AIR CONDITIONERS DATA BOOK. Model PUHY-P250YHM-A PFD-P250VM-E PFD-P500VM-E

Transcription

1 AIR CONDITIONERS Model PUHY-P0YHM-A PFD-P0VM-E PFD-P00VM-E DATA BOOK

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3 Close control PUHY-P-YHM-A PFD-P-VM-E CONTENTS. Specifications - Main Features - List of Possible Combinations of Indoor and Outdoor Units - Unit Specifications. Capacity Curves - Cooling Capacity - Cooling Input - Part Load Performance - SHF Curves - Correction by refrigerant piping length - Operation limit. Sound Levels - Noise Level - NC Curves - Fan Characteristics Curves. External Dimensions. Electrical Wiring Diagrams. Refrigerant Circuit Diagram And Thermal Sensor 7. System Design 7- Refrigerant Piping System 7- Control Wiring 7- Types of switch settings and setting methods 7- Sample System Connection 7- External input/output specifications 7- System Rotation Control 7-7 Notes on the use of optional accessories 8. Air Conditioning the Computer Room 8- Main Features of the Floor-Duct Air Conditioners 8- Features of air-conditioner for computer room 8- Step-by-Step Plan for the Implementation of the Air-Conditioning 8- Conditions for the Installation of Computer-Room Air Conditioners 8- Setting the Air conditioners 8- Automatic Control of the Computer Room 9. Maintenance/Inspection 9- Maintenance/Inspection Schedule

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5 UP UP POWER SUPPLY UNIT MODEL PAC-SC0KUA POWER RATING WEIGHT.kg SERIAL No. MITSUBISHI ELECTRIC CORPORATION POWER SUPPLY UNIT MODEL PAC-SC0KUA POWER RATING WEIGHT.kg SERIAL No. MITSUBISHI ELECTRIC CORPORATION. Specifications -.Main Features () List of Models PUHY-P0YHM-A Outdoor Unit 0HP(Down flow): PFD-P0VM-E 0HP(Down flow): PFD-P00VM-E PFD-type indoor units cannot be connected to outdoor units other than the ones specified above. PFD-type indoor units and other types of indoor units cannot coexist in the same refrigerant system. It is necessary to change pulley and V-belt when using it by the power supply frequency 0Hz. For restrictions when the PFD-type indoor units are connected (related to the system), see P0. <0HP System> G-0A } Indoor Unit TB7 Outdoor Unit PUHY-P0YHM-A TB Indoor Unit PFD-P0VM-E V DC M-NET PAC-SC0KUA When using a PFD-P0VM-E as an indoor unit, connect an outdoor unit PUHY-P0YHM-A to each indoor unit and operate with a built-in remote control for the indoor unit. : Bold line indicates refrigerant piping (gas/liquid). This system consists of single refrigerant circuit. : Indicates TB-type transmission line that connects the indoor and outdoor units. This system consists of single refrigerant circuit. : Indicates TB7-Type transmission line that allows the unit to communicate with the controller. <0HP System> Two refrigerant circuits G-0A Outdoor Unit PUHY-P0YHM-A TB7 TB Indoor Unit PFD-P00VM-E V DC M-NET TB7 PUHY-P0YHM-A TB PAC-SC0KUA When using a PFD-P00VM-E as an indoor unit, connect PUHY-P0YHM-A outdoor units to each indoor unit and operate with a built-in remote control for the indoor unit. At factory shipment, this model of indoor unit is designed and set to accommodate a single refrigerant circuit. Connection of two refrigerant circuits to the indoor unit requires setting change and pipe work. : Bold line indicates refrigerant piping (gas/liquid). This system consists of two refrigerant circuits. : Indicates TB-type transmission line that connects the indoor and outdoor units. This system consists of two refrigerant circuits. : Indicates TB7-type transmission line that allows the unit to communicate with the controller.

6 -. List of Possible Combinations of Indoor and Outdoor Units Model Name Indoor unit Outdoor unit 0HP system PFD-P0VM-E PUHY-P0YHM-A Cooling Heating System capacity kw 8.0. System Power input kw System current A.7/.9/.././. 0HP system PFD-P00VM-E PUHY-P0YHM-A x Cooling Heating /0.8/9.7.7/0.0/9. : Refer to the following pages for detailed specifications of each unit. : They were measured at operation under the following conditions: <Cooling> Indoor:7 CDB/9 CWB Outdoor: CDB <Heating> Indoor:0 CDB Outdoor: 7 CDB/ CWB Pipe length:7.m, Height difference:0m

7 -. Unit Specifications () Outdoor Unit Model name Capacity Power source Power input Current Fan Compressor Type Quantity Airflow rate Motor output Type Motor output kw kw A m /min kw kw Crankcase heater kw Heat exchanger Refrigerant / Lubricant External finish External dimension H x W x D mm Protection High pressure protection devices Compressor Fan Inverter circuit (COMP./FAN) Refrigerant High press. pipe piping diameter Low press. pipe Noise level Net weight Note: db(a) kg PUHY-P0YHM-A (-BS) connected with PFD series Cooling Heating 8.0. N ~ 80/00/V 0/0Hz.8../0.9/0../0./0. Propeller fan x 8 0. Hermetic x Salt resistant fin R0A/MEL Pre-coated galvanized steel sheets (+ powder coating for -BS type) <MUNSEL Y 8/ or similar>,70 (without legs,0) x 90 x 70 High pres. Sensor & High pres. Switch at.mpa Over heat protection Thermal switch Over-heat protection, Over current protection ø9. Brazed (ø.7 for over 90m) ø. Brazed 7 00 *. Cooling/Heating capacity indicates the maximum value at operation under the following condition. <Cooling> <Heating> Indoor : 7 CDB / 9 CWB Indoor : 0 CDB Outdoor : Outdoor : CDB 7 CDB / CWB Pipe length : 7.m Height difference : 0m *. It is measured in anechoic room. ** Installation/foundation work, electrical connection work, duct work, insulation work, power source switch, and other items shall be referred to the Installation Manual. () Indoor Unit Model name System capacity Power source Power input Current Type x Quantity Airflow rate Fan External static pressure Motor Output Refrigerant External finish External dimensions HxWxD Protection devices (Fan) Refrigerant piping diameter Single refrigerant circuit Two refrigerant circuit Refrigerant piping allowable length Noise level Heat exchanger Air filter Net weight Note: PFD-P0VM-E PFD-P00VM-E Cooling Heating Cooling Heating kw N~80/00/V(0Hz), 00/V(0Hz) kw..0 A./.0/.9 9./9.0/8.7 Sirocco fan x Sirocco fan x m /min 0 0 Pa 0 0 kw.. R0A Galvanized steel plate (with polyester coating) <MUNSEL.9GY 8./0.(White) 7.GB./.(Blue) or similar> mm,90 x,80 x 780,90 x,980 x 780 Thermal switch Liquid pipe ø 9. Brazed (ø.7 for over 90m) Liquid pipe ø.88 Brazed Gas pipe ø. Brazed Gas pipe ø 8.8 Brazed - Liquid pipe ø 9. Brazed (ø.7 for over 90m) Gas pipe ø. Brazed m 0 0 db(a) 9 Cross fin (Aluminum plate fin and copper tube) PP Honeycomb fabric (washable) kg 80 0 *. Heating can be used only by the indoor warming-up. *. At factory shipment, this model of indoor unit is designed and set to accommodate a single refrigerant circuit. Connection of two refrigerant circuits to the indoor unit requires setting change and pipe work. ** Installation/foundation work, electric connection work, duct work, insulation work, power source switch and other items are not specified in the specifications.

8 . Capacity Curves -. Cooling Capacity. Capacity correction coefficient Indoor unit inlet temperature ( CWB) Outdoor unit inlet temperature ( CDB) -. Cooling Input Input Correction Coefficient Indoor unit inlet temperature ( CWB) Outdoor unit inlet temperature ( CDB) The correction curves indicate the values measured at the point where the compressor was operated at its maximum capacity. indicates the standard value.

9 -. Part Load Performance 0HP System Indoor Unit : PFD-P0VM-E Outdoor Unit : PUHY-P0YHM-A Outdoor unit inlet temp. ( CDB) Cooling Capacity (kw) 00% Capacity 90% Capacity 80% Capacity 70% Capacity 0% Capacity 0% Capacity 0% Capacity 0 C C C C C C HP System Indoor Unit : PFD-P00VM-E Outdoor Unit : PUHY-P0YHM-A Outdoor unit inlet temp. ( CDB) Cooling Capacity (kw) 00% Capacity 90% Capacity System Power input (kw) * Indoor air temperature condition: 7 CDB/9 CWB 80% Capacity System Power input (kw) 70% Capacity 0% Capacity 0% Capacity 0% Capacity 0% Capacity 0 C C C C C C * Indoor air temperature condition: 7 CDB/9 CWB

10 -. SHF Curves Standard Capacity Ratio % 0%0%00% 90% 80% 70% Indoor Temperature 7 CDB 0.8 SHF RH (%) Standard Capacity Ratio 0% 0%0%00% 90% 80% 70% Indoor Temperature CDB SHF RH (%) Operation Temparature Range: Indoor : CWB~ CWB Outdoor: - CDB~ CDB (RH : 0~80%) Standard Point " " : Indoor : 7 CDB/9 CWB Outdoor: CDB/-

11 Standard Capacity Ratio 0% 0% 00% 90% 80% 70% Indoor Temperature CDB SHF RH (%) Standard Capacity Ratio 0% 0%00% 90% 80% 70% Indoor Temperature 0 CDB SHF RH (%) Operation Temparature Range: Indoor: CWB~ CWB Outdoor: - CDB~ CDB (RH: 0~80%) 7

12 -. Correction by refrigerant piping length To obtain a decrease in cooling/heating capacity due to refrigerant piping extension, multiply by the capacity correction factor based on the refrigerant piping equivalent length in the table below. Capacity correction coefficient Piping equivalent length (m) How to obtain piping equivalent length Equivalent length = (Actual piping length to the farthest indoor unit) + (0.0 number of bent on the piping)m -. Operation limit Cooling Indoor temperature ( CWB) Outdoor temperature ( CDB) * The height between the Outdoor PUHY-P-YHM-A and Indoor could make the running temperature range narrow. For details refer to P9, 7- Refrigerant Piping System. Heating Indoor temperature ( CDB) Outdoor temperature ( CWB) 8

13 . Sound Levels -. Noise Level () Outdoor Unit m Measurement location m Series Noise Level (db [Type A]) PUHY-P0YHM-A 7 () Indoor Unit m Measurement location m Series Noise Level (db [Type A]) PFD-P0VM-E 9 PFD-P00VM-E 9

14 -. NC Curves PUHY-P0YHM-A (External static pressure 0Pa) Hz Hz 0Hz 00Hz 000Hz 000Hz 000Hz 8000Hz db(a) Standard 0/0Hz NightMode 0/0Hz When Night Mode is set,the A/C system's capacity is limited. The system could return to normal operation from Night Mode automaticall in the case that the operation condition is severe Standard 0/0Hz Night Mode 0/0Hz OCTAVE BAND SOUND LEVEL (db) NC-0 NC-0 NC-70 NC-0 NC-0 0 Approximate minimum audible limit on NC-0 continuous noise 0 Hz Hz 0Hz 00Hz 000Hz 000Hz 000Hz 8000Hz OCTAVE BAND CENTER FREQUENCIES (Hz) PFD-P0VM-E (External static pressure 0Pa) Hz Hz 0Hz 00Hz 000Hz 000Hz 000Hz 8000Hz db(a) PFD-P00VM-E (External static pressure 0Pa) Hz Hz 0Hz 00Hz 000Hz 000Hz 000Hz 8000Hz db(a) , OCTAVE BAND PRESSURE LEVEL (db) 0dB = 0µPa NC-70 NC-0 NC-0 NC-0 NC-0 0 Approximate minimum audible limit on NC-0 continuous noise 0 Hz Hz 0Hz 00Hz 000Hz 000Hz 000Hz 8000Hz OCTAVE BAND CENTER FREQUENCIES (Hz) OCTAVE BAND PRESSURE LEVEL (db) 0dB = 0µPa NC-0 NC-70 NC-0 NC-0 NC-0 0 Approximate minimum audible limit on NC-0 continuous noise 0 Hz Hz 0Hz 00Hz 000Hz 000Hz 000Hz 8000Hz OCTAVE BAND CENTER FREQUENCIES (Hz) 0

15 -. Fan Characteristics Curves 000 PFD-P0VM-E : 0/0Hz, standard Total static pressure (Pa) Output.7kW Fan rotation speed 00rpm 00rpm 000rpm 900rpm 800rpm Internal resistance Air volume (m /min) 0Hz 0Hz No Rotational speed (rpm) Motor pulley ø0-b--8 ø-b--8 ø-b--8 ø-b--8 ø-b--8 ø70-b--8 ø0-b--8 ø70-b--8 ø0-b--8 Pulley and V-belt is procured on site. Fan pulley ø00-b-- ø-b-- ø-b-- ø-b-- ø0-b-- ø80-b-- ø80-b-- ø-b-- ø-b-- V-belte B8 B9 B0 B B B B B7 B Motor pulley ø-b--8 ø80-b--8 ø70-b--8 ø-b--8 ø-b--8 ø0-b--8 ø70-b--8 ø0-b--8 - Fan pulley ø0-b-- ø80-b-- ø80-b-- ø80-b-- ø00-b-- ø-b-- ø-b-- ø-b-- - V-belte B B B B B B B0 B9-800 PFD-P00VM-E : 0/0Hz, standard Total static pressure (Pa) Output.kW 800rpm Internal resistance 00rpm Fan rotation speed 000rpm 900rpm Standard Air volume (m /min) 0Hz 0Hz No Rotational speed (rpm) Motor pulley ø80-b--8 ø80-b--8 ø70-b--8 ø0-b--8 ø70-b--8 ø80-b--8 ø70-b--8 Fan pulley ø-b-- ø0-b-- ø0-b-- ø0-b-- ø80-b-- ø-b-- ø-b-- V-belte B B B B0 B B B Motor pulley ø0-b--8 ø80-b--8 ø0-b--8 ø0-b--8 ø0-b--8 ø70-b--8 ø0-b--8 Fan pulley ø0-b-- ø00-b-- ø80-b-- ø00-b-- ø-b-- ø-b-- ø-b-- V-belte B0 B B B B B8 B8 Pulley and V-belt is procured on site.

16 . External Dimensions PUHY-P0YHM-A(-BS) Unit : mm Refrigerant service valve <liquid> Refrigerant service valve <gas> Left side view Connecting pipe specifications Model PUHY-P0YHM Position dimensions for the refrigerant service valve Liquid A Gas B 7 Connection specifications for the refrigerant service valve Liquid ø9. Brazed Gas * ø. Brazed * Connect by using the connecting pipes (for bottom piping and front piping) that are supplied. 90 <Accessories> Top view Connecting pipe <Gas> Elbow(ID.XOD.) P0 pc. Pipe (ID.XOD.) P0 pc. <Liquid> Pipe (ID9.XOD9.) P0 pc. Note.Please refer to the next page for information regarding necessary spacing around the unit and foundation work..the detachable leg can be removed at site..at brazing of pipes,wrap the refrigerant service valve with wet cloth and keep the temperature of refrigerant service valve under 0 C. Detachable leg (front and back, points) Note * NO. For pipes For wires For transmission cables Usage Front through hole Bottom through hole Front through hole Front through hole Bottom through hole Front through hole Specifications 0X7 Knockout hole 0X9 Knockout hole ø or ø0 Knockout hole ø or ø7 Knockout hole ø Knockout hole ø Knockout hole 0 A B Control box Intake air 90 0 Intake air 0 70 Discharge air Intake air Service panel Front view (7 77) 8 (Mounting pitch) 70 Refrigerant service valve <liquid> Refrigerant service valve <gas> (Mounting pitch) Bottom view X-X0 Oval hole 9 8

17 PFD-P0VM-E Unit : mm Note. Be sure to set up a trap for Emergency drain piping. (Trap height:beyond 00mm) (Trap is not necessary for main drain piping.). Approve this figure because it is refused for the improvement and specification subject to change without notice.. Amputate a gas pipe/liquid pipe in the fixed height at the time of refrigerant circuit connection, and connect it with the local pipe. 00 or more 00 or more Air inlet Lamp Drain piping connection for humidifier or more 00 or more Indoor unit Service space Pipe execution space Unit surface figure Service space Indoor unit Unit front figure Changeover switch (SW9) <Nomal/Local> Filter Power supply:white Operating :Green Check :Yellow Failure :Red Air inlet Remote controller Lifting bolts (Accessory) Hole for the control wiring(ø0) Hole for the power supply(ø0) Main drain piping connection <Rp-/> Bolt holes:8-ø8 Hole for the power supply(body) <-ø knock out hole> <view from A> 00 Hole for the control wiring <ø knock out hole> 80 A Refrig. piping <gas> ø. braze Panel Air outlet Hole for liquid pipe connecting(ø) Hole for gas pipe connecting(ø) <Rp-/> Emergency drain piping connection <Rp-/> Air outlet Control box Hole for the power supply <ø knock out hole> Hole for the control wiring <ø knock out hole> Refrig. piping <liquid> ø9. braze Hole for gas pipe connecting(ø) Hole for liquid pipe connecting(ø) <Accessory> Lifting bolts pc. Front panel opening and closing key pc.

18 PFD-P00VM-E Unit : mm <Accessory> Lifting bolts pc. Front panel opening and closing key pc. Air inlet Note. Be sure to set up a trap for Emergency drain piping. (Trap height:beyond 00mm) (Trap is not necessary for main drain piping.). Approve this figure because it is refused for the improvement and specification subject to change without notice.. Amputate a gas pipe/liquid pipe in the fixed height at the time of refrigerant circuit connection, and connect it with the local pipe. Panel opening and closing dimension 00 or more Indoor unit Service space 00 or more Pipe execution space Unit surface figure Service space Indoor unit Drain piping connection for humidifier Main drain piping connecting<rp-/> Hole for gas pipe connecting(ø 8) Hole for No. gas pipe connecting(ø ) in refrig. circuit system Bolt holes:8-ø 8 Hole for No. liquid pipe connecting (ø ) in refrig. circuit system Hole for liquid pipe connecting(ø ) Hole for No. liquid pipe connecting(ø ) in refrig. circuit system or more Unit front figure 000 or more. It is necessary for the removal of the panel beyond 00mm. Filter Power supply:white Operating :Green Check :Yellow Failure :Red Failure :Red Air inlet Lamp Changeover switch (SW9) <Normal/Local> Remote controller Lifting bolts (Accessory) <Rp-/> Emergency drain piping connection <Rp-/> Hole for the power supply(ø 0) Hole for the control wiring(ø 0) <-ø knook out hole> Air outlet Hole for No. gas pipe connecting(ø ) in refrig. circuit system <view from A> Refrig. piping <gas> in refrig. circuit system type P0:ø 9.0 braze, type P0:ø. braze No. Hole for No. gas side pipe connecting(ø ) in refrig. circuit system Air outlet Hole for the power supply(body) 7 Panel Refrig. piping <liquid> in refrig. circuit system ø 9. braze No. Hole for No. liquid side pipe connecting (ø ) in refrig. circuit system Hole for gas side pipe connecting or No. liquid side pipe connecting(ø 8) in refrig. circuit system 00 Hole for the control wiring <ø knook out hole> Air outlet Control box A Hole for the power supply <ø knook out hole> Hole for the control wiring <ø knook out hole> Refrig. piping <liquid> in refrig. circuit system ø 9. braze No. Refrig. piping <liquid> ø.88 braze Refrig. piping <gas> in refrig. circuit system type P0:ø 9.0 braze, type P0:ø. braze No. Refrig. piping <gas> ø 8.8 braze Hole for liquid side pipe connecting or No. gas side pipe connecting(ø ) in refrig. circuit system

19 . Electrical Wiring Diagrams PUHY-P0YHM-A Fan motor (Heat exchanger) U V M W CN CN blue R D CN red R F,F,F AC0V.A T DSA Z U F F C7 Noise Filter R U Z Diode Bridge Z Z Z U U U R R F C C C C0 C9 C8 C7 C C C F AC0V.A T red white black R CNA CNB L L TB L TB N TB TB CN green TB L L L N Power Source N 0/0Hz 80/00/V L L L N <Symbol explanation> Symbol Explanation Sa,b -way valve H Pressure switch Pressure HS Discharge pressure LS sensor Low pressure 7C Magnetic relay(inverter main circuit) CT,, Current sensor(ac) CH Crankcase heater(for heating the compressor) DCL DC reactor LEV Linear HIC bypass,controls refrigerant expansion flow in HIC circuit LEVa,b valve Pressure control,refrigerant flow rate control SVa SVb Solenoid valve High pressure protection for the outdoor unit For opening/closing the bypass circuit under the O/S Outdoor unit heat exchanger capacity control Symbol SV9 TB TB TB7 TH TH TH TH TH TH7 THBOX THHS Z, FAN Board CNVDC CNINV F0 DC700V A T C0 C R0 IPM R CN CN8V blue CN red LED:CPU in operation CN red THBOX LED:Normal operation LED:Error CN blue C00 DCL R R * black red SC-P red 7C black SC-P CN CNV yellow CN CN C0 C C C R0 R R P N * FT-P FT-N red white C C C C7 R R R IGBT SC-L LED Normal operation(lit) /Error(blink) THHS SC-U SC-L C RSH SC-V CN CNTYP black SC-W black CT SC-L CT CT INV Board red white black red white black V U W MS Motor (Compressor) Solenoid valve Terminal block Explanation For opening/closing the bypass circuit Power supply Indoor/Outdoor transmission cable Central control transmission cable Thermistor Subcool bypass outlet temperature Pipe temperature Discharge pipe temperature ACC inlet pipe temperature Subcooled liquid refrigerant temperature OA temperature Control box internal temperature IGBT temperature Function setting connector P H 7C Sb SVa CNAC black CN0 CNDC pink CPU power supply circuit CN7 ZNR0 red U X0 CN0 X0 CNT0 Power failure detection circuit CN80 yellow CNT0 CN blue CN Control Board LED CN CNLVC red CNLVA CNLVB red CH Sa SV9 CN0 blue CN0 green SVb CN0 CN07 red CN08 black X0 X0 X0 X0 X07 X08 X09 X0 V SWU SWU 0's digit CN * 's digit Unit address setting OFF ON 0 SW OFF ON 0 SW Compressor ON/OFF output Error detection output LED:Lit when powered OFF ON 0 SW Function setting OFF ON 0 SW OFF ON 0 SW LED Display setting CNTYP black CNTYP green CNTYP green CN red CN CN990 CNAC red F0 AC0V.A T LED:CPU in operation yellow CNK blue CNN red CNS CND CN0 CN0 CN TB7 Power selecting connector ON OFF yellow CNS red CNIT CN0 red CN0 CN black CN * *.Single-dotted lines indicate wiring not supplied with the unit. *.Dot-dash lines indicate the control box boundaries. *.Refer to the Data book for connecting input/output signal connectors. *.Daisy-chain terminals (TB) on the outdoor units in the same refrigerant system together. *.Faston terminals have a locking function.make sure the terminals are securely locked in place after insertion.press the tab on the terminals to removed them. *.Control box houses high-voltage parts. Before inspecting the inside of the control box,turn off the power,keep the unit off for at least 0 minutes, and confirm that the voltage between FT-P and FT-N on INV Board has dropped to DC0V or less. CN0 red M-NET power supply circuit M-NET Board CN0 CNS CNIT yellow red LED:Power supply to Indoor/Outdoor transmission line TB TB7 M M M M S TP TP * Indoor/Outdoor transmission cable Central control transmission cable Z Z M LEV M LEVa M LEVb TH TH7 TH TH LS HS TH TH L 7 t t 7 7 t t t t t t

20 u PFD-P0VM-E Dehumidify X I.B. CNA CN CN CN7V 7 F ZNR Inside section of control box TB SHIELD S B A TB ZNR CN DSA S.B. F L L L N TB CN CN TB TB TB AC A A BC B B C IFB X L L L CN CN L CNM RC Address (odd) Indoor unit Control wiring DC~0V LED display(failure) LED display(status) LED display(power supply) PE Power supply N~ 80/00/V(0Hz) 00/V(0Hz) SW9 Switch(normal/local) Power supply DC~V Distant location on/off <with voltage and current> Distant location on/off <no voltage or current> Power supply DC0V, AC00/00V Status output Failure output LED display(check) PE L L A B C D E F F90 ZNR X0 X0 X0 ZNR90 DSA X0 X07 TH TH TH TH LEV SYMBOL NAME MF Fan motor I.B. Indoor controller board S.B. Surge absorber board IFB External input/output board TB Power source terminal bed TB Transmission terminal bed TB Transmission terminal bed TB Terminal bed for distant location on/off <No voltage or current> TB Terminal bed for distant location display TB Terminal bed for distant location on/off <With voltage and current> F90 Fuse<-/A> F Fuse<A> ZNR, ZNR, ZNR90 Varistor DSA Surge absorber T Transformer LEV Electronic linear expan.valve F Contactor(fan I/D) F Over current relay (fan I/D) P Float switch TH Thermistor (inlet temp.detection) TH Thermistor (piping temp.detection/liquid) TH Thermistor (piping temp.detection/gas) TH Thermistor (outlet temp.detection) SW(I.B.) Switch (for mode selection) SW(I.B.) Switch (for capacity code) SW(I.B.) Switch (for mode selection) SW(I.B.) Switch (for model selection) SW9 Switch (normal/local) SW(I.B.) Switch (st digit address set) SW(I.B.) Switch (nd digit address set) SW(I.B.) Switch (connection No.set) SWC(I.B.) Switch (outlet/inlet temp.control) X Auxiliary relay(check) Z Auxiliary relay(fan) Z Auxiliary relay(fan failure detection) L LED display (failure) L LED display (status) L LED display (check) L LED display (power supply) RC Remote controller The signal input of the dehumidify order is to connect wiring referring to the bottom figure. (field supply and construction) Indoor unit External input adapter control board (PAC-SA88HA) Relay circuit CN SW (st digit) SW SW (nd digit) SWC SW SW8 SW SW7 SW SW SW CNT CND CNP CN CN90 CNT CN8 CN CN0 CN CN9 CN CN0 T Z Z P Z F Z FAN over current detection F F MF Note:. The dotted lines show field wiring.. The address setting of the indoor unit should always be odd.. The outdoor unit to which the indoor unit is connected with the transmission line, the address of the outdoor unit should be the indoor unit +0.. Mark indicates terminal bed, connector, board insertion connector or fastening connector of control board. Distant control panel CN Power (green) Z SW (brown) Z SW:Defumidify order Z:Relay (Contact : Minimum applicable load DCV ma or less) t t t t u u u

21 t t t t t t t t PFD-P00VM-E SWC SW SW8 SW SW7 SW Note:. The dotted lines show field wiring.. It is wiring for refrigerant system at the time of shipping. Change wiring and SW,, (No.&No.)as this figure in field when you change it to refrigerant circuit. Set up the address of No. board in the odd number, and set up the address of No. board in the even number. But, set up the address of the No. board in the No. board +.. The outdoor unit to which the indoor unit is connected with the transmission line, the address of the outdoor unit should be the indoor unit +0.. Mark indicates terminal bed, connector, board insertion connector or fastening connector of control board A B CDE F X Dehumidify CN CN Address (odd) CN7V TH- SW SW SW (nd digit) SW SW (st digit) CN8 Z No. CN CN9 CN CN0 CN CN0 P CNT ZNR90 CN DSA CN I.B. F90 ZNR X0 X07 X0 X0 X0 CNP CN CNT CND CNP 7 CN90 9 Z CNA CNM CN TH- TH- LEV AD.B. TH- LEV LEVA LEVB LEV X Dehumidify SWC SW SW SW7 SW8 SW SW SW (nd digit) SW SW CN SW (st digit) CN CN8 Z CN7V Address (odd) CN CN0 CN 7 CN9 CN P CN F90 ZNR ZNR90 DSA CN I.B. X0 X07 X0 X0 X0 CN0 CNT CNT CND CNP CN CN <note> Z CNA CNM CN <note> Inside section of control box DSA S.B. ZNR IFB CN CN X X CN F TB SHIELD L TB TB TB B A TB- L L N TB L L L AC A A BC B B C SHIELD B A TB- PE RC No. Indoor unit Control wiring DC~0V LED display(no. failure) LED display(status) LED display(power supply) Power supply N~ 80/00/V(0Hz) 00/V(0Hz) SW9 Switch(normal/local) L L L L PE Power supply DC~V Distant location on/off <with voltage and current> Distant location on/off <no voltage or current> Power supply DC0V, AC00/00V No.Status output No.Failure output No.Status output No.Failure output No. Indoor unit Control wiring DC~0V LED display(no. failure) LED display(check) T T S S L L 9 A B CDE F TH- No. TH- TH- F TH- MF F Z Z F Z FAN over current detection F ZNR SYMBOL MF I.B., I.B. AD.B. S.B. IFB TB TB-, - TB TB TB TB F90 F T ZNR, ZNR, ZNR90 DSA LEV, F F P, P TH-, TH- TH-, TH- TH-, TH- TH-, TH- SW(I.B.) SW(I.B.) SW(I.B.) SW(I.B.) SW9 SW(I.B.) SW(I.B.) SW(I.B.) SWC(I.B.) X, X Z, Z Z L L L L L RC NAME Fan motor Indoor controller board Adapter board Surge absorber board External input/output board Power source terminal bed Transmission terminal bed Transmission terminal bed Terminal bed for distant location on/off <No voltage or current> Terminal bed for distant location display Terminal bed for distant location on/off <With voltage and current> Fuse <./A> Fuse <A> Varistor Surge absorber Transformer Electronic linear expan.valve Contactor(fan I/D) Over current relay (fan I/D) Float switch Thermistor (inlet temp.detection) Thermistor (piping temp.detection/liquid) Thermistor (piping temp.detection/gas) Thermistor (outlet temp.detection) Switch (for mode selection) Switch (for capacity code) Switch (for mode selection) Switch (for model selection) Switch (normal/local) Switch (st digit address set) Switch (nd digit address set) Switch (connection No.set) Switch (outlet/inlet temp.control) Auxiliary relay(check) Auxiliary relay(fan) Auxiliary relay(fan failure detection) LED display (No. failure) LED display (No. failure) LED display (status) LED display (check) LED display (power supply) Remote controller How to connect in case of refrigerant circuit. Remove the LEVB connector from AD.B. board, and connect it to CN0 of I.B. board. LEV CN0 I.B. CNA CNM Connect a connector to CNA, CNM of I.B. board. <note> External input-output board (IFB) TB TB AC A A BC B B A B When using the external input function on the indoor unit that is connected to a two-refrigerant circuit, connect the short-circuit plate that is supplied with the unit to the appropriate terminals on the external input-output board. The case of with-voltage input... A The case of no-voltage input... B How to set up to SW,,. (In case of refrigerant circuit) <note> The signal input of the dehumidify order is to connect wiring referring to the bottom figure. (field supply and construction) PFD-P00VM-E refrigerant circuit (at the time of shipping) refrigerant circuit ON ON SW SW SW ON ON ON ON Indoor unit control board CN External input adapter (PAC-SA88HA) (green) (brown) Relay circuit SW:Defumidify order Z:Relay (Contact : Minimum applicable load DCV ma or less) Z Z Distant control panel SW Power u u u u u u 7

22 . Refrigerant Circuit Diagram And Thermal Sensor Outdoor Unit : PUHY-P0YHM-A Indoor Unit : PFD-P0VM-E TH7 SVb TH Sb SV9 Sa CV TH CP TH SCC(HIC Circuit) LEV O/S COMP CJ H HS LS CJ SVa ST CP TH ACC ST7 ST TH LEVa LEVb ST ST BV BV TH TH 8

23 Outdoor Unit : PUHY-P0YHM-A x Indoor Unit : PFD-P00VM-E Sb Sa ST BV TH7 CV O/S CJ H HS ST SVa CP LS TH CJ TH ACC COMP SVb SV9 TH CP ST7 ST ST BV TH- TH- TH SCC (HIC circuit) LEV TH LEVa LEVb Sb Sa ST BV TH7 CV O/S CJ H HS ST SVa CP LS TH CJ TH- TH- TH ACC COMP SV9 CP ST7 ST SVb TH ST BV TH SCC (HIC circuit) LEV TH LEVa LEVb 9

24 7. System Design 7-.Refrigerant Piping System Sample connection <Refrigerant system with one outdoor unit> Outdoor unit <Refrigerant system with two outdoor units> Outdoor unit A A L L L H H Allowable piping length Allowable height difference Pipe selection Farthest piping length(l) Indoor unit Height difference between indoor and outdoor units (H) m or less in actual length Indoor unit 0 m or less (0 m if outdoor unit is below indoor unit, m if outside temperature is 0 C or below) Outdoor unit model Liquid pipe size Gas pipe size P0 ø 9. ø. Use ø.7 pipes when the pipe length exceeds 90 m. Amount of refrigerant charge Refrigerant for extension piping is not included at factory shipment. Add an appropriate amount of refrigerant for each system on site. Write down the size and the length of the piping in each system as well as the amount of added refrigerant on the outdoor unit as a reference for servicing. Calculating the amount of refrigerant to be added The amount of refrigerant that is necessary for extension piping is calculated based on the size and the length of the liquid piping. Use the following formula to figure out the amount of refrigerant to be added. Round up the calculation result to the nearest 0. kg. (e.g., If the result is.08 kg, round up the.08 to., which yields. kg.) <Amount of refrigerant to be added> Refrigerant charge calculation Amount of charged refrigerant at factory shipment Liquid pipe size Total length of the ø.7 pipes x 0. (m) x 0.(kg/m) + Sample calculation Liquid pipe size Total length of the ø 9. pipes x 0.0 (m) x 0.0(kg/m) + Total capacity of connected indoor units P0 model P00 model Amount for the indoor unit.0kg.0kg kg x when connected to a system with two outdoor units Outdoor unit model P0 Charged refrigerant amount(kg) 9.0 <Connection to a system with two outdoor unit> 00 model indoor unit : When ø 9. pipes are used and the piping length is 80 m 80(m) x 0.0(kg/m)+.0kg=.8kg (Amount for the extension pipe to each outdoor unit) Caution Charge Liquid Refrigerant Filling the equipment with gas refrigerant will result in a power loss due to transformation of refrigerant in the tank. 0

25 7-.Control Wiring Restrictions when the PFD-type indoor units are connected (related to the system) () The PFD-type indoor units cannot be connected to the ME remote controller. () The address settings must be made on this system. () The following functions cannot be selected on the PFD-type indoor units. ) Switching between automatic power recovery Enabled/Disabled (Fixed to "Enabled" in the PFD-type indoor units) ) Switching between power source start/stop (Fixed to "Disabled" in the PFD-type indoor units) () The PFD-type indoor units and other types of indoor units cannot be grouped. () The following functions are limited when the system controller (such as G-0A) is connected. ) To perform group operation in the system with two refrigerant circuits (combination of two outdoor units and one indoor unit: P00 model only), the addresses of the controller boards No. and No. on a indoor unit must be set within a group. ) The local operation cannot be prohibited with the system controller. ) When the switches of the PFD-type indoor units are set as follows, the unit ON/OFF operation cannot be made with the system controller. When the Normal/Local switching switch is set to "Local" When the DipSW-0 on the control circuit board is set to "ON" ) The PFD type indoor units cannot be grouped with other types of indoor units. () Specifications of control wiring and maximum length of wiring Transmission line is a type of control line. When the source of noise is located adjacent to the unit, the use of shield cable as well as moving the unit as far away from the noise source are recommended. Transmission line (M-NET transmission line) System component Length of transmission line Facility type (noise level measurement) Wiring specifications Cable type n/a All types of facilities Shield cable CVVS CPEVS MVVS No. of cable -core cable Diameter Over.mm For multiple-refrigerant system Total length of indoor/outdoor transmission line Maximum length: 00m Maximum length of centralized control transmission line and Indoor/Outdoor transmission line via indoor/outdoor units: 00m maximum

26 Remote control wiring Wiring specifications Cable type No. of cable Diameter -core cable remote controller VCTF VCTFK CVV CVS VVR VVF VCT 0.~.mm (0.7~.mm ) Total Length Maximum length: 00 m : remote controller includes remote controller, Simple controller, and wireless remote controller. : Cables with a diameter of 0.7mm or smaller recommended for easier handling. : When connecting to Simple controller terminal, use a cable with a diameter within the range shown in the parenthesis. 7-.Types of switch settings and setting methods Whether a particular system requires switch settings depends on its components. Refer to the section 7- Sample System Connection before conducting electrical work. Keep the power turned off while setting the switches. If settings are changed while being powered, the changed settings will not register, and the unit may malfunction. Unit Symbol Outdoor unit OC Indoor unit Main/sub controllers IC 0HP has only the main controller Turn off the power to Outdoor unit Indoor and outdoor units () Address setting The need for address settings and the range of address setting depend on the configuration of the system. Refer to Sample System Connection. Unit or controller Symbol Address setting range Address setting method Factory setting Model Indoor unit Main Sub IC 0~0 (Note ) In case of 0HP system, assign an odd number starting with "0". In case of 0HP system with two refrigerant circuits, assign a sequential odd number starting with "0" to the upper indoor controller, and assign "the address of the upper indoor controller + " to the lower indoor controller. (For the system with one refrigerant circuit, the lower circuit board is not used.) 00 remote controller No address setting required. (The main/sub switch must be configured if two remote controllers are connected to the system or if the indoor units are connected to different outdoor units.) Main Outdoor unit OC ~00 Add 0 to the address assigned to the indoor unit connected the system with one outdoor unit. 00 (Note) If a given address overlaps any of the addresses that are assigned to other outdoor units, use a different, unused address within the setting range.

27 () Power supply switch connector connection on the outdoor unit (Factory setting: The male power supply switch connector is connected to CN.) System configuration System in which indoor units connected to one outdoor unit System in which indoor units connected to multiple outdoor units Connection to the system controller Not connected With connection to indoor-outdoor transmission line With connection to transmission line for centralized control Power supply unit for transmission lines Not required Not required (Powered from the outdoor unit) Required Grouping the indoor units connected to different outdoor units Not grouped Grouped Grouped /Not grouped Grouped /Not grouped Grouped /Not grouped Power supply switch connector connection Leave the male connector on CN as it is. (Factory setting) Disconnect the male connector from the female power supply switch connector (CN) and connect it to the female power supply switch connector (CN0) on only one of the outdoor units (OC). *Connect the S (shielded) terminal on the terminal block (TB7) on the outdoor unit whose male connector on CN was disconnected and connected to CN0 to the earth terminal ( ) on the control box. Leave the male connector on CN as it is. (Factory setting) When the system controller is connected to the indoor/outdoor transmission line and the power is supplied from the outdoor unit, do not to turn off the outdoor unit. If its power supply is cut, the power is not supplied to the system controller, and the functions will not work. () Choosing the temperature detection spot by indoor unit (Factory Setting: SWC Standard ) When using the suction temperature sensor, set SWC to Option. (The discharge temperature sensor is supplied as standard specification.) () Setting the Sub controller When using two remote controllers or running two indoor units as a group, one of the controllers must be set to Sub controller. No more than two remote controllers can be connected to a group. (Factory setting: Main ) Set the controller according to the following procedure. Refer also to the instructions manual supplied with the remote controller. Remove the cover on the remote controller Insert a flat-head screwdriver in the groove shown in the picture, and move the screwdriver in the direction shown in the arrow. Screwdriver Set Dip Switch No. on the remote controller to OFF (Main to Sub) ON Dip switches Remote controller body () Connection of two refrigerant circuits When two refrigerant circuits are connected on site, make the switch settings on the controller circuit board following the instructions described in the installation manual for the indoor unit.

28 7-.Sample System Connection () An example of a system to which an remote controller is connected System connected to one outdoor unit Control Wiring Diagram Leave the male connector on CN as it is. OC TB7 TB M M S M M L IC TB- A B S 0 One indoor controller (controller circuit board) is equipped in the indoor unit (0HP), and two indoor controllers (controller circuit boards) are equipped in the indoor unit (0HP). TB A B 0 TB- A B S Notes Maximum Allowable Length. Leave the male connector on the female power supply switch connector (CN) as it is.. Grounding to S terminal on the terminal block for transmission line for centralized control (TB7) is not required.. Although two indoor controllers (controller circuit boards) are equipped inside the indoor unit (0HP), the board on No. side (lower side) is not used. Do not connect wiring to the lower controller circuit board.. The outdoor unit cannot be connected to the units other than the PFD series indoor units. <a. Indoor/Outdoor transmission line> Maximum Length (.mm or more) L 00m Wiring and Address Setting <a. Indoor/Outdoor transmission line> Connect M, M terminals of the indoor/outdoor transmission line terminal block (TB) on the outdoor unit (OC) and A, B terminals of the indoor/outdoor terminal block (TB-) on the indoor unit (IC). (Non-polarized -core cable) *Only use shielded cables. [Shielded cable connection] Connect the earth terminal of the OC and S terminal of the IC terminal block (TB-). <b. Switch setting> Address setting is required as follows. Steps Indoor unit Unit or controller Main Sub IC IC Address setting range 0~0 0~0 Address setting method Assign a sequential odd number starting with "0" to the upper indoor controller. Assign sequential numbers starting with the address of the main unit in the same group. (Main unit address +) Notes Factory setting 00 Outdoor unit OC ~00 Add 0 to the address assigned to the indoor unit connected to the system with one outdoor unit. 00 remote controller Main Controller Sub Controller Setting not required. Sub Controller Settings to be made with the sub/main switch Main

29 () An example of a system to which an remote controller is connected System connected to two outdoor units Control Wiring Diagram L Disconnect the male power supply connector from CN0 and connect it to CN. OC TB7 TB MM S M M IC TB- A B S 0 One indoor controller (controller circuit board) is equipped in the indoor unit (0HP), and two indoor controllers (controller circuit boards) are equipped in the indoor unit (0HP). Connection TB L Leave the male connector on CN as it is. A B OC TB7 TB M M S M M 0 TB- AB S not connect L Notes. Assign a sequential number to the outdoor unit.. Do not connect the terminal blocks (TB) of the indoor units connected to different outdoor units.. Disconnect the male connector on the controller board from the female power supply switch connector (CN), and connect it to the female power supply switch connector (CN0) on only one of the outdoor units.. Provide grounding to S terminal on the terminal block for transmission line for centralized control (TB7) on only one of the outdoor units.. When the power supply unit is connected to the transmission line for centralized control, leave the male connector on the female power supply switch connector (CN) as it is at factory shipment.. The outdoor unit cannot be connected to the units other than the PFD series indoor units. Maximum Allowable Length Wiring and Address Setting <a. Indoor/Outdoor transmission line> Connect M, M terminals of the indoor/outdoor transmission line terminal block (TB) on the outdoor unit (OC) and A, B terminals of the indoor/outdoor terminal block (TB-) on the indoor unit (IC). (Non-polarized -core cable) *Only use shielded cables. [Shielded cable connection] Connect the earth terminal of the OC and S terminal of the IC terminal block (TB-). <b. Transmission line for centralized control> Daisy-chain terminals M and M on the terminal block for transmission line for centralized control (TB7) on each outdoor unit (OC). Disconnect the male connector on the controller board from the female power supply switch connector (CN), and connect it to the female power supply switch connector (CN0) on only one of the outdoor units. *Only use shielded cables. [Shielded cable connection] <c. Switch setting> Address setting is required as follows. Steps Indoor unit Unit or controller Main Sub To ground the shielded cable, daisy-chain the S-terminals on the terminal block (TB7) on each of the outdoor units. Connect the S (shielded) terminal on the terminal block (TB7) on the outdoor unit whose male connector on CN was disconnected and connected to CN0 to the earth terminal ( ) on the electric box. IC IC Address setting range 0~0 0~0 Address setting method Assign a sequential odd number starting with "0" to the upper indoor controller. Assign sequential numbers starting with the address of the main unit in the same group. (Main unit address +) <a. Indoor/Outdoor transmission line> Maximum Length (.mm or more) L, L 00m <b. Transmission line for centralized control> Maximum Length via outdoor unit (.mm or more) L + L + L 00m Notes Factory setting 00 Outdoor unit OC ~00 Add 0 to the address assigned to the indoor unit connected to the system with one outdoor unit. 00 remote controller Main Controller Sub Controller Setting not required. Sub Controller Settings to be made with the sub/main switch Main

30 () An example of a system to which an remote controller is connected System in which two remote controllers are connected to one indoor unit Control Wiring Diagram Leave the male connector on CN as it is. TB7 M M S OC TB M M L IC 0 TB- A B S One indoor controller (controller circuit board) is equipped in the indoor unit (0HP), and two indoor controllers (controller circuit boards) are equipped in the indoor unit (0HP). m TB m A B (Main) A B (Sub) A B TB- A B S 0 Notes Maximum Allowable Length. Leave the male connector on the female power supply switch connector (CN) as it is.. Grounding to S terminal on the terminal block for transmission line for centralized control (TB7) is not required.. Although two indoor controllers (controller circuit boards) are equipped inside the indoor unit, the board on No. side (lower side) is not used. Do not connect wiring to the lower controller circuit board.. No more than two remote controllers (including both main and sub controllers) can be connected to a group of indoor units. If three or more remote controllers are connected, remove the wire for the remote controller from the terminal block (TB).. The outdoor unit cannot be connected to the units other than the PFD series indoor units. <a. Indoor/Outdoor transmission line> Same as (). Wiring and Address Setting <b. remote controller wiring> [When two remote controllers are connected to the system] When two remote controllers are connected to the system, connect terminals and of the terminal block (TB) on the indoor unit (IC) to the terminal block on the remote controllers (option). *Set the Main/Sub switch on the connected remote controllers (option) to SUB. (See the installation manual for the remote controller for the setting method.) <c. Switch setting> Address setting is required as follows. Steps Indoor unit Unit or controller Main Sub IC IC Address setting range 0~0 0~0 Address setting method Assign a sequential odd number starting with "0" to the upper indoor controller. Assign sequential numbers starting with the address of the main unit in the same group. (Main unit address +) <a. Indoor/Outdoor transmission line> Same as (). <b. remote controller wiring> Maximum overall length (0.-.mm or more) m + m 00m Notes Factory setting 00 Outdoor unit OC ~00 Add 0 to the address assigned to the indoor unit connected to the system with one outdoor unit. 00 remote controller Main Controller Sub Controller Setting not required. Sub Controller Settings to be made with the sub/main switch Main

31 () An example of a system to which an remote controller is connected System in which two indoor units are grouped with the remote controller Control Wiring Diagram Leave the male connector on CN as it is. OC L IC Leave the male connector on CN as it is. OC L IC TB7 MM S TB MM 0 TB- A B S TB7 M M S TB MM 0 TB- A B S One indoor controller (controller circuit board) is equipped in the indoor unit (0HP), and two indoor controllers (controller circuit boards) are equipped in the indoor unit (0HP). TB TB m m A B (Main) A B (Sub) 0 0 TB- A B S TB- A B S m Notes Maximum Allowable Length. Leave the male connector on the female power supply switch connector (CN) as it is.. Grounding to S terminal on the terminal block for transmission line for centralized control (TB7) is not required.. Although two indoor controllers (controller circuit boards) are equipped inside the indoor unit, the board on No. side (lower side) is not used. Do not connect wiring to the lower controller circuit board.. No more than two remote controllers (including both main and sub controllers) can be connected to a group of indoor units. If three or more remote controllers are connected, remove the wire for the remote controller from the terminal block (TB).. The outdoor unit cannot be connected to the units other than the PFD series indoor units. <a. Indoor/Outdoor transmission line> Same as (). Wiring and Address Setting <b. remote controller wiring> [Group operation of indoor units] To perform a group operation of indoor units (IC), daisy-chain terminals and on the terminal block (TB) on all indoor units (IC). (Non-polarized - core cable) *Set the Main/Sub switch on one of the remote controllers to SUB. <c. Switch setting> Address setting is required as follows. Steps Indoor unit Unit or controller Main Sub IC IC Address setting range 0~0 0~0 Address setting method Assign a sequential odd number starting with "0" to the upper indoor controller. Assign sequential numbers starting with the address of the main unit in the same group. (Main unit address +) <a. Indoor/Outdoor transmission line> Same as (). <b. remote controller wiring> Maximum overall length (0.-.mm or more) m + m + m 00m Notes Factory setting 00 Outdoor unit OC ~00 Add 0 to the address assigned to the indoor unit connected to the system with one outdoor unit. 00 remote controller Main Controller Sub Controller Setting not required. Sub Controller Settings to be made with the sub/main switch Main 7

32 () System with remote controller and G-0A System with multiple indoor units (0HP, 0HP) L Control Wiring Diagram There is one indoor controller board inside indoor unit. L Use CN as is. OC IC There are two indoor controller boards inside indoor unit. Use CN as is. OC L IC 0 0 TB7 TB MMS MM TB- A BS TB7 TB MM S MM TB- A B S TB not connect TB L Power Supply ABS m A B L Use CN as is. OC m A B L G-0A ABS DC power supply line (DCV) TB7 TB MM S MM TB- A B S 0 Option not connect L Notes. Be sure to use odd numbers to set the address for indoor units (0 HP and 0HP connected to the one outdoor unit).. To set the indoor unit address for 0 HP connected to two outdoor units, use odd numbers for the top controllers and use even numbers for the bottom controllers (Main controller plus ).. Use the power supply switch connector (CN) on the outdoor unit as is.. It is not necessary to ground the S terminal of transmission line terminal board for centralized controller on the outdoor unit. No more than two main/sub remote controllers can be connected to the indoor unit in the same group. When more than two remote controllers are present in the system, disconnect remote controller from TB in the indoor unit.. Put both types of the addresses for P00-type indoor units in the same group when setting groups for indoor units with system controller (ex. G-0A). Maximum Allowable Length <a. Indoor/Outdoor transmission line> L, L, L 00m <b. Transmission Line for Centralized Control > L + L + L + L + L 00m L + L + L + L 00m <c. Remote Controller Line > Total Length (0. ~.mm ) m 00m Wiring and Address Setting <a. Indoor/Outdoor transmission line> Same as (). <b. Transmission line for centralized control> Daisy-chain terminals M and M on the terminal block for transmission line for centralized control (TB7) on each outdoor unit (OC). *Only use shielded cables. [Shielded cable connection] To ground the shielded cable, daisy-chain the S-terminals on the terminal block (TB7) on each of the outdoor units. <c. Switch setting> Address setting is required as follows. Address Unit or controller Address setting method Notes setting range Steps Indoor unit Main (0HP, 0HP) Sub (0HP) IC IC 0~0 0~0 Assign a sequential odd number starting with "0" to the upper indoor controller. Assign sequential numbers starting with the address of the main unit in the same group. (Main unit address +) Factory setting 00 Outdoor unit OC ~00 Add 0 to the address assigned to the indoor unit connected to the system with one outdoor unit. 00 remote controller Main Controller Sub Controller Setting not required. Sub Controller Settings to be made with the sub/main switch Main 8