TECHNICAL & SERVICE MANUAL SAP K181A + SAP C181A

Transcription

1 TECHNICAL & SERVICE MANUAL SAP K181A SAP K241A + SAP C181A + SAP C241A FILE NO. Destination: Australia SPLIT SYSTEM AIR CONDITIONER Indoor Model No. Product Code No. SAP K181A S SAP K241A S Outdoor Model No. Product Code No. SAP C181A S SAP C241A S Indoor Unit Outdoor Unit SAP K181A SAP K241A SAP C181A SAP C241A REFERENCE NO. SM700432

2

3 Important! Please Read Before Starting This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently. For safe installation and trouble-free operation, you must: Carefully read this instruction booklet before beginning. Follow each installation or repair step exactly as shown. Observe all local, state, and national electrical codes. Pay close attention to all warning and caution notices given in this manual. If Necessary, Get Help This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death. This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage. These instructions are all you need for most installation sites and maintenance conditions. If you require help for a special problem, contact our sales/service outlet or your certified dealer for additional instructions. In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service, including failure to follow the instructions in this document. Special Precautions WARNING WARNING CAUTION When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. ONLY A QUALIFIED, EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM. Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked. Highly dangerous electrical voltages are used in this system. Carefully refer to the wiring diagram and these instructions when wiring. Improper connections and inadequate grounding can cause accidental injury or death. Ground the unit following local electrical codes. Connect all wiring tightly. Loose wiring may cause overheating at connection points and a possible fire hazard. When Transporting Be careful when picking up and moving the indoor and outdoor units. Get a partner to help, and bend your knees when lifting to reduce strain on your back. Sharp edges or thin aluminum fins on the air conditioner can cut your fingers. When Installing In a Ceiling or Wall Make sure the ceiling/wall is strong enough to hold the units weight. It may be necessary to construct a strong wood or metal frame to provide added support. In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors. In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid, level foundation for the outdoor unit. This prevents water damage and abnormal vibration. In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame. Provide a suitable air baffle. In a Snowy Area (for Heat Pump-type Systems) Install the outdoor unit on a raised platform that is higher than drifting snow. Provide snow vents. When Connecting Refrigerant Tubing Use the flare method for connecting tubing. Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them, then tighten the nut with a torque wrench for a leakfree connection. Check carefully for leaks before starting the test run. When Servicing Turn the power off at the main power box (mains) before opening the unit to check or repair electrical parts and wiring. Keep your fingers and clothing away from any moving parts. Clean up the site after you finish, remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced. Others CAUTION Ventilate any enclosed areas when installing or testing the refrigeration system. Escaped refrigerant gas, on contact with fire or heat, can produce dangerously toxic gas. Confirm upon completing installation that no refrigerant gas is leaking. If escaped gas comes in contact with a stove, gas water heater, electric room heater or other heat source, it can produce dangerously toxic gas. i

4 Table of Contents Page 1. OPERATING RANGE SPECIFICATIONS 2-1. Unit Specifications Major Component Specifications Other Component Specifications DIMENSIONAL DATA REFRIGERANT FLOW DIAGRAM PERFORMANCE DATA 5-1. Performance charts Air Throw Distance Chart Cooling Capacity ELECTRICAL DATA 6-1. Electrical Characteristics Electric Wiring Diagrams INSTALLATION INSTRUCTIONS 7-1. Installation Site Selection Remote Control Unit Installation Position Recommended Wire Length and Diameter FUNCTION 8-1. Room Temperature Control Dry Operation Freeze Prevention Outdoor Fan Speed Control TROUBLESHOOTING 9-1. Check before and after troubleshooting Air conditioner does not operate Some part of air conditioner does not operate Air conditioner operates, but abnormalities are observed If a sensor is defective CHECKING ELECTRICAL COMPONENTS Measurement of Insulation Resistance Checking Continuity of Fuse on PCB Ass'y Checking Motor Capacitor APPENDIX INSTRUCTION MANUAL ii

5 1. OPERATING RANGE Cooling Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp. Maximum 32 C D.B. / 23 C W.B. 43 C D.B. Minimum 19 C D.B. / 14 C W.B. 19 C D.B. 1

6 2. SPECIFICATIONS 2-1. Unit Specifications Indoor Unit Outdoor Unit SAP K181A SAP C181A Power Source Voltage rating 240V Single phase 50Hz 240 V Performance Cooling Capacity kw 5.0 BTU/h 17,100 Air circulation (High) m 3 /h 760 Moisture removal (High) Liters/h 2.7 Electrical Rating Cooling Available voltage range V 216 ~ 264 Running amperes A 9.6 Power input W 2,180 Power factor % 95 C.O.P. W/W 2.3 Compressor locked rotor amperes A 48 Features Controls / Temperature control Microprocessor / I.C. thermostat Control unit Wireless remote control unit Timer 1-hour OFF / 12-hours ON or OFF Fan speeds Indoor / Outdoor 3 and Auto / Auto(Hi, Lo) Airflow direction (Indoor) Horizontal Manual Vertical Auto Air filter Washable, Anti-Mold Compressor Rotary (Hermetic) Refrigerant / Amount charged at shipment g R22 / 1,140 Refrigerant control Capillary tube Operation sound Indoor : Hi / Me / Lo db-a 41 / 38 / 36 Outdoor : Hi db-a 53 Refrigerant tubing connections Flare type Max. allowable tubing length at shipment m 7.5 Refrigerant Narrow tube mm (in.) 6.35(1/4) tube diameter Wide tube mm (in.) 12.7(1/2) Refrigerant tube kit / Accessories Optional / Hanging wall bracket Dimensions & Weight Indoor Unit Outdoor Unit Unit dimensions Height mm Width mm Depth mm Package dimensions Height mm Width mm 1, Depth mm Weight Net kg Shipping kg Shipping volume m Remarks: Rating conditions are: Cooling : Indoor air temperature 27 C D.B. / 19 C W.B. Outdoor air temperature 35 C D.B. / 24 C W.B. DATA SUBJECT TO CHANGE WITHOUT NOTICE. 2

7 Indoor Unit Outdoor Unit SAP K241A SAP C241A Power Source Voltage rating 240V Single phase 50Hz 240 V Performance Cooling Capacity kw 6.3 BTU/h 21,500 Air circulation (High) m 3 /h 830 Moisture removal (High) Liters/h 3.3 Electrical Rating Cooling Available voltage range V 216 ~ 264 Running amperes A 13.2 Power input W 2,830 Power factor % 97 C.O.P. W/W 2.2 Compressor locked rotor amperes A 73 Features Controls / Temperature control Microprocessor / I.C. thermostat Control unit Wireless remote control unit Timer 1-hour OFF / 12-hours ON or OFF Fan speeds Indoor / Outdoor 3 and Auto / Auto(Hi, Lo) Airflow direction (Indoor) Horizontal Manual Vertical Auto Air filter Washable, Anti-Mold Compressor Rotary (Hermetic) Refrigerant / Amount charged at shipment g R22 / 1,785 Refrigerant control Capillary tube Operation sound Indoor : Hi / Me / Lo db-a 43 / 41 / 39 Outdoor : Hi db-a 54 Refrigerant tubing connections Flare type Max. allowable tubing length at shipment m 10 Refrigerant Narrow tube mm (in.) 6.35(1/4) tube diameter Wide tube mm (in.) 15.88(5/8) Refrigerant tube kit / Accessories Optional / Hanging wall bracket Dimensions & Weight Indoor Unit Outdoor Unit Unit dimensions Height mm Width mm Depth mm Package dimensions Height mm Width mm 1, Depth mm Weight Net kg Shipping kg Shipping volume m Remarks: Rating conditions are: Cooling : Indoor air temperature 27 C D.B. / 19 C W.B. Outdoor air temperature 35 C D.B. / 24 C W.B. DATA SUBJECT TO CHANGE WITHOUT NOTICE. 3

8 2-2. Major Component Specifications Indoor Unit Indoor Unit SAP K181A Controller PCB Part No. Controls Control circuit fuse Remote Control Unit POW-K181GJ Microprocessor 250 V 3.15 A RCS-7S3E Fan & Fan Motor Type Cross-flow Q'ty... Dia. and length mm 1... ø88 / L746 Fan motor model... Q'ty UF2-31A5P-S... 1 No. of poles... rpm (240 V, High) ,440 Nominal output W 30 Coil resistance (Ambient temp. 20 C) Ω WHT-BRN : WHT-PNK : Safety devices Type Internal protector Operating temp. Open C 130±8 Close Automatic reclosing Run capacitor µf 2.0 VAC 440 Flap Motor Type Stepping motor Model MP24GA2 Rating DC 12 V Coil resistance (Ambient temp. 25 C) Ω Each terminals (1 2, 1 3, 1 4, 1 5) : 400 ± 7% Heat Exch. Coil Coil Aluminum plate fin / Copper tube Rows 2 Fin pitch mm 1.3 Face area m DATA SUBJECT TO CHANGE WITHOUT NOTICE. 4

9 Indoor Unit SAP K241A Controller PCB Part No. Controls Control circuit fuse Remote Control Unit POW-K241GJ Microprocessor 250 V 3.15 A RCS-7S3E Fan & Fan Motor Type Cross-flow Q'ty... Dia. and length mm 1... ø88 / L746 Fan motor model... Q'ty UF2-31A5P-S... 1 No. of poles... rpm (240 V, High) ,440 Nominal output W 30 Coil resistance (Ambient temp. 20 C) Ω WHT-BRN : WHT-PNK : Safety devices Type Internal protector Operating temp. Open C 130±8 Close Automatic reclosing Run capacitor µf 2.0 VAC 440 Flap Motor Type Stepping motor Model MP24GA2 Rating DC 12 V Coil resistance (Ambient temp. 25 C) Ω Each terminals (1 2, 1 3, 1 4, 1 5) : 400 ± 7% Heat Exch. Coil Coil Aluminum plate fin / Copper tube Rows 2 Fin pitch mm 1.3 Face area m DATA SUBJECT TO CHANGE WITHOUT NOTICE. 5

10 Outdoor Unit Outdoor Unit SAP C181A Compressor Type Rotary (Hermetic) Compressor model C-2R170H5T Nominal output W 1,700 Compressor oil... Amount cc SUNISO 4GSD-T Coil resistance (Ambient temp. 25 C) Ω C R : C S : Safety devices Type Internal protector Overload relay Operating temp. Open C Automatic opening Close C Automatic reclosing Operating amp.(ambient temp. 25 C) Run capacitor µf 40.0 VAC 400 Crank case heater Fan & Fan Motor Type Propeller Q'ty... Dia ø420 Fan motor model... Q'ty KFG6S-51A5P-S... 1 No. of poles... rpm (240 V, High) Nominal output W 50 Coil resistance (Ambient temp. 20 C) Ω WHT-BRN : WHT-YEL : YEL-PNK : Safety devices Type Internal protector Operating temp. Open C 130±8 Close C Automatic reclosing Run capacitor µf 4.0 VAC 440 Heat Exch. Coil Coil Aluminum plate fin / Copper tube Rows 1 Fin pitch mm 1.3 Face area m External Finish Acrylic baked-on enamel finish DATA SUBJECT TO CHANGE WITHOUT NOTICE. 6

11 Outdoor Unit SAP C241A Compressor Type Rotary (Hermetic) Compressor model C-R221H5S Nominal output W 2,200 Compressor oil... Amount cc SUNISO 4GSD-T... 1,350 Coil resistance (Ambient temp. 25 C) Ω C R : C S : Safety devices Type Internal protector External(OLR T) Overload relay OL-D24 Operating temp. Open C Automatic opening 150±5 Close C Automatic reclosing 63±11 Operating amp.(ambient temp. 25 C) Trip in 6 to 16 sec. at 59A Run capacitor µf 40.0 VAC 400 Crank case heater Fan & Fan Motor Type Propeller Q'ty... Dia ø420 Fan motor model... Q'ty KFG6S-51D5P-S... 1 No. of poles... rpm (240 V, High) Nominal output W 50 Coil resistance (Ambient temp. 20 C) Ω WHT-BRN : WHT-YEL : YEL-PNK : Safety devices Type Internal protector Operating temp. Open C 130±8 Close C Automatic reclosing Run capacitor µf 4.0 VAC 440 Heat Exch. Coil Coil Aluminum plate fin / Copper tube Rows 2 Fin pitch mm 1.2 Face area m External Finish Acrylic baked-on enamel finish DATA SUBJECT TO CHANGE WITHOUT NOTICE. 7

12 2-3. Other Component Specifications Indoor Unit SAP K181A SAP K241A Transformer (TR) ATR-J105 Rating Primary AC 230V, 50/ 60 Hz Secondary 19V, 0.526A Capacity 10VA Coil resistance Ω (at 21 C) Primary (WHT WHT): 205 ± 10% Secondary (BRN BRN): 2.0 ± 10% Thermal cut-off temp. 150 C Thermistor (Coil sensor) DTN-TKS131B Resistance kω 0 C 15.0 ± 2% Thermistor (Room sensor) DTN-TKS142B Resistance kω 25 C 5.0 ± 3% Outdoor Unit SAP C181A SAP C241A Power Relay (PR) G7L-2A-TUB Coil rating AC V, 50/60Hz Coil resistance Ω (at 23 C) 21 ± 15% Contact rating AC 220V, 25A Thermostat (Fan Speed Control 23S) MQT5S Switching temp. C high LOW 28.5 C ± 1.5 low HIGH 31.5 C ± 2 Contact rating AC 220V, 3A 8

13 3. DIMENSIONAL DATA Indoor Unit SAP K181A SAP K241A (3) Remote control unit Center of tubing hole (2 places) Drain hose ø18 Narrow tube ø6.35 (1/4") Wide tube ø12.7 (1/2") Wide tube ø15.88 (5/8") K181 K241 Unit : mm 9

14 Outdoor Unit SAP C181A 538 AIR INTAKE 136 AIR DISCHARGE ø12 Wide tube service valve ø12.7 (1/2") Narrow tube service valve ø6.35 (1/4") Unit : mm 10

15 Outdoor Unit SAP C241A Air intake Air discharge Wide tube service valve ø15.88 (5/8") Narrow tube service valve ø6.35 (1/4") Unit : mm 11

16 4. REFRIGERANT FLOW DIAGRAM Indoor Unit SAP K181A Outdoor Unit SAP C181A Indoor Unit Outdoor Unit Wide tube Wide tube service valve Accumulator Compressor O.D. ø12.7 mm (1/2 ") Capillary for liquid injection Evaporator Condenser Narrow tube Narrow tube service valve Capillary tube O.D. ø6.35 mm (1/4") Indoor Unit SAP K241A Outdoor Unit SAP C241A Indoor Unit Outdoor Unit Wide tube Wide tube service valve Muffler Accumulator Compressor O.D. ø15.88 mm (5/8 ") Capillary for liquid injection Evaporator Condenser Narrow tube Narrow tube service valve Strainer Capillary tube O.D. ø6.35 mm (1/4") Insulation of Refrigerant Tubing IMPORTANT Because capillary tubing is used in the outdoor unit, both the wide and narrow tubes of this air conditioner become cold. To prevent heat loss and wet floors due to dripping of condensation, both tubes must be well insulated with a proper insulation material. The thickness of the insulation should be a min. 8 mm. CAUTION After a tube has been insulated, never try to bend it into a narrow curve because it can cause the tube to break or crack. 12 Thickness: Min. 8 mm Wide tube Insulation Narrow tube Thickness: Min. 8 mm

17 5. PERFORMANCE DATA 5-1. Performance charts Indoor Unit Outdoor Unit SAP K181A SAP C181A Indoor Unit Outdoor Unit SAP K241A SAP C241A Cooling Characteristics Cooling Characteristics Indoor inlet air D.B. temp. ( C) Outdoor fan speed Indoor inlet air D.B. temp. ( C) Outdoor fan speed Operating current (A) Low High Operating current (A) Low High Outdoor inlet air D.B. temp. ( C) Outdoor inlet air D.B. temp. ( C) Low pressure at wide tube service valve MPa (kgf/cm 2 G) 1.47 (14) 1.38 (13) 1.28 (12) 1.18 (11) 1.08 (10) 0.98 ( 9 ) 0.89 ( 8 ) 0.79 ( 7 ) 0.69 ( 6 ) 0.59 ( 5 ) 0.49 ( 4 ) 0.39 ( 3 ) Outdoor fan speed Low Indoor inlet air D.B. temp. ( C) High Outdoor inlet air D.B. temp. ( C) Low pressure at wide tube service valve MPa (kgf/cm 2 G) 1.47 (14) 1.38 (13) 1.28 (12) 1.18 (11) 1.08 (10) 0.98 ( 9 ) 0.89 ( 8 ) 0.79 ( 7 ) 0.69 ( 6 ) 0.59 ( 5 ) 0.49 ( 4 ) 0.39 ( 3 ) Indoor inlet air D.B. temp. ( C) Outdoor fan speed Low High Outdoor inlet air D.B. temp. ( C) NOTE... Points of Rating condition Black dots in above charts indicate the following rating conditions. Cooling: Indoor air temperature 27 C D.B./ 19 C W.B. Outdoor air temperature 35 C D.B./24 C W.B. 13

18 5-2. Air Throw Distance Chart Indoor Unit SAP K181A Room air temp. : 27 C Fan speed : High Horizontal distance (m) Axis air velocity (m/s) Vertical distance (m) : Flap angle 0, : Axis air velocity 0 : Flap angle 30, : Axis air velocity 30 Indoor Unit Heating SAP K241A Room air temp. : 27 C Fan speed : High Horizontal distance (m) Axis air velocity (m/s) Vertical distance (m) : Flap angle 0, : Axis air velocity 0 : Flap angle 30, : Axis air velocity 30 14

19 5-3. Cooling Capacity Indoor Unit Outdoor Unit SAP K181A SAP C181A 240V Single phase 50Hz RATING CAPACITY 5.00 kw AIR FLOW RATE 760 m 3 /h EVAPORATOR CONDENSER ENT. TEMP. C OUTDOOR AMBIENT TEMP. C W.B. D.B TC CM SHC SHC SHC SHC SHC SHC TC CM SHC SHC SHC SHC SHC SHC TC 5.25 # CM SHC SHC SHC SHC SHC SHC TC CM SHC SHC SHC SHC SHC TC CM SHC SHC SHC SHC TC : Total Cooling Capacity (kw) SHC : Sensible Heat Capacity (kw) CM : Compressor Input (kw) Rating conditions (#Mark) are Outdoor Ambient Temp. 35 C D.B. Indoor Unit Entering Air Temp. 27 C D.B. / 19 C W.B. 15

20 Indoor Unit Outdoor Unit SAP K241A SAP C241A 240V Single phase 50Hz RATING CAPACITY 6.30 kw AIR FLOW RATE 830 m 3 /h EVAPORATOR CONDENSER ENT. TEMP. C OUTDOOR AMBIENT TEMP. C W.B. D.B TC CM SHC SHC SHC SHC SHC SHC TC CM SHC SHC SHC SHC SHC SHC TC 6.62 # CM SHC SHC SHC SHC SHC SHC TC CM SHC SHC SHC SHC SHC TC CM SHC SHC SHC SHC TC : Total Cooling Capacity (kw) SHC : Sensible Heat Capacity (kw) CM : Compressor Input (kw) Rating conditions (#Mark) are Outdoor Ambient Temp. 35 C D.B. Indoor Unit Entering Air Temp. 27 C D.B. / 19 C W.B. 16

21 6. ELECTRICAL DATA 6-1. Electrical Characteristics Indoor Unit SAP K181A Outdoor Unit SAP C181A Performance at Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor 240V Single phase 50Hz Rating Conditions Running Amps. A Power Input kw Full Load Conditions Running Amps. A Power Input kw Rating Conditions : Indoor Air Temperature 27 C D.B. / 19 C W.B. Outdoor Air Temperature 35 C D.B. Full Load Conditions : Indoor Air Temperature 32 C D.B. / 23 C W.B. Outdoor Air Temperature 43 C D.B. Indoor Unit Outdoor Unit SAP K241A SAP C241A Performance at Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor 240V Single phase 50Hz Rating Conditions Running Amps. A Power Input kw Full Load Conditions Running Amps. A Power Input kw Rating Conditions : Indoor Air Temperature 27 C D.B. / 19 C W.B. Outdoor Air Temperature 35 C D.B. Full Load Conditions : Indoor Air Temperature 32 C D.B. / 23 C W.B. Outdoor Air Temperature 43 C D.B. 17

22 6-2. Electric Wiring Diagrams Indoor Unit SAP K181A SAP K241A WARNING To avoid electrical shock hazard, be sure to disconnect power before checking, servicing and/or cleaning any electrical parts. 18

23 Outdoor Unit SAP C181A WARNING To avoid electrical shock hazard, be sure to disconnect power before checking, servicing and/or cleaning any electrical parts. 19

24 Outdoor Unit SAP C241A WARNING To avoid electrical shock hazard, be sure to disconnect power before checking, servicing and/or cleaning any electrical parts. 20

25 , 7. INSTALLATION INSTRUCTIONS 7-1. Installation Site Selection Indoor Unit 15 cm min. 15 cm 15 cm To prevent abnormal heat min. min. INDOOR UNIT WARNING generation and the possibility of fire, don t place obstacles, enclosures and grills in front Front View of or surrounding the air Fig.1 AVOID: direct sunlight. conditioner in a way that may block air flow. nearby heat sources that may affect performance of the unit. areas where leakage of flammable gas may be expected. places where large amounts of oil mist exist. DO: select an appropriate position from which every corner of the room can be uniformly air-conditioned. (High on a wall is best) select a location that will hold the weight of the unit. select a location where tubing and drain pipe have the shortest run to the outside. allow room for operation and maintenance as well as unrestricted air flow around the unit. (Fig. 1) install the unit within the maximum elevation difference (H) above or below the outdoor unit and within a total tubing length (L) from the outdoor unit as detailed Table 1 and Fig. 2a. Table 1 INDOOR UNIT Elevation difference (H) CAUTION Fig. 2a Fig. 2 For stable operation of the air conditioner, do not install wall-mounted type indoor units under 1.5m from floor level. Fig. 2b Tubing length (L) OUTDOOR UNIT Indoor Unit Minimum height from floor level 1.5m Floor level Wall Model Max. Allowable Tubing Length at Shipment (m) Limit of Tubing Length (L) (m) Limit of Elevation Difference (H) (m) Required Amount of Additional Refrigerant (g/m)* C181A C241A * If total tubing length becomes 7.5 to 20 (max.) or 10 to 30 (max.), charge additional refrigerant (R22) by 25 g/m. No additional charge of compressor oil is necessary. 21

26 Outdoor Unit AVOID: heat sources, exhaust fans, etc. (Fig. 3) damp, humid or uneven locations. DO: choose a place as cool as possible. choose a place that is well ventilated. allow enough room around the unit for air intake/exhaust and possible maintenance. (Figs. 4b and 4c) provide a solid base (concrete block, cm beams or equal), a minimum of 10 cm above ground level to reduce humidity and protect the unit against possible water damage and decreased service life. (Fig.5b) use lug bolts or equal to bolt down unit, reducing vibration and noise. Hot air Outdoor unit NO Fig. 3 Fig 3 Exhaust fan Heat source Required space around the unit. Air intake Min. 5 cm Air discharge Min. 10 cm Top View Top Fig. View 4b Min. 40 cm Valve side Min. 25 cm Obstacle above Air discharge 2 m 2 m Obstacle Ground Side View Fig. 4c Fig 4 C Anchor bolts (4 pcs.) Air intake Min. 10 cm Concrete or equal About 40 cm About 10 cm Fig. 5b Fig. 5 - A 22

27 7-2. Remote Control Unit Installation Position The remote control unit can be operated from either a non-fixed position or a wall-mounted position. To ensure that the air conditioner operates correctly, do not install the remote control unit in the following places: In direct sunlight Behind a curtain or other place where it is covered More than 8 m away from the air conditioner In the path of the air conditioner's airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic interference Mounting on a Wall a) Removable mounting Removable mounting Fig.7a Special mounting screw Non-removable mounting Wall 1) Momentarily hold the remote control unit at the desired mounting position. 2) Confirm that the air conditioner responds correctly when you press keys on the remote control from that position. 3) After confirming correct operation, use a screwdriver to screw the supplied special mounting screw into the wall. (Fig.7a) 4) Hang the remote control unit from the mounting screw. b) Non-removable mounting 1) Momentarily hold the remote control unit at the desired mounting position. 2) Confirm that the air conditioner responds correctly when you press keys on the remote control from that position. 3) After confirming correct operation, use a screwdriver to screw the supplied special mounting screw into the wall. (Fig.7a) 4) Remove the remote control cover by sliding it downward. 5) Remove the batteries of the remote control unit. 6) Use a screwdriver to screw the remote control unit securing screw into the wall through the hole in the battery compartment. (Fig.7b) 7) Replace the batteries. 8) Again confirm that the remote control unit operates correctly. Screw Fig.7b Wall 23

28 7-3. Recommended Wire Length and Size Regulations on wiring diameter differ from locality to locality. For field wiring requirements, please refer to your local electrical codes. Carefully observe these regulations when carrying out the installation. NOTE Refer to the WIRING SYSTEM DIAGRAM for the meaning of "A" and "B" in Table 3. Table 2 lists recommended wire lengths and cross section area for power supply systems. Table 2 Model Cross Sectional Area (mm 2 ) (A) Power Supply Wiring Length (m) 2 mm2 3.5 mm2 5.5 mm2 8 mm2 1.4 mm2 (B) Power Line (m) 2 mm2 Fuse or Circuit Breaker Capacity C181A C241A A WARNING WARNING Be sure to comply with local codes on running the wire from the indoor unit to the outdoor unit (size of wire and wiring method, etc.). Each wire must be firmly connected. No wire should be allowed to touch refrigerant tubing, the compressor, or any moving part. To avoid the risk of electric shock, each air conditioner unit must be grounded. Indoor unit Terminal 5P 1 2 WIRING SYSTEM DIAGRAM 4 5 Grounding line B A Power supply : Single phase 50 Hz, 240V AC Outdoor unit Terminal 5P Power line CAUTION Be sure to connect the power supply line to the outdoor unit as shown in the wiring diagram. The indoor unit draws its power from the outdoor unit. 24

29 8. FUNCTION 8-1. Room Temperature Control Room temperature control is obtained by cycling the compressor ON and OFF under control of the room temperature sensor in the remote control unit. The room temperature (and other information) is transmitted every 3 minutes by the remote control unit to the controller in the indoor unit. Signal from remote control unit 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes Thermo. OFF Thermo. ON Thermo. OFF Thermo. ON Thermo. ON Thermo. ON Thermo. OFF set temp. T+1 C T C More than 5 minutes 5 minutes 3 minutes Room temp. Compressor ON OFF ON OFF ON OFF Outdoor fan ON OFF ON OFF ON OFF Indoor fan Set speed The control circuit will not attempt to turn the compressor ON until the compressor has been OFF for at least 3 minutes. To protect the compressor from stalling out when trying to start against the high side refrigerant pressure, the control circuit has a built-in automatic time delay to allow the internal pressure to equalize. As a protective measure, the control circuit switches the compressor OFF after 5 minutes or more of compressor operation. Thermo. ON : When the room temperature is above T + 1 C (T C is set temperature). Compressor ON Thermo. OFF : When the room temperature is equal to or below set temperature T C. Compressor OFF 25

30 8-2. Dry Operation (Dehumidification) Dry operation uses the ability of the cooling cycle to remove moisture from the air, but by running at low level to dehumidify without greatly reducing the room temperature. The air conditioner repeats the cycle of turning ON and OFF automatically as shown in the chart below according to the room temperature. Room temp. T+2 C Set temp. T C T 1 C Room temp. 15 C Cooling operation Dry A zone Compressor : Continuous operation FMI (indoor fan) : L (low speed) / LL (very low speed) intermittent ventilation only while the compressor is ON. Dry B zone Compressor : Intermittent operation (ON for 3 minutes and OFF for 9 minutes) FMI (indoor fan) : L (low speed) / LL (very low speed) intermittent ventilation only while the compressor is ON. Monitor zone Both the indoor and outdoor units stop. NOTE Intermittent ventilation occurs by switching the indoor fan speed between L LL. Dry operation does not occur when the room temperature is under 15 C, which is the monitor zone. When the compressor stops, the indoor fan stops as well Freeze Prevention This function prevents freezing of the indoor heat exchange coil. When the compressor has been running for 10 minutes or more and the temperature of the indoor heat exchange coil falls below 1 C, the control circuit stops the compressor for at least 6 minutes. The compressor does not start again until the temperature rises above 8 C or 6 minutes has elapsed. Room temp. Thermo. OFF Thermo. ON T+1 C Set temp. T C Indoor heat exch. coil temp. 1 C More than 10 minutes 6 minutes More than 10 minutes More than 6 minutes Compressor ON OFF ON ON OFF ON Indoor fan Set speed Set speed 26

31 8-4. Outdoor Fan Speed Control To optimize performance of the air conditioner, the outdoor fan speed is switched automatically according to the outdoor temperature. If the outdoor air temperature falls below 28.5 C, the fan speed switches to LOW. If the outdoor air temperature rises above 31.5 C, the fan speed switches to HIGH. The operating temperature shown as 31.5 and 28.5 in the chart differ by models. Outdoor air temperature ( C) Outdoor fan speed H L H 27

32 9. TROUBLESHOOTING 9-1. Check before and after troubleshooting WARNING Hazardous voltage can cause ELECTRIC SHOCK or DEATH. Disconnect power or turn off circuit breaker before you start checking or servicing Check power supply wiring. Check that power supply wires are correctly connected to terminals No.1 and No.2 on the terminal plate in the outdoor unit. Power supply : Single phase 50 Hz, 240V AC Outdoor unit 1 2 Inter-unit power wiring Ground Indoor unit 1 2 Ground Check inter-unit wiring. Check that inter-unit wiring is correctly connected to the indoor unit from the outdoor unit Check power supply. Check that voltage is in specified range (±10% of the rating). Check that power is being supplied Check lead wires and connectors in indoor and outdoor units. Check that coating of lead wires is not damaged. Check that lead wires and connectors are firmly connected. Check that wiring is correct. 28

33 9-2. Air conditioner does not operate Circuit breaker trips (or fuse blows). A. When the circuit breaker is set to ON, it is tripped soon. (Resetting is not possible.) There is a possibility of ground fault. Check insulation resistance. If resistance value is 2MΩ or less, insulation is defective ( NO ). 1 Inter-unit Outdoor power wiring unit 1 2 Indoor unit Power supply Circuit breaker Ground WARNING * Set circuit breaker to OFF. 1 Remove both power supply wires and inter-unit wires from terminal plate in outdoor unit. Measure insulation resistance of outdoor unit. NO Insulation of outdoor unit is defective. Measure insulation resistance of electrical parts in outdoor unit. 2 Remove inter-unit wires from terminal plate in indoor unit. Measure insulation resistance of indoor unit. NO Insulation of indoor unit is defective. Measure insulation resistance of electrical parts in indoor unit. B. Circuit breaker trips in several minutes after turning the air conditioner on. There is a possibility of short circuit. Check capacity of circuit breaker. Capacity of circuit breaker is suitable. NO Replace with suitable one (larger capacity). Measure resistance of outdoor fan motor winding. Measure resistance of compressor motor winding. 29

34 Neither indoor nor outdoor unit runs. A. Power is not supplied. Check power supply. Power is being supplied to the outdoor unit. NO Circuit breaker is tripped. Power failure Reset breaker. Wait for recovery or contact power company. B. Check remote control unit. Try to run with another remote control unit. OK First remote control unit is defective. Check for residue buildup on transmitter of remote control unit. Clean transmitter. Check for residue buildup on remote control receiver on front of indoor unit. Clean receiver. C. Check "OPERATION selector" switch in the indoor unit. OPERATION selector switch is set in ON position. YES Indoor PCB Ass'y is defective. NO Set OPERATION selector switch to ON. D. Check transformer in indoor unit. Measure resistance of primary and secondary winding. (TR) 30

35 E. Check fuse on the indoor PCB Ass'y. Check fuse on indoor PCB Ass'y for continuity. (F) OK If fuse has been blown, Measure resistance of indoor fan motor winding. (FM) OK Check operation lamp to see if light is ON. Light is OFF Measure resistance of flap motor winding. (FLP) OK Measure resistance of primary and secondary winding of transformer. (TR) OK Measure coil resistance of power relay. (PR ) OK Indoor PCB Ass'y or switch Ass'y is defective. Replace the fuse. F. Check TIMER on the remote control unit. Timer is turned ON. Check to see if ON is displayed on remote control. YES Cancel the timer mode. 31

36 Only outdoor unit does not run. A. Check setting temperature. Is room temperature too low? NO Try to lower setting temperature by temperature setting button ( button). Outdoor unit still does not run. Try to run using another remote control unit. OK Remote control unit is defective. B. Check power relay in outdoor unit. Measure coil resistance of power relay. (PR) OK Check indoor PCB Ass'y. 32

37 9-3. Some part of air conditioner does not operate Only indoor fan does not run. Check fan rotation. Turn fan gently once or twice by hand. Fan cannot be turned. Check fan casing foreign matter on inside. Fan motor burnout or foreign matter in bearings. Remove foreign matter or repair. Repair or replace. Measure resistance of indoor fan motor winding. OK Check fan motor capacitor Only outdoor fan does not run. Check fan rotation. Turn fan gently once or twice by hand. Fan cannot be turned. Check fan casing foreign matter on inside. Fan motor burnout or foreign matter in bearings. Remove foreign matter or repair. Repair or replace. Measure resistance of outdoor fan motor winding. OK Check fan motor capacitor. 33

38 Only compressor does not run. Check compressor moter capacitor. Either internal protector or overload relay is working. YES Measure resistance of compressor motor winding. Temperature of compressor is abnormally high. YES Refrigerant gas shortage. NO YES Charge refrigerant gas (R22). Measure Power supply voltage. The voltage is too low. No Rotor may be locked up Only flap motor does not run. Measure resistance of flap motor winding. (FLP) Function of outdoor fan speed control does not work properly. Check thermostat in outdoor unit. (23S) Refer to "8-4. Outdoor Fan Speed Control". 34

39 9-4. Air conditioner operates, but abnormalities are observed Poor cooling. Check position of remote control unit. Cool air from air conditioner reaches position directly. YES Change position of remote control unit. Wide and narrow tubes between indoor unit and outdoor unit are insulated. YES NO Insulate both wide and narrow tubes separately and then tape together. Measure temperature of suction and discharge air of air conditioner. Temperature difference is small. Possibility of gas shortage. Charge refrigerant gas (R22). Temperature difference between suction and discharge air is large enough (approx. 10 deg. or more). Check for clogging of air filter. Air filter is clogged. Clean filter. Fan speed is set to LOW. YES Set fan speed to either HIGH or MEDIUM. Review cooling load estimate, if performance of air conditioner is normal. Reduce cooling load or replace the air conditioner with larger capacity Excessive cooling. Set temperature is suitable. NO Set temperature to higher value using temperature setting buttons of the remote control unit. Remote control unit is placed where it can detect room temperature properly. NO Change position of remote control unit. 35

40 9-5. If a sensor is defective Indoor coil temp. thermistor (TH1) is defective. A. Open When thermistor opens, the air conditioner will be in the following conditions as the controller tries to detect extremely low indoor coil temperature. In Cooling mode: Function of freeze prevention continues to work. That is, the controller turns both compressor and outdoor fan motor periodically ON and OFF for several minutes. (Refer to "8-3. Freeze Prevention") B. Short When thermistor is short, the air conditioner will be in the following conditions as the controller tries to detect extremely high indoor coil temperature. In Cooling mode: Function of freeze prevention will not work even when the frost builds up on indoor heat exchanger coil Room temp. thermistor (TH2) is defective. A. Open When thermistor opens, the air conditioner will be in the following conditions as the controller tries to detect extremely low room temperature. In Cooling mode: The air conditioner soon stops and will not start again. (Thermo.OFF) Neither outdoor fan nor compressor runs. B. Short When thermistor is short, the air conditioner will be in the following conditions as the controller tries to detect extremely high room temperature. In Cooling mode: The air conditioner continues to operate (Thermo.ON). Both the outdoor fan and compressor do not stop. As a result, the room becomes too cold. NOTE Temperature sensor Lead wires Definition of Open or Short Circuit of Sensor (Thermistor) Thermistor Structure Open... A lead wire is broken or disconnected or the circuit inside the temperature sensor is open. Short... The protective cover of a lead wire has been damaged, and the exposed wire is touching another metal part, or both lead wires have become exposed and are touching each other. Alternatively, the circuit inside the temperature sensor is closed. 36

41 10. CHECKING ELECTRICAL COMPONENTS Measurement of Insulation Resistance The insulation is in good condition if the resistance exceeds 2MΩ. Clip Ground wire Power Supply Wires Clamp the ground wire of the power supply wires with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the power wires. (Fig. 1) Probe Insulation tester Terminal plate Fig. 1 Then measure the resistance between the ground wire and the other power wire. (Fig. 1) Probe Indoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw on the terminal plate. (Fig. 2) Note that the ground line terminal should be skipped for the check. Copper tube or metallic part Clip Insulation tester Fig Outdoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw where power supply lines are connected on the terminal plate. (Fig. 2) Clip Probe Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the desired electric part from terminal plate, capacitor, etc. Similarly disconnect the connector. Then measure the insulation resistance. (Figs. 3 and 4) Copper tube or metallic part Insulation tester From fan motor, compressor and other parts Fig. 3 NOTE Refer to Electric Wiring Diagram. Metallic part Probe If the probe cannot enter the poles because the hole is too narrow then use a probe with a thinner pin. Clip Insulation tester Fig. 4 37

42 10-2. Checking Continuity of Fuse on PCB Ass'y Fuse Remove the PCB Ass y from the electrical component box. Then pull out the fuse from the PCB Ass y. (Fig. 5) Check for continuity using a multimeter as shown in Fig Checking Motor Capacitor PCB Ass y Fig. 5 Remove the lead wires from the capacitor terminals, and then place a probe on the capacitor terminals as shown in Fig. 7. Observe the deflection of the pointer, setting the resistance measuring range of the multimeter to the maximum value. The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original position. The range of deflection and deflection time differ according to the capacity of the capacitor. Fuse Multimeter Fig. 6 Compressor motor capacitor Fan motor capacitor Fig. 7 38

43 APPENDIX INSTRUCTION MANUAL SAP K181A SAP K241A + SAP C181A + SAP C241A 39

44 Features This air conditioner is equipped with cooling and drying functions. Details on these functions are provided below; refer to these descriptions when using the air conditioner. Compact Size This model is smaller than its predecessors and yet offers the same capabilities. Microprocessor Controlled Operation The interior compartment of the remote control unit contains several features to facilitate automatic operation, easy logically displayed for easy use. Simple One-touch Wireless Remote Control The remote control unit has several features to facilitate automatic operation. 12-Hour ON or OFF Timer This timer can be set to automatically turn the unit on or off at any time within a 12 hour period. 1-Hour OFF Timer This timer can be set to automatically turn off the unit at any time after one hour. Night Setback Pressing this button changes the setting of the room temperature thermostat, allowing you to set the temperature at whatever level that you find comfortable. Automatic and 3-step Fan Speed Auto/High/Medium/Low Air Sweep Control This function moves a flap up and down in the air outlet, directing air in a sweeping motion around the room and providing comfort in every corner. Automatic Restart Function for Power Failure Even when power failure occurs, preset programmed operation can be reactivated once power resumes. Anti-Mold Filter This unit is equipped with an anti-mold filter that inhibits the growth of mold and bacteria. Optional Air Clean Filter An air filter that uses activated charcoal to eliminate unpleasant odors and clean the air is available (sold separately). 2 OI EG

45 Contents Page Features... 2 Product Information... 3 Alert Symbols... 3 Installation Location... 4 Electrical Requirements... 4 Safety Instructions... 4 Names of Parts... 5 Using the Remote Control Unit Operation with the Remote Control Unit Operation Adjusting the Fan Speed Night Setback Mode Special Remarks Using the 12-Hour ON and OFF Timer Using the 1-Hour OFF Timer Adjusting the Airflow Direction Operation without the Remote Control Unit Care and Cleaning Troubleshooting Tips for Energy Saving Product Information If you have problems or questions concerning your Air Conditioner, you will need the following information. Model and serial numbers are on the nameplate on the bottom of the cabinet. Model No. Serial No. Date of purchase Dealer s address Phone number Alert Symbols The following symbols used in this manual, alert you to potentially dangerous conditions to users, service personnel or the appliance: This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death. CAUTION This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage. OI EG 3

46 Installation Location We recommend that this air conditioner be installed properly by qualified installation technicians in accordance with the Installation Instructions provided with the unit. Before installation, check that the voltage of the electric supply in your home or office is the same as the voltage shown on the nameplate. Do not install this air conditioner where there are fumes or flammable gases, or in an extremely humid space such as a greenhouse. Do not install the air conditioner where excessively high heatgenerating objects are placed. Avoid: To protect the air conditioner from heavy corrosion, avoid installing the outdoor unit where salty sea water can splash directly onto it or in sulphurous air near a spa. Electrical Requirements 1. All wiring must conform to the local electrical codes. Consult your dealer or a qualified electrician for details. 2. Each unit must be properly grounded with a ground (or earth) wire or through the supply wiring. 3. Wiring must be done by a qualified electrician. Safety Instructions Read this Instruction Manual carefully before using this air conditioner. If you still have any difficulties or problems, consult your dealer for help. This air conditioner is designed to give you comfortable room conditions. Use this only for its intended purpose as described in this Instruction Manual. Never use or store gasoline or other flammable vapor or liquid near the air conditioner it is very dangerous. This air conditioner has no ventilator for intaking fresh air from outdoors. You must open doors or windows frequently when you use gas or oil heating appliances in the same room, which consume a lot of oxygen from the air. Otherwise there is a risk of suffocation in an extreme case. CAUTION Do not turn the air conditioner on and off from the power mains switch. Use the ON/OFF operation button. Do not stick anything into the air outlet of the outdoor unit. This is dangerous because the fan is rotating at high speed. Do not let children play with the air conditioner. Do not cool the room too much if babies or invalids are present. 4 OI EG

47 Names of Parts Air intake INDOOR UNIT Air outlet Remote control unit Drain hose Refrigerant tubes OUTDOOR UNIT Air outlet NOTE This illustration is based on the external view of a standard model. Consequently, the shape may differ from that of the air conditioner which you have selected. Air Intake This air conditioner consists of an indoor unit and an outdoor unit. You can control the air conditioner with the remote control unit. Air from the room is drawn into this section and passes through air filters which remove dust. Air Outlet Conditioned air is blown out of the air conditioner through the air outlet. Remote Control Unit The wireless remote control unit controls power ON/OFF, operation mode selection, temperature, fan speed, timer setting, and air sweeping. Refrigerant Tubes Drain Hose Outdoor (Condensing) Unit The indoor and outdoor units are connected by copper tubes through which refrigerant gas flows. Moisture in the room condenses and drains off through this hose. The outdoor unit contains the compressor, fan motor, heat exchanger coil, and other electrical components. OI EG 5

48 Unit Display and Operation Selector INDOOR UNIT ON OFF TEST IMPORTANT Avoid using radio equipment such as mobile phone near (within 1 m) the indoor unit. Some radio equipment may cause malfunction of the unit. If the trouble happens, disconnect power and restart the air conditioner after a few minutes. OPERATION lamp TIMER lamp OPERATION TIMER REMOTE CONTROL receiver Operation selector REMOTE CONTROL receiver Operation selector ON position OFF position This section picks up infrared signals from the remote control unit (transmitter). This position is for operating the air conditioner with the wireless remote control unit. Set the selector normally in this position. Switch the selector to the OFF position if you are not going to use the air conditioner for a few days or longer. The OFF position does not disconnect the power. Use the main power switch to turn off power completely. TEST position CAUTION This position is used only when servicing the air conditioner. Do not set at the TEST position for normal operation. OPERATION lamp TIMER lamp This lamp lights when the system is in the continuous DRY and COOL mode. This lamp lights when the system is being controlled by the timer. 6 OI EG

49 Remote Control Unit (Display) Displayed when main unit sensor is in use Displayed when setting temperature 1HR. SET TEMP. ON C H OFF Displayed when transmitting data Displayed when temperature is shown Displayed when the temperature setting is at the upper or lower allowable limit Displayed when setting timer Symbols (1) Operation mode COOL... MILD DRY... (2) Fan speed (4) Timer 12-hour ON Timer hour OFF Timer... 1-hour OFF Timer... ON OFF 1HR. Automatic operation... (5) NIGHT SETBACK... HIGH... MEDIUM... LOW... (6) Confirmation of transmission... (7) Flap angle indication... (8) Sweep indication... (3) Set temperature C When set to 28 C... C OI EG 7

50 Remote Control Unit Sensor Transmitter AIR CONDITIONER AIR CONDITIONER Display SET TEMP. C 1HR. 1 HR. TIMER button 1 HR. TIMER TEMP. (Cover closed) TEMP. setting buttons ON I /OFF MODE selector button FLAP button FAN SPEED selector button MODE FLAP FAN SPEED SELECT ON OFF SET TIMER BATTERIES NIGHT SETBACK A/C ACL SENSOR ON/OFF operation button NIGHT SETBACK button TIMER ON button TIMER OFF button A/C SENSOR button ACL button TIMER SET button (which advances the time displayed) Battery compartment (Pull off the cover to expose the batteries.) NOTE The illustration above pictures the remote control unit after the cover has been lowered and removed. Transmitter When you press the buttons on the remote control unit, the mark appears in the display to transmit the setting changes to the receiver in the air conditioner. Sensor Display NIGHT SETBACK button A temperature sensor inside the remote control unit senses the room temperature. Information on the operating conditions is displayed while the remote control unit is switched on. If the unit is turned off, only the mode that was set previously is still displayed. For details, see Night Setback Mode. When you press this button in the DRY or COOL mode, the mark appears in the display, and the remote control unit will automatically adjust the set temperature to save energy. TEMP. setting buttons Press the button to increase the set temperature. Press the button to reduce the set temperature. ON/OFF operation This button is for turning the air conditioner on and off. button 8 OI EG