case of PC-RLH4 2-Cores(Rd & Black) or 3-cores2-Cores(Rd & Black) or 3-cores2-Cores(Rd & Black) or 3-cores PCB of Branch Unit (No.2) PCB of Main Unit PCB of Branch Unit (No.1) PCB CN13(Blue) "Remote Control" Wiring in case of PC-RLH9/11 PCB CN12(Yellow) "Multi" Use 3-core cable of 0.3-0.75mm² (SEE TABLE)

11/12 REMOTE CONTROLLERS OPERATION 3. Set the RSW switches on the printed circuit board in the electrical box of each indoor unit as shown in the next figure. RSW Setting 1 st unit 2 nd unit 3 rd unit 4 th unit 4. Check the number of Indoor Units Connected when test running 5 th unit 6 th unit 7 th unit 8 th unit NOTE: The 7-segment indication of the receiver part (see previous page) shows the number of the indoor units connected in case that the test running is performed by the controller. However, the number can not be indicated for some models. In such a case, check the number by the wired controller PC-2H2 or PC-P1HE. WARNING: Turn OFF all the power source before the following procedures such as wiring, setting the rotary switch, etc. 9 th unit 10 th unit 11 th unit 12 th unit 13 th unit 14 th unit 15 th unit 16 th unit

REMOTE CONTROLLERS OPERATION 11/13 11.4 OPTIONAL 7-DAY TIMER (PSC-5T) Features: By pluggin this timer to the optional remote control switch or central station, daily ON/OFF operation control throughout the week is available. Functions: 1. ON/OFF setting time in a week 2. ON/OFF setting in available three (3) times a day 3. OFF setting for special Holiday day 4. Present time is indicated 5. Running time is indicated Indication Operation switch Model: PSC-5T Order No:60299957 Indication of Present Time Indication of Setting Time and Holiday Day This indicates the Operation Mode, SET or MONITOR, and the Holiday day if it is selected. Indication of Present Day of the week Indication of Running Day of the week Whenever the running day is set, this light is on. Run Indicator (Red Lamp) Change Switch of Operation Mode (SET/MONITOR) By depressing this switch the control timer is changed to the setting mode, the "SET" indication is turned on and the "" mark is flickered. Depressing again the "SET" mode is turned off and the setting mode is changes to monitor mode. Change Switch of Setting Pattern (A/B) There are two (2) patterns (A and B) set for the weekly schedule. Each pattern can be set with three (3) times ON/OFF setting for each weekly day. By depressing this switch the pattern activated (A or B) is selected. Setting Switch of Holiday By depressing this switch when the "SET" indication is on, the "HOLI" indication is turned on and the selected day is set as "Holiday". Depressing it again, the holiday setting is canceled. Setting Switch of Present time By depressing this switch the "SET" indicator and "" mark are flickered and present time can be set. Setting Switch of Day of a Week Day of week is selected by this switch when "SET" display is flickering or indicated. Depressing this switch, the "" mark move in order of "Sun > Mon >... > Sat". Depressing the DAY after "Sat", all the "" mark are selected. Depressing it again "" mark returns to "Sun" Setting Switch of Running Day (RUN DAY) By depressing the "RUN DAY" switch, the selected day is set as the running day and the "" mark is turned on. Depressing again it is turned off and the selected day is cancelled Change Switch of SELECT Setting By depressing the " SELECT " switch the 1, 2 or 3 of ON TIME and OFF TIME is selected. Change Switch of ON/OFF TIMER Setting When "SET" display is flickering, by depressing the "ON/OFF TIMER" the timer is changing to the ON/OFF time setting mode and the "hour" indication of ON TIME is flickering. CANCEL Switch of Setting Time Depressing this switch when timer is set, the indication of ON TIME or OF TIME is changed to "-.--". OK Switch By depressing this switch the selection on setting process is accepted. Setting Switch of HOUR-MINUTE By depressing "" or "" the hour or minute is set when "SET" display is flickering or indicated. Indication of ON TIME and OFF TIME Setting It is indicating the setting conditions of the selected day Indication of Weekly Scheduled Pattern (A or B) When opening the cover, pull the cover toward the arrow direction NOTE: The present time and the ON/OFF setting time are indicated by 12 hours units (AM 00:00-11:59, PM 00:00-11:59)

11/14 REMOTE CONTROLLERS OPERATION 11.4.1. SETTING PRESENT DAY AND PRESENT TIME (<Example> present Day: Friday, Present Time: 5:15 PM). During the setting mode, the setting of the present time is not available when depressing the "PRESENT" switch more than 3 seconds. 1. Supply power to the unit. ATTENTION ATTENTION: Supply power the unit more than 12 hours before unit operation for compressor protection. Do not cut off power during the term of using air conditioner. The right figure shows the case of the present time at AM 0:00 on Sunday. (When the power is turned ON, the present time is not set.). 2. Depress the "PRESENT" switch for more than 3 seconds. The display is changed to the present time setting mode, and the "SET" indicator and the "" mark are flickered. The right figure shows the case that ON time and OFF time are not set. 3. Set the "" mark at the present day by depressing the "DAY" switch. Depress the "OK" switch after setting the present day, the "" mark is turned on and "hour" indication is flickered. The right figure shows the case of setting the day at "Friday". 4. Set "hour" indication at the present hour by depressing the "HOUR/MINUTE or " switch. Depress the "OK" switch after setting the present hour, "hour" indication is turned on and "minute" indication is flickered. The right figure shows the case of setting the hour at "PM 5". Note: AM 12:00 is displayed as PM 00:00 5. Set "minute" indication at the present minute by depressing the "HOUR/MINUTE or " switch. Depress the "OK" switch after setting the present minute, the present day and the present time are fixed, and the present time setting mode is changed to the monitor mode. "minute" indication is turned on and the "SET" indication is turned off. The right figure shows the case of setting the minute at "15". 11.4.2. CHANGING WEEKLY SCHEDULE PATTERN (A OR B) There are 2 (two) patterns (A or B) set for the weekly schedule. Each pattern can be set with 3 (three) times ON/OFF settings for each weekly day. <Function> To select the pattern for setting and operating the schedule. The schedule of A or B pattern can be set for each week and changed for a season. 1. Depress the "SET/MONITOR" switch. The control timer is changed to the setting mode and the "SET" indication is turned on. 2. Depress the "A/B" switch. The set pattern is changed ("A" to "B") by depressing the "A/B" switch. The right figure shows the case of selecting the set pattern "B". 3. Depress the "SET/MONITOR" switch. The "SET" mode is turned off and the setting mode is changed to the monitor mode.

REMOTE CONTROLLERS OPERATION 11/15 11.4.3. SETTING ON/OFF TIME (<Example> "A" pattern, Friday, Setting 2, PM 1:00 (ON) / PM 5:00 (OFF) In case that the remote control switch (PC-2H2 is used together, both setting of ON TIME and OFF TIME are required for setting a, 2 and 3. (The setting of ON TIME (or OFF TIME) only is not available). In case that the central station (PSC-5S or PC-P1H) is used together, the setting of ON TIME (or OFF TIME) only is available. 1. Depress the "SET/MONITOR" switch. The control timer is changed to the setting mode, the "SET" indication is turned on and the "" mark is flickered. The right figure shows the case of changing to the setting mode. ATTENTION 2. Select "A" or "B" pattern by depressing the "A/B" switch. Refer to "B". Changing weekly Schedule pattern A or B for changing the pattern 3. Select the weekly day to set ON/OFF control by depressing the "DAY" switch By depressing the "DAY" switch, the flickering "" mark moves in order of "Sun Mon... Sat". Depressing the "DAY" switch after "Sat", all the "" marks (from "Sun" to "Sat") are flickered. In this case, the setting is the same for all days of a week. Depressing the "DAY" switch once again, the flickering "" mark returns to the position of "Sun" 4. Depress the "ON/OFF TIME" switch. The Timer is changed to the ON/OFF time setting mode and the "hour" indication of ON TIME is flickered. The right figure shows the case of changing to the ON/OFF time setting mode 5. Select the setting 1,2 or 3 by depressing the " SELECT " switch. By depressing the " SELECT " switch, the "hour" indication moves flickering. The right figure shows the case of selecting the setting 2. 6. Set the "hour" indication of ON TIME by depressing the "HOUR/MINUTE or " switch. After setting the "hour" indication, depress the "OK" switch and the "minute" indication of ON TIME to be set is flickered. The right figure shows the case of setting the hour "PM 1:--" 7. Set the "minute" indication of ON TIME by depressing the "HOUR/MINUTE or " switch. After setting the "minute" indication, depress the "OK" switch and the "hour" indication of OFF TIME to be set is flickered. The right figure shows the case of setting the hour "PM 1:00". 8. Set the time of "OFF TIME" by the same procedure of setting the time of "ON TIME" After setting the time of "OFF TIME", the flickering indication of "OFF TIME" is turned on and the ON/OFF time setting mode is changed to the setting mode. The right figure shows the case of setting the hour "PM 5:00". 9. Depress the "SET/MONITOR" switch The "SET" indication is turned off and the control timer is changed to the monitor mode. The right figure shows the case of indicating the setting condition of the present day. Depressing the "CANCEL" switch when setting ON time (procedure 6) or OFF time (procedure 8), the indication of ON TIME or OFF TIME is changed to "". Depressing the "OK" switch in this condition, the setting is canceled. ATTENTION

11/16 REMOTE CONTROLLERS OPERATION 11.4.4. SETTING RUNNING DAY <Function> To set the day for actual operation of the running schedule set before. (Though the ON time and OFF time are set, the schedule operation is not available unless the running day is set.) <Example> "B" pattern, Tuesday 1. Depress the "SET/MONITOR" switch. The timer is changed to the setting mode, the "SET" indication is turned on and the "" mark are flickered. 2. Select "A" or "B" pattern by depressing the "A/B" switch. The right figure shows the case of selecting the set pattern "B" 3. Select the running day by depressing the "DAY" switch. Refer to 3. of "Setting ON/OFF Time" for the indication of the "" mark. The right figure shows the case of selecting the day "Tuesday". 4. Depress the "RUN DAY" switch, the selected day is set as the running day and the "" mark is turned on at the selected day. By depressing the "RUN DAY" switch again, the running day setting is canceled and the "" mark is turned off. The right figure shows the case of selecting the day "Tuesday". 5. Depress the "SET/MONITOR" The "SET" indication is turned off and the control timer is changed to the monitor mode. 11.4.5. SETTING HOLIDAY <Function> To cancel the running schedule temporarily. The schedule operation is canceled only once at the day set as "holiday". After that, the schedule operation is available again. This function is used in case that there are any irregular holidays. (<Example> "B" pattern, Tuesday 1. Depress the "SET/MONITOR" switch. The timer is changed to the setting mode, the "SET" indication is turned on and the "" mark are flickered. 2. Select "A" or "B" pattern by depressing the "A/B" switch. The right figure shows the case of selecting the set pattern "B" 3. Select the day to be set as "holiday" by depressing the "DAY" switch. Refer to 3. "Setting ON/OFF Time" for the indication of the "" mark. The right figure shows the case of selecting the day "Tuesday". 4. Depress the "HOLIDAY" switch, the "HOLI" indication is turned on and the selected day is set as "holiday". In the case that the selected day is not set as running day the "" mark is turned off. The holiday setting is not available for the day. (In case that all days of a week are selected, only the running day is set as "holiday"). By depressing the "HOLIDAY" switch again, the holiday setting is canceled.

REMOTE CONTROLLERS OPERATION 11/17 5. Depress the "SET/MONITOR" The "SET" indication is turned off and the control timer is changed to the monitor mode. In case of setting the present day as "holiday", the "holiday" setting is available from that time and the schedule operation is canceled until the next day. In that case, the same day after a week is not "holiday". ATTENTION: 11.4.6. CHECKING CONTENTS OF SETTING 1. Depress the "DAY" switch at the monitor mode (when the "SET" indication is turned off), the "" mark moves and the setting contents of the day with the "" mark is indicated. The right figure shows the case of selecting the day "Tuesday". CAUTION: - The control timer has a built-in back-up battery and the clock function is available within 2 weeks in case of power failure. If the power failure continues more than 2 weeks, set the present time again. - The RUN indicator is turned on at ON time and turned off at OFF time. In case that the indoor unit operation is started or stopped by the remote control switch or the central station used together with the timer, the RUN indicator is not changed. - The flickering of the RUN indicator shows the abnormal condition of the Timer. Check to ensure that the wiring connection and the setting of dip switches are correct. In the case that the RUN indicator is still flickered after checking, contact your distributor or dealer of HITACHI. CAUTION: -It may take approximately 15 seconds to start (or stop) operation after ON time (or OFF time) according to the controller used together. -The operation can not be started or stopped during the setting mode condition. After the completion of setting, set the Timer at the monitor mode. (After 3 minutes with leaving the Timer at the setting mode, the Timer is changed to the monitor mode automatically.) -In the case that the Timer is used with the central station (PSC-5S), the setting by the central station is required. Refer to next chapter 11.5 and chapter 16.3 of Installation of central Station for more details.

11/18 REMOTE CONTROLLERS OPERATION 11.5 OPTIONAL CENTRAL STATION (PSC-5S) Model: PSC-5S1 Order No: 60299729 Indication of Fan speed It indicates the fan speed selected to group shown: High/Medium/Low Mode Indication It indicates the operation Mode selected to group shown: Fan, Cool, Heat and Dry. Auto is available if this function is activated Run indicator (Red Lamp) RUN/STOP Switch Operation Status of each unit is changed, ON/OFF Operation mode Selection Switch FAN, COOL, HEAT, DRY Fan Speed Selection Switch HIGH, MEDIUM, LOW Timer Selection Switch By depressing this switch, the signal from the Control Timer (PSC-5T) schedule is available and the "TIMER" indication is turned on. Depressing again "TIMER" is turned off and schedule is not available. RMT.SW AVL/NAVL Switch By depressing this switch, control by each Remote Control is prohibited or not. When "RMT.SW NAVAL" is indicated Remote Control Switch is prohibited. NOTE: When monitoring mode is selected, the above mentioned operation modes and setting temperature are indicated. LOUVER (Swing Louver Operation) Switch By depressing this switch the swing louver position or operation is selected Temperature Setting Switch This Switch is not used Check Switch By depressing this switch, "CHECK" is indicated and Master or Slave unit can be set. See sub-chapter 16.3.5 for more details. RESET Switch By depressing this switch, the CHECK function is canceled. The "FILTER" indication can be turned off too. Group Selection Switch By depressing this switch, the group number to be controlled is changed from 01 to 16. After 16, AA is shown, and then all the units are controlled simultaneously. Depressing again 01 is shown and sequence is started CHECK, FILTER, RMT. SW NAVAL and ABNML indication "CHECK" is indicated when that Switch is depressed. "FILTER" is indicated when one or more units of the same group have the filter clogging. "RMT.SW NAVAL" is indicated when that switch is depressed. "ABNML" is indicated when one or more units of the same group selected have an abnormal condition. TEMPERATURE indication TIMER, DEMAND, EMERGENCY and NO FUNCTION indication "TIMER" is indicated when that switch is depressed. "DEMAND" is indicated when the demand input is set by the outside input function. "EMERGENCY" is indicated when the emergency stop signal is input from the outside input function. "NO FUNCTION" is indicated when switch depressed is not available Group Operation The "" mark shows the operation conditions of each group. " " OFF is Stop, "" ON is Operation and Flickering is abnormality. Group Number Indication Check Model Number indication Swing Louver Indication When opening the cover, pull the cover toward the arrow direction

REMOTE CONTROLLERS OPERATION 11/19 11.5.1. GROUP SELECTION AND MONITORING UNIT OPERATION STATUS The central station can control up to 16 groups by each group or simultaneously. (The selected groups can be operated and the unit operation status of the groups can be monitored). NOTE: The group number is changed by depressing the "GROUP" switch. The group without setting is not indicated. 1. Supply power to the unit ATTENTION Supply power to the unit more than 12 hours before unit operation for compressor protection. Do not cut off power during the term of using air conditioner 2. Depress the "GROUP" switch. Every time the "GROUP" switch is depressed, the group number to be controlled is changed in the order as shown below. In case of "AA", all the units are controlled simultaneously. 3. When selecting the group, the setting conditions of each group are indicated. By operating by the remote control switch, the content of the setting is indicated. 1~16 Show the operating conditions of each group as follows; Turned OFF ( ): Stop Turned ON (): Operation Flickering ( ): Abnormality The Run indicator (Red Lamp) shows the following: Turned OFF: All Groups Stop Turned ON: More than 1 Group in Operation Flickering: More than 1 Group in Abnormal Condition. In case of group AA, the indications (operation mode, setting temperature, air flow, louver angle and "RMT.SW NAVL" are indicated only when all groups are in the same setting.

11/20 REMOTE CONTROLLERS OPERATION NOTE: The indication of setting temperature "" shows no setting of temperature. 11.5.2. SETTING OF OPERATION MODE <FUNCTION> "COOL" Operation: To cool the room temperature by distributing the cooled air. "HEAT" Operation: To heat the room temperature by distributing the heated air. "DRY" Operation: To dehumidify more than standard cooling operation. "FAN" Operation: To circulate the room air. 1. Depress the "GROUP" switch and select the group. (Refer to item 2 of "A. Group Selection and Monitoring Unit Operation Status" in previous page.) The right figure shows the case of selecting group 4 2. Depress the "MODE" switch. The operation mode is changed in the followingn order. FAN COOL HEAT DRY NOTE: - The above indications show the case of setting operation mode for group 4. The same setting procedure shall be performed for other groups. In case of the same setting for all groups, select the group number of "AA". - Some operation modes can not be set according to the unit model. Contact to HITACHI dealer or your distributor for details. - The operation mode can be set while the unit is stopped or in operation. 11.5.3. SETTING OF TEMPERATURE, FAN SPEED AND LOUVER ANGLE NOTE: - Do not touch the "CHECK" switch. The "CHECK" switch is only for service use. - When the "CHECK" switch is depressed by a mistake and the central station is changed to the check mode, depress the "RESET" switch to cancel. 1. Depress the "GROUP" switch and select the group. (Refer to item 2 of "A. Group Selection and Monitoring Unit Operation Status" in previous page) The right figure shows the case of selecting group 4 <TEMPERATURE> Set temperature by depressing "TEMP" switch. Depressing " " switch, the temperature is increased by 1 C (Maximum: 30 C). Depressing " " switch, the temperature is decreased by 1 C (Minimum: 19 C, for Cool, Dry and Fan mode, and 17 C for Heat mode). When depressing for 3 seconds at set temperature at 30 C, or depressing for 3 seconds at the minimum temperature, the temperature is not set and the indication of setting temperature is "--". In this case, depress or, the indication of setting temperature returns to the minimum temperature or 30 C. The right figure shows the case of setting 22 C NOTE: The examples show the setting range for standard model. The setting range may be different according to the connected unit model.

REMOTE CONTROLLERS OPERATION 11/21 <FAN SPEED> Depress the "FAN SPEED" switch. By depressing the "FAN SPEED" switch, the indication is changed in the following order: HIGH MED LOW The right figure shows the case of setting "HIGH" speed. NOTE: In case of dry operation, the fan speed is automatically changed and fixed at the "LOW" fan speed. In this case, the fan speed can not be changed (The indication remains at the setting condition). <LOUVER ANGLE> Depress the "AUTO LOUVER" switch. Every time the "AUTO LOUVER" switch is depressed, the indication of the louver angle is changed. Depress the "AUTO LOUVER" switch at the position of, the indication is changed to and this indication indicates the auto-swing. Depress the "AUTO LOUVER" switch again, the indication is turned to The right figure shows the case of setting auto.swing NOTE: - The above indications show the case of setting operation mode for group 4. The same setting procedure shall be performed for other groups. In case of the same setting for all groups, select the group number of "AA" - The temperature, fan speed and louver angle can be set while the unit is stopped or in operation. In the Case of 4-Way Cassette Type (Example) NOTE: - The fixing angle of the louver shown beside is the case of 4-way cassette type Indoor Unit. The fixing angle is different according to unit model. Refer to the operation manual of each model for details. - There exists a time lag between the indicated louver position on LCD and the actual louver angle in operation. Therefore, when fixing the louver, set the angle according to the indicated louver angle on LCD. - When the "AUTO LOUVER" switch is depressed, the louver may not stop immediately. Indication Louver Angle (approx.) Cooling / Dry Heating Approx. 20 Approx. 25 Approx. 30 Approx. 35 Angle Range Angle Range :Recommended Angle Approx. 45 Approx. 55 Approx. 70 ATTENTION: The louver angle is automatically changed during heating operation for unit control. When heating operation is started When dry operation is started When temperature controller is activated The louver angle is automatically changed. When the discharged air temperature is increased over 30 C, the louver angle automatically return to the set position. The LCD indication remains at the setting condition.

11/22 REMOTE CONTROLLERS OPERATION 11.5.4. UNIT OPERATION 1. Depress the "GROUP" switch and select the group. (Refer to item 2 of "Group Selection and Monitoring Unit Operation Status" in previous pages The right figure shows the case of selecting group 4 2. Depress the "RUN/STOP" switch. In case that the selected group is in operation, the group is stopped by depressing "RUN/STOP" switch. In case that the selected group is not in operation, the group is started by depressing "RUN/STOP" switch. In case of group "AA", depress "RUN/STOP" switch, and; a. All the groups are stopped. (When all the groups are stopped (RUN lamp is OFF)) b. All the groups are started operation. (When more than 1 group is in operation (RUN lamp is ON)). NOTE: - The above indications show the case of setting operation mode for group 4. - The same setting procedure shall be performed for other groups. In case of the simultaneous operation for all groups, select the group number "AA". 11.5.5. PROHIBITING OPERATION BY REMOTE CONTROL SWITCH <FUNCTION> To prohibit the operation by the remote control switch. When this function is available, the "CENTRAL" indication appears on the LCD on the remote control switch and the operation by the remote control switch is not available. 1. Depress the "GROUP" switch and select the group. (Refer to item 2 "Group Selection and Monitoring Unit Operation Status" in previous pages) The right figure shows the case of selecting group 4 2. Depress the "RNT.SW NAVL" switch. Every time the "RMT. SW NAVL" switch is depressed, the "RMT. SW NAVL" indication is turned ON and OFF alternately. The above indications show the case of setting operation mode for group 4. The same setting procedure shall be performed for other groups. In case of the same setting for all groups, select the group number of "AA". Although the "RMT. SW NAVL" function is set, in case of operation by the central station, the unit can be stopped by the remote control switch, and in this case, the unit can be started again by the remote control switch. For the unit without remote control switch, the "RMT. SW NAVL" function shall be set. In case of using together with other controllers, do not set the "RMT. SW NAVL" function. Additionally, do not set "RMT. SW NAVL" function by other controller or the malfunction may occur. In case of no setting of temperature ("--"), the temperature can be set by the remote control switch during the "RMT. SW NAVL" function is available. ATTENTION

REMOTE CONTROLLERS OPERATION 11/23 11.5.6. TIMER OPERATION <FUNCTION> To set the schedule operation "available" or "not available" by the signal from the control timer in case of connection with the control timer (PSC-5T; Option). The schedule operation can be set "available" or "not available" individually for each unit, however, the operation schedule is all the same. 1. Depress the "GROUP" switch and select the group. (Refer to item 2 of "Group Selection and Monitoring Unit Operation Status" in previous pages) The right figure shows the case of selecting group 4. 2. Depress the "TIMER" switch. Every time the "TIMER" switch is depressed, the "TIMER" indication is turned ON and OFF alternately. The group with timer setting is operated according to setting by the signal from the control timer. The right figure shows the case of setting timer operation NOTE: - The above indications show the case of setting operation mode for group 4. - The same setting procedure shall be performed for other groups. In case of the simultaneous operation for all groups, select the group number "AA". 11.5.7. OTHER LDC INDICATIONS <EMERGENCY> The "EMERGENCY" is indicated when the emergency stop signal is input by the outside input function. During the emergency stoppage, indoor units are stopped and the operation by the remote control switch is not available. Contact your distributor or dealer of HITACHI for details. <DEMAND> The "DEMAND" is indicated when the demand input is set by the outside input function. The indication is indicated for the group with demand setting and the "DEMAND" indication flickers when the demand signal is input. Contact your distributor or dealer of HITACHI for details. <FILTER> Filter Clogging: When the " FILTER" indicator is indicated, it shows that the air filter of the indoor unit is clogged. Clean the air filter. After cleaning, depress the "RESET" switch and the "FILTER" indication is turned OFF.

11/24 REMOTE CONTROLLERS OPERATION 11.5.8. INDICATION IN ABNORMAL CONDITIONS <ABNORMAL> The Run Lamp (Red Lamp) is flickered when there is a group in abnormal condition. The "ALARM" is indicated on the LCD. The "" indication of the group in abnormal condition is flickered. Depress the "GROUP" switch and select the group with alarm, the indication of unit No. model code, alarm code and the normal indication is repeatedly indicated (There is a case that the model code may not be indicated according to the unit model). In case that multiple units are in abnormal conditions, the above indication is indicated by turns. Check the contents of LCD indication and contact your distributor or dealer of HITACHI for details. <POWER FAILURE> All the indications are disappeared. In case of unit stoppage due to the power failure, the unit is not started again after the power recovery. Perform the starting operation again. In case of instant power failure within 2 seconds, the unit is automatically started again. <ELECTRICAL NOISE> All the indications are disappeared, and the unit operation may be stopped for the device protection due to the electrical noise. Perform the starting operation again. Ref. No. Model Code I.U. Add. Alarm Code 11.6 OPTIONAL ACCESSORIES FOR RCS 11.6.1. REMOTE CONTROL CABLE (PRC-10E1~PRC-30E1) For PC-P1HE, PSC-5S, PC-P5H and PC-RLH9/11 Connect a control twisted cable (0.75 mm² 2 wires) in the field, with soldering, or use an optional extension remote control cable. For the details of the optional remote control cable, refer to the following table: Model Length (m) Type of Cable Specifications PRC-10E1 10 TPC PRC-15E1 15 TPC Diameter Ø5 Beige Colour (2 Twisted Wires) Diameter Ø1.32 (Ø0.18 12 Wires) PRC-20E1 20 TPC Indoor Unit PCB Side Remote Control Switch Side *PRC-30E1 30 TPC A B Wire Colour Black White *:Production is started after receipt of orders. TPC: Twisted Pair Cable

REMOTE CONTROLLERS OPERATION 11/25 11.6.2. REMOTE CONTROL CABLE (PRC-10E~PRC-30E) For PC-RLH4 and old PC-2H2 The length of the remote control cable for PC-2H2 box is 8 m. If the remote control cable longer than 8 m is needed, connect a control cable (0.3 mm² 3 wires) in the field, with soldering, or use an optional extension remote control cable. For the details of the optional remote control cable, refer to the following table: Model Length (m) Specifications PRC-10E 10 Diameter Ø5 Beige Colour (3 Wires) Diameter Ø1.32 (Ø0.18 12 Wires) PRC-15E 15 Yellow (3P) PRC-20E 20 Indoor Unit PCB Side Connector 3P Female 1 2 3 Remote Control Switch Side Wire Colour Red Black White *PRC-30E 30 Connector: EHR-3 of NIPPON Clamp Terminal (J.S.T.) *: Production is started after receipt of orders. NOTE: PC-2H2 has the same functions than PC-P1HE 11.6.3. 3P CONNECTOR CABLE This connector is utilized when the remote ON/OFF device is connected or signals are taken out on the printed circuit boards of indoor and outdoor units. Model Name Application Able to connect Remarks PCC-1A 3P Connector cable Optional functions of Outdoor Unit PCB JST connector XARP-3 One set contains five 3P connector cables

UNITS INSTALLATION 12/1 12 UNITS INSTALLATION CONTENTS 12 UNITS INSTALLATION 1 12.1 TRANSPORTATION AND HANDLING 3 12.2 RCI (4-Way Cassette Type) 4 12.2.1 Factory-Supplied Accessories 4 12.2.2 Initial Check 4 12.2.3 Opening of false ceiling and suspension bolt 4 12.2.4 Installation 5 12.2.5 Air Panels for Installation 6 12.3 RCD (2-Way Cassette Type) 8 12.3.1 Factory-supplied accessories 8 12.3.2 Initial Check 8 12.3.3 Opening of False Ceiling and Suspension Bolt 8 12.3.4 Installation 9 12.3.5 Air Panels for Installation 10 12.4 RPC (Ceiling Type) 11 12.4.1 Factory Supplied Accessories 11 12.4.2 Initial Check 11 12.4.3 Installation 11 12.5 RPI (In-the-Ceiling) 13 12.5.1 Factory Supplied Accessories 13 12.5.2 Initial Check 13 12.5.3 Installation 13 12.5.4 Connecting Supply Duct 14 12.5.5 Fix flexible duct to external faces of flanges 14 12.5.6 Air suction direction change 14 12.6 RPK (Wall Type) 15 12.6.1 Factory-supplied accessories 15 12.6.2 Initial Check 15 12.6.3 Installation 15 12.7 RPF (Floor Type) / RPFI (Floor Concealed Type) 17 12.7.1 Factory-supplied accessories 17 12.7.2 Initial Check 17 12.7.3 Installation 17 12.8 RAS Outdoor Unit Installation 19 12.8.1 Factory Supplied Accessories 19 12.8.2 Installation Space 20 12.8.3 Installation Place Provision 21 12.9 Optional Accessories 22 12.9.1 Remote Sensor (THM-R2E) 22 12.9.2 Fresh Air intake for 4-Way Cassette Type Indoor Units 22 12.9.3 Branch Discharge Duct For 4-Way Cassette Type Indoor Units. 23 12.9.4 Direction Air Flow For 4-Way Cassette Type Indoor Units. 25 12.10 Outdoor Unit Drain-Kit (DBS-26) 26

12/2 UNITS INSTALLATION WARNING: - Check to ensure that the accessories are packed with the indoor unit. - Do not install the indoor units outdoors. If installed outdoors, an electric hazard or electric leakage will occur. - Consider the air distribution from each indoor unit to the space of the room, and select a suitable location so that uniform air temperature in the room can be obtained. It is recommended that the indoor units be installed 2.3 to 3 meters from the floor level. If the unit is installed higher than 3 meters, it is also recommended that a fan be utilised to obtain uniform air temperature in the room. - Avoid obstacles which may hamper the air intake or the air discharge flow. - Pay attention to the following points when the indoor units are installed in a hospital or other places where there are electronic waves from medical equipment, etc. - Do not install the indoor units where electromagnetic wave is directly radiated to the electrical box, remote control cable or remote control switch. - Install the indoor units and components as far as practical or at least 3 meters from the electromagnetic wave radiator. - Prepare a steel box and install the remote control switch in it. Prepare a steel conduit tube and wire the remote control cable in it. Then connect the ground wire with the box and tube. - Install a noise filter when the power supply emits harmful noises. - This unit is exclusive non electrical heater type indoor unit. It is prohibited to install a electrical heater in the field. - Mount suspension bolts using M10 (W3/8) as size, as shown below: I-Beam Suspension Bolts (W3/8 or M10) For Concrete Slab 150~160mm Steel Wooden Bar (60 mm to 90 mm Square) Anchor Bolt Concrete Nuts Wooden Beam Square washers Sling Bolt (W3/8 or M10) CAUTION: - Do not install the indoor units in a flammable environment to avoid a fire or an explosion. - Check to ensure that the ceiling slab is strong enough. If not strong enough, the indoor unit may fall down on you. - Do not install the indoor units, outdoor unit, remote control switch and cable within approximately 3 meters of strong electromagnetic wave radiators such as medical equipment. - Do not install the indoor units in a machinery shop or kitchen where vapor from oil or mist flows to the indoor units. The oil will deposit on the heat exchanger, thereby reducing the indoor unit performance, and may deform. In the worst case, the oil damages the plastic parts of the indoor unit. - To avoid any corrosive action to the heat exchangers, do not install the indoor units in an acid or alkaline environment.

UNITS INSTALLATION 12/3 12.1 TRANSPORTATION AND HANDLING Transport the product as close to the installation location as practical before unpacking. CAUTION: - Do not put any material on the product. - Apply two lifting wires onto the outdoor unit, when lifting it by crane. Hanging Method When hanging the unit, ensure a balance of the unit, check safety and lift up smoothly. 1 Do not remove any packing materials. 2 Hanging Method Hang the unit under packing condition with four (4) ropes. Push through the wire ropes into the hang hole and clamp the wires by using shackle as shown below. Hanging Work without Wooden Base Attach crate packing or cloth here. WARNING: Do not put any foreign material into the outdoor unit and check to ensure that none exists in the outdoor unit before the installation and test run. Otherwise, a fire or failure, etc. may occur. Hanging Work for Transportation NOTE: In case of transportation after unpacking, protect the unit with the splints or cloth.

12/4 UNITS INSTALLATION 12.2 RCI (4-WAY CASSETTE TYPE) 12.2.1 FACTORY-SUPPLIED ACCESSORIES (Models: RCI-1.5~5.0FSG2Ei) Accessory Quantity Purpose Suspension Bracket (1) Suspension Bracket (2) Flat Washer 4 Spring Washer 4 1 1 For Unit Suspension - Check space between ceiling and false ceiling is enough as indicated below. - Check the ceiling surface is flat for the air panel installation work. Clearance 10-20 mm Unit High In False Ceiling Unit HP A(mm) RCI-1.0~3.0HP 298 RCI-4.0/5.0HP 348 Nut 4 Wire Clamp 1 Cord Clamp 2 Pattern Paper for Installation Screw 4 1 For Drain Hose Connection For Fixing Remote Control Switch Cable and Louver Sensor Cable Installation for Indoor Unit For Fixing Pattern Paper - Check down slope Pitch of Drain Piping is following the specifications indicated in chapter Drain Piping 12.2.3 OPENING OF FALSE CEILING AND SUSPENSION BOLT Cut out the area for the indoor unit in the false ceiling and install suspension bolts, as shown below. Dimension of Opening A Dimension of Suspension Bolts B Suspension Bracket Ring Core 2 Applicable Air Panel (Option) Applicable Air Panel (Option) Indoor Unit For Wired Remote Control Switch For Wireless Remote Control Switch RCI-1.5FSG2Ei RCI-2.0FSG2Ei RCI-2.5FSG2Ei RCI-3.0FSG2Ei RCI-4.0FSG2Ei RCI-5.0FSG2Ei Without heater With heater Without heater With heater P-G23WA2E P-G23WA2E1 P-G23WAH2E P-G23WAH2E1 P-G46WA2E P-G46WA2E1 P-G46WAH2E P-G46WAH2E1 12.2.2 INITIAL CHECK Install the indoor unit with a proper clearance around it for operation and maintenance working space, as shown below (Space around Indoor Unit). Provide a service access door near the unit piping connection area on the ceiling. Piping Connection Piping Connection Dimension of Opening A Piping Connection Side Indoor Unit RCI-1.5FSG2Ei RCI-2.0FSG2Ei RCI-2.5FSG2Ei RCI-3.0FSG2Ei RCI-4.0FSG2Ei RCI-5.0FSG2Ei A (mm) Dimension of Suspension Bolts: 560 mm Opposite Side from Piping Connection B (mm) 910 875 1230 1195 Check to ensure that the ceiling is horizontally level, otherwise water can not flow. Strengthen the opening parts of the false ceiling. Distance from Wall Side

UNITS INSTALLATION 12/5 12.2.4 INSTALLATION Mounting of Suspension Brackets (Factory- Supplied) Mount the suspension brackets to the sling bolts and secure them with nuts (*Field Supplied) as shown below - Adjust the indoor unit to the correct position while checking with the pattern for installation. Pattern paper Sling Bolt (M10) Lock Nut* Suspension Bracket (2) Washer* Suspension Bracket (1) Hole for Suspension Bolts Washer Nut 20 mm Nut for sling Bolt 30 mm Mounting of Indoor Unit Lift the indoor unit by hoist, and do not put any force on the drain pan Consider piping connection side before lift indoor unit Hook the indoor unit on the suspension brackets, by setting the mounting bolts on the notches of the bracket, as shown below Suspension brackets False ceiling 1. For Ceiling already Completed with Panels Attach this side of the scale to the inner side of the opening of the ceiling Indoor Unit Attach this side of the scale to the outer side of the unit Checking Scale Attach this side of the scale to the lower side of the unit Ceiling panel Checking Scale Indoor Unit Attach this side of the scale to the ceiling Drain piping connection Liquid piping Gas piping connection Check the dimension of opening at each side of the unit Check the height of the ceiling at each corner of the unit Panel (to be installed later, shown only as a reference) Mounting bolts Open the knockout hole for wiring (Ø32,5) Wiring hole 2. Ceiling Not Completed with Panels yet Dimension of Opening NOTE: If a false ceiling has already been installed, complete all piping and wiring work inside the ceiling before hooking-up the indoor unit. Secure the indoor unit using the nuts, flat washers and spring washers. (These nuts and washers are supplied, 4 pieces each). Pattern Paper for installation Dimension of Opening Pattern Paper for installation Adjusting of Space Between Indoor Units and False Ceiling Opening - Check the level of the drain pan by a water level to avoid incorrect operation of the drain discharge mechanism in the indoor unit. - Tighten the nuts of the suspension brackets after the adjustment is completed. Special plastic paint must be applied to the bolts and nuts in order to prevent them from loosening. If not done, abnormal noises or sounds may occur and the indoor unit may come loose. Surface of Ceiling Screw (M6) Adjust the lower Surface Of the ceiling at this line

12/6 UNITS INSTALLATION 12.2.5 AIR PANELS FOR INSTALLATION P-G23WA(H)2E(1), P-G46WA(H)2E(1) CAUTION: When the air panel is unpacked, place it on insulation material, etc. to protect the sealing insulation from scratches. Factory-Supplied Accessories Installing Air Panel following the next steps: 1. Hang the air panel from the indoor unit by hooking the U-shaped wires of the air panel into the hook wires of the indoor unit. 2. Check to ensure that the location of the orange colored mark of the indoor unit coincides with the location of the same colored mark of the air panel. 3. Raise up the air panel onto the indoor unit, then fix the air panel by using factory-supplied long screws. Check to ensure that the following accessories are packed with the air panel. Accessory Quantity Purpose Indoor Unit Air Outlet Electrical Control Box Long Screw (M6 30) 4 For Fixing Panel Hook Wires Air Panel U-Shaped Wire Auto Swing Motor Air Discharge Orange coloured mark of Air Panel Long Screw Air Discharge Air Intake Grille Air Discharge Indoor Unit Air Discharge Wireless Receiver Part Insulation Material (8 parts) Lower Surface Indoor Unit Sealing Gasket Plates for fixing Air Panel Check to ensure that the suspension brackets (fieldsupplied) of the indoor unit are located approximately 138mm higher than the false ceiling. Remove Air Intake Grille from Air Panel following the next Steps: 1. Open the air intake grille to an angle of 30º to 45º from the surface of the air panel. Ceiling Air Pane (Optional Accessory)l Long Screw 4. Check to ensure that there is no gap around the contacting surface between the indoor unit and the air panel. Any gap may cause air leakage or dewing. Ceiling Air Panel Take up the grille keeping it inclined 30º ~ 45º To protect the panel from being damaged, the long screws for securing the air panel have stoppers so that tightening is stopped at the setting position. If the air panel does not reach the surface of the ceiling or air leakage from the contacting surface occurs, readjust the installation height level of the indoor unit. Wrong Air Filter Air Intake Grille Correct 2. Lift the grille keeping it inclined. 3. Draw the grille towards the open space after lifting.

UNITS INSTALLATION 12/7 CAUTION: Do not turn the air louver by hand. If moved, the louver mechanism will be damaged. Connect the following connectors which are used with the air panel Electrical Box for Indoor Unit 5. Wiring connection for Air Panel CAUTION: Before connecting connectors, firstly turn OFF power source. If the connectors are connected without turning OFF the power source, the auto-swing louver can not function. Connector for Dew Protection Heater (High Voltage 2pin RED) View from lower surface of Air Panel without Air Intake Grille (CN17) (CN13) Connector for Auto Swing Motor (Low Voltage 7pin RED) (PCN5) Electrical Box for Indoor Unit Printed Circuit Board Connector only for Wireless receiver Type (Low Voltage 3 pin BLUE)

12/8 UNITS INSTALLATION 12.3 RCD (2-WAY CASSETTE TYPE) 12.3.1 FACTORY-SUPPLIED ACCESSORIES (Models: Paper Pattern (Carton Board) Level Scaler (Take out of Paper Pattern) Cross Recessed Head Screws (M6) RCD-1.5~5.0FSG2) Accessory Quantity Purpose Flat Washer 8 Wire Clamp 1 Insulation (26IDx100mm) Insulation (28IDx85mm) Cord Band 8 Packing (5Tx50x200) 1 Applicable Air Panel (Option) Indoor Unit RCD-1.5~2.5 RCD-3.0~5.0 1 1 6 1 1 For Adjusting Space of False Ceiling Opening and Position of the Unit For Fitting Paper Pattern For Unit Suspension For Drain Hose Connection For Refrigerant Piping Connection For Fixing Remote Control Switch wiring and Insulation of Piping For Covering Wiring Connection Applicable Air Panel (Option) For Wired Remote Control Switch P-G23DWA1 P-G46DWA1 12.3.2 INITIAL CHECK Install the indoor unit with a proper clearance around it for operation and maintenance working space, as shown in next page. Provide a service access door or panel near the unit piping connection and the electrical control box on the ceiling. Separated Installation Closed Installation - Check space between ceiling and false ceiling is enough as indicated below. - Check the ceiling surface is flat for the air panel installation work. Indoor Unit Air Panel (Option) - Check down slope Pitch of Drain Piping is following the specifications indicated in chapter Drain Piping CAUTION: A minimum distance between the wall and panel edge must be 1500 m to prevent short-circuiting. 12.3.3 OPENING OF FALSE CEILING AND SUSPENSION BOLT Cut out the area for the indoor unit in the false ceiling and install suspension bolts, as shown below. A (Opening) B (Suspension) Piping 530 (Suspension) 650 (Opening) Service Access Panel Service Access Panel Suspension Panel Wireless Receiver, with Wireless Receiver Type Piping Piping connection View from Top Model A (mm) B (mm) Piping Connection RCD-1.5FSG2 RCD-2.0FSG2 RCD-2.5FSG2 RCD-3.0FSG2 1060 889 Distance from Wall Side RCD-4.0FSG2 RCD-5.0FSG2 1620 1450 - Check to ensure that the ceiling is horizontally level, otherwise drain water cannot flow away. - Strengthen the opening parts of the false ceiling.

UNITS INSTALLATION 12/9 12.3.4 INSTALLATION Mounting of Suspension Brackets (Factory- Supplied) Mount the suspension brackets to the suspension bolts and fix them with nuts (Factory -Supplied), as shown below Unit Fixing Bracket for Panel Touch to Ceiling Suspension Bolts (Field-Suppl.) Nut (Field-Supplied) Washer (Field-Supplied) Suspension Bracket Nut (Field-Supplied) Washer (Field-Supplied) Ceiling Mounting of Indoor Unit - Lift the indoor unit by hoist, and do not apply any force on the drain pan. - Hook the indoor unit on the suspension brackets. - Fix the unit using the nuts, flat washers and spring washers (These nuts and washers are supplied (4 pieces each)). Aprox. 65 115 Aprox. 50 (mm) Opening Ceiling CAUTION: Check the level of the unit using a water level or transparent plastic tube containing water, as shown below, to avoid incorrect operation of the drain discharge mechanism in the indoor unit. The drain piping side of the indoor unit must be approximately 5 mm lower than the other parts. Tighten the nuts of the suspension brackets after adjustment is completed. Apply LOCK-TIGHT paint* to the bolts and nuts in order to prevent them from loosening. If not done, abnormal noises or sounds may occur and the indoor unit may fall down. Adjust the indoor unit to the correct position while checking with the checking scales (factory-supplied). Drain Pipe Adjustment Range (3~4mm) Suspension Bracket Fixing Bracket for Panel Bracket for Panel Paper Pattern M6 Screw (factory-supplied) Adjust 4 corners of the unit using clear vinyl tube with water inside. Adjusting of Space Between Indoor Unit and False Ceiling Opening. Adjust the indoor unit to the correct position while checking with the installation pattern and gauge (factorysupplied) as shown below. Clear Vinyl Tube (mm) Unit Suspension Bracket 115 Ceiling 28

12/10 UNITS INSTALLATION 12.3.5 AIR PANELS FOR INSTALLATION P-G23DWA1, P-G46DWA1 CAUTION: When the air panel is unpacked, place it on insulation material, etc. to protect the sealing insulation from scratches. Factory-Supplied Accessories Check to ensure that the following accessories are packed with the air panel. Installing Air Panel following the next steps: 1. Hang the air panel from the indoor unit by hooking the U-shaped wires of the air panel into the hook wires of the indoor unit. 2. Check to ensure that the location of the electrical box of the Indoor unit coincides with the location of the wiring outlet of the air panel. 3. Raise up the air panel onto the indoor unit, then fix the air panel by using factory-supplied long screws. Indoor Unit Accessory Quantity Purpose Long Screw (M6 50) 4 For Fixing Panel Long Screw (M6 30) 2 For Fixing Panel (only for P-G46) Auto Swing Motor Air Discharge Wireless Receiver Part Long Screw (A) x4 (M6x50 Long Screw (B) x4 (M6x30, Only for P-G46) 4. Check to ensure that there is no gap around the contacting surface between the indoor unit and the air panel. Any gap may cause air leakage or dewing. Air Discharge To protect the panel from being damaged, the long screws for securing the air panel have stoppers so that tightening is stopped at the setting position. If the air panel does not reach the surface of the ceiling or air leakage from the contacting surface occurs, readjust the installation height level of the indoor unit. Check to ensure that the suspension brackets (fieldsupplied) of the indoor unit are located approximately 175 mm higher than the false ceiling. Remove Air Intake Grille from Air Panel following the next Steps: 1. Open the air intake grille to an angle of approx. 40º from the surface of the air panel. CAUTION: Do not turn the air louver by hand. If moved, the louver mechanism will be damaged. Ceiling Take up the grille keeping it inclined Air louver Air Panel Approx. 40º Wrong Air Filter Air Intake Grille Correct 5. Wiring connection for Air Panel 2. Lift the grille keeping it inclined. 3. Draw the grille towards the open space after lifting. CAUTION: Before connecting connectors, firstly turn OFF power source. If the connectors are connected without turning OFF the power source, the auto-swing louver can not function.

UNITS INSTALLATION 12/11 Connect the following connectors which are used with the air panel Hook Wires Outlet for Electrical Wiring Electrical Box of Indoor Unit Electrical Box of Indoor Unit Outlet for Electrical Wiring Printed Circuit Board Without Air Intake Grill Connector for Auto Swing Motor (low Voltage 7 pin, RED) (CN17) 12.4 RPC (CEILING TYPE) 12.4.1 FACTORY SUPPLIED ACCESSORIES (Models: RPC-2.0~5.0FSG2Ei) Accessory Q'ty Purpose Suspension Bracket 2 Fixing Screw (M4 x 10mm) Drain Hose 1 Wire Clamp 2 Insulation Material (5Tx200x200m) Seating Plate (0.8Tx118x42mm) Ring Core 2 2 1 1 For Unit Suspension For Connecting Drain Hose and drain Pipe For Drain Pipe Connection For Sealing Knockout Hole 12.4.2 INITIAL CHECK Install the indoor unit with proper clearance around it for operation and maintenance working space, as shown below. 12.4.3 INSTALLATION Mounting suspension bracket (Factory Supplied) When installing the indoor unit, use the installation pattern printed on the inner side of the carton box, cutting the carton box along dotted lines when unpacking is performed Installation pattern is giving the following information: - Pintch of sling bolt for case (a) and case (b) showed below. - Hole Positions of Refrigerant Piping - Hole Positions of Drain Piping Suspension bracket has the following two (2) possible positions: Case (a) Case (b) Dotted line Min. 500 Min. 8 (mm) Same in both case Min.400 Min. 40 Check down slope pitch of drain piping is following the specification indicate in chapter 'Drain Piping' Min. 300 (mm) Model A B C D E F RPC-2.0 1094 920 1010 150 220 255 RPC-2.5 RPC-3.0 1314 1140 1230 150 220 255 RPC-4.0 1314 1140 1230 110 280 235 RPC-5.0 1574 1400 1490 110 280 235