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NOTE 1

: 

If the indoor unit can not 

start

 or the indoor unit 

stops

 itself after 30s, at the same time the unit do 

not display the fault code, please check the fire and the socket of the control board. 

NOTE 2

: 

If the indoor unit display

s

 the 75,76,77,78 fault code after you turn on the unit, please check the 

TEST seat of the indoor control board or the TEST detection circuit 

to see 

whether short circuit

 

occurs

. 

NOTE 3

:

 

Overload in cooling mode  

Overload in cooling mode 

sr. 

The root cause 

Corrective measure 

1 

The refrigerant is excessive

.

 

Discharge the refrigerant, and recharge 
the refrigerant refer

ring

 to the rating label

.

  

2 

The outdoor ambient temperature is too high

.

 

Please use 

it 

within allowable temperature range 

3 

S

hort-circuit

 occurs in the air outlet and air inlet of 

the outdoor unit.

Adjust  the  installation  of  the  outdoor  unit 
refer

ring

  to the user manual

.

  

4 

The  outdoor  heat  exchanger  is  dirty,  such 
as condenser

.

  

Clean the heat exchanger of the outdoor unit, 
such as condenser

.

  

5 

The speed of the outdoor fan motor is too low

.

 

Check the outdoor fan motor and fan capacitor

.

 

6 

The  outdoor  fan  is  broken  or  the  outdoor  fan 
is blocked

.

  

Check the outdoor fan

.

 

7 

The air inlet and outlet has been blocked

.

 

Remove the blocked 

objects.

 

8 

The expansion valve or the capillary fail

s.

 

Replace the expansion valve or the capillary

.

 

NOTE 4

:

 

Over load in heating mode 

Overload in heating mode 

sr. 

The root cause 

Corrective measure 

1 

The refrigerant is excessive

.

 

Discharge the refrigerant, and recharge 
the refrigerant refer

ring

 to the rating label

.

  

2 

The indoor ambient temperature is too high

.

 

Please use within allowable temperature range

.

 

3 

S

hort-circuit

 occurs in the air outlet and air 

inlet of the indoor unit.

Adjust the installation of the indoor unit refer

ring

 

to the user manual

.

  

4 

The indoor filter is dirty

.

 

Clean the indoor filter

.

 

5 

The speed of the indoor fan motor is too low

.

 

Check the indoor fan motor and fan capacitor

.

 

6 

The indoor fan is broken or the outdoor fan 
is blocked

.

  

Check the indoor fan

.

 

7 

The air inlet and outlet has been blocked

.

 

Remove the blocked 

objects.

 

8 

The expansion valve or the capillary fail

s.

Replace the expansion valve or the capillary

.

 

-

4

1

 -

Содержание WHU09CTA21S

Страница 1: ...U12CTA21S WHU18CTA21S WHU24CTA21S WHU36CTA21S OUTDOOR WHU09SZA21S WHU12SZA21S WHU18SZA21S WHU24SZA21S WHU36SZA21S WESTINGHOUSE and INNOVATION YOU CAN BE SURE OF are trademarks of Westing house Electric Corporation Used under license by FUJITSU GENERAL AMERICA INC All Rights Reserved 2021 12 24 ...

Страница 2: ... equipped with electrical parts If poured it will cause a serious electrical shock Do not open the service cover or access panel for the indoor or outdoor units without turning OFF the main power supply Do not touch or adjust safety devices inside the indoor or outdoor units If these devices are touched or readjusted it may cause a serious accident Refrigerant leakage can cause difficulty in breat...

Страница 3: ...ended Please contact your local agent as the occasion arises 2 Do not use any sprays such as insecticide lacquer hair spray or other flammable gases within approximately one 1 meter from the system If circuit breaker or fuse is often activated stop the system and contact your service contractor Check that the ground wire is securely connected If the unit is not correctly grounded it will lead to e...

Страница 4: ...exchanger type Dimensions H W D in mm 6 9 16 49 1 2 3 4 166 1 258 18 8 6 9 16 47 3 4 1 1 8 166 7 1 213 28 2 7 7 16 73 5 8 1 1 16 189 1 870 27 2 7 7 16 76 3 8 1 5 8 189 1 940 40 8 Fin pitch FPI 20 17 Rows Stages 2 8 3 8 2 10 3 10 Pipe type Copper Fin type Aluminum Dimensions H W D Net in mm 8 1 2 22 1 2 22 1 2 215 570 570 9 3 4 33 1 8 33 1 8 248 840 840 Gross 4 1 2 26 3 4 27 1 8 292 668 730 4 3 4 4...

Страница 5: ...33 1 8 298 840 840 Gross 16 1 2 37 5 8 39 1 4 420 956 996 Weight Net lb kg 70 5 32 Gross 90 5 41 Connection pipe Size Liquid in mm Ø3 8 Ø9 52 Gas Ø3 4 Ø19 05 Method Flare Drain hose Material PE PVC Tip diameter in mm Ø1 1 8 Ø27 8 I D Ø1 1 4 Ø32 3 O D Operation range Cooling F C 61 to 86 16 to 30 RH 80 or less Heating F C 61 to 86 16 to 30 Remote controller type Wireless Wired option Cassette grill...

Страница 6: ... 106 48 155 71 Gross 84 38 88 40 115 52 166 76 Connection pipe Size Liquid in mm Ø1 4 Ø6 35 Ø1 4 Ø6 35 Ø3 8 Ø9 52 Gas Ø3 8 Ø9 52 Ø1 2 Ø12 7 Ø5 8 Ø15 88 Method Flare Pre charge length ft m 24 6 7 5 Max length 82 25 98 30 164 50 Max height difference Indoor unit higher than outdoor unit 33 10 Outdoor unit higher than indoor unit 33 10 Indoor unit higher than outdoor unit 49 15 Outdoor unit higher th...

Страница 7: ...52 Gas Ø3 4 Ø19 05 Method Flare Pre charge length ft m 24 6 7 5 Max length 164 50 Max height difference Indoor unit higher than outdoor unit 98 30 Outdoor unit higher than indoor unit 98 30 Operation range Cooling F C 5 to 118 15 to 48 Heating 4 to 75 20 to 24 NOTES Specifications are based on the following conditions Cooling Indoor temperature of 80 FDB 26 67 CDB 67 FWB 19 44 CWB and outdoor temp...

Страница 8: ... 16 570 Air outlet Air outlet Air inlet Liquid pipe Gas pipe a Ceiling openings a Ceiling openings 24 7 16 620 20 7 8 530 20 1 4 515 24 7 16 620 2 1 16 52 Electric box Drain pipe 2 51 3 11 16 93 5 7 16 138 5 1 16 128 1 5 8 41 3 1 8 79 5 3 16 131 8 7 16 215 a Ceiling openings Cassette grille Option Grid type in mm 22 5 8 to 23 1 4 575 to 590 7 ...

Страница 9: ...ally purchased Washer Accesary 3 8 10 Surface of ceiling 9 5 8 245 4 15 16 110 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 120 3000 or more Piping connection Service access door Piping connection Service access door Piping connection Service access door 8 ...

Страница 10: ... 8 760 Liquid pipe Gas pipe 37 3 8 950 19 5 16 490 18 13 16 478 20 1 2 520 37 3 8 950 Display panel Electric box 33 1 8 841 5 127 4 1 32 102 4 5 16 110 7 1 8 180 5 1 8 130 1 3 4 45 4 5 8 118 4 1 32 102 9 3 4 248 Drain pipe a Ceiling openings Cassette grille Option Grid type in mm 33 7 8 to 35 13 16 860 to 910 9 ...

Страница 11: ... surface of ceiling 4 1 32 102 1 3 4 45 Surface of ceiling W Nut Locally purchased Washer Accesary 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 120 3000 or more Piping connection Service access door Piping connection Service access door Piping connection Service access door 10 ...

Страница 12: ...quid pipe Gas pipe 37 3 8 950 19 5 16 490 18 13 16 478 20 1 2 520 37 3 8 950 Display panel Electric box 33 1 8 841 5 127 4 1 32 102 4 5 16 110 7 1 8 180 5 1 8 130 1 3 4 45 4 5 8 118 4 1 32 102 11 3 4 298 Drain pipe a Ceiling openings Cassette grille Option Grid type in mm 33 7 8 to 35 13 16 860 to 910 11 ...

Страница 13: ...d surface of ceiling 4 1 32 102 1 3 4 45 Surface of ceiling W Nut Locally purchased Washer Accesary 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 60 1500 or more 120 3000 or more Piping connection Service access door Piping connection Service access door Piping connection Service access door 12 ...

Страница 14: ...0 11 1 4 285 Electric box Air outlet 12 3 8 314 5 7 8 150 2 50 20 1 8 510 4 3 8 10 5 8 17 Hole Drain pipe Air inlet 3 76 31 7 8 810 4 3 8 112 1 3 8 35 13 1 4 338 12 1 4 310 6 5 8 167 22 7 8 580 11 3 4 297 5 3 4 146 5 7 8 148 Gas pipe 2 5 Liquid pipe 13 ...

Страница 15: ... 310 1 7 16 36 13 7 16 341 4 7 16 11 11 16 17 Hole 2 50 12 1 8 309 Drain pipe Air outlet Air inlet 4 5 16 109 6 7 16 164 4 7 8 123 4 15 16 125 Gas pipe Liquid pipe 26 3 8 670 12 7 8 327 33 7 8 860 21 3 8 542 6 5 8 168 3 76 12 1 4 312 Electric box 14 ...

Страница 16: ...5 2 5 8 66 4 1 8 105 37 3 8 950 7 1 4 185 22 7 8 580 33 1 16 840 16 1 4 414 1 5 8 41 14 15 16 380 13 3 8 340 4 Ø5 8 Ø15 Hole 2 3 4 70 Drain pipe 13 9 16 344 40 7 8 1 038 3 1 2 88 Air outlet Air inlet Gas pipe Liquid pipe Electric box 90 15 ...

Страница 17: ...Air outlet 40 7 8 1 038 6 1 8 155 2 5 8 66 3 1 2 88 37 3 8 950 22 7 8 580 7 1 4 185 1 5 8 41 41 5 16 1 050 4 1 8 105 13 3 8 340 14 15 16 380 16 1 4 414 2 R 5 16 7 5 2 1 2 65 Air inlet Drain pipe 13 9 16 344 Gas pipe Liquid pipe Electric box 90 16 ...

Страница 18: ...cient installation space for product safety CAUTION Keep the space shown in the installation examples If the installation is not performed accordingly it could cause a short circuit and result in a lack of operating performance 17 Space requirement WHU24SZA21S and WHU36SZA21S ...

Страница 19: ...8 9 Cooling cycle Heating cycle 2 7 List of components 1 Compressor 2 Suction temperature sensor 3 Discharge temperature sensor 4 4 way valve 5 Outdoor heat exchanger 6 Ambient temperature sensor 7 Coil temperature sensor 8 Electric expansion valve 9 Stop valve Liquid 10 Stop valve Gas 18 ...

Страница 20: ...ponents 1 Compressor 2 High pressure switch 3 Discharge temperature sensor 4 Suction temperature sensor 5 4 way valve 6 Outdoor heat exchanger 7 Coil temperature sensor 8 Defrost temperature sensor 9 Ambient temperature sensor 10 Electric expansion valve 11 Stop valve Liquid 12 Stop valve Gas 19 ...

Страница 21: ...omponents 1 Compressor 2 Discharge temperature sensor 3 Suction temperature sensor 4 4 way valve 5 Outdoor heat exchanger 6 Coil temperature sensor 7 Ambient temperature sensor 8 Electric expansion valve 9 Stop valve Liquid 10 Stop valve Gas 11 High pressure switch 12 Low pressure switch 13 Strainer 20 ...

Страница 22: ... according to piping length during installation Model Refrigerant precharged before shipment W0 oz g Total refrigerant pipe length 0 24 6 ft 0 7 5 m Longer than 24 6 ft 7 5 m 9K 33 5 0 95 0g Additional refrigerant charge L 24 6 0 161 oz ft 18K 56 44 1 6 0g 36K 111 2 3 15 0g 12K 45 9 1 3 0g 24K 91 7 2 6 0g Additional refrigerant charge L 24 6 0 376 oz ft Air tight test Additional refrigerant charge...

Страница 23: ...l The difference between tube s temperature Test Test pressure TEST SYSTEM FLOW Conditions Compressor is running The air condition should be installed in good ventilation Tool Pressure Gauge Technique see feel test Check refrigerant system 22 ...

Страница 24: ...ure is close to static pressure NO NO 4 way valve collude or compressor exhaust very ebb yes NO yes Heating mode Test system pressure Is the high pressure normal at service part The pressure on the high side The pressure on the low side Recharge refrigerant after air purging with the vacuum pump Is the high pressure normal over again Air remains at the refrigerant system yes The system needs refri...

Страница 25: ...age YELLOW and GND on motor The voltage repeat 0V DC and 5V DC Notes Please don t hold motor by lead wires Please don t plug IN OUT the motor connector while power is ON Please don t drop hurl or dump motor against hard material Malfunction may not be observed at early stage after such shock But it may be found later this type of mishandling void our warranty 1 Indoor unit fan motor Cassette motor...

Страница 26: ...K ATM150D23UFZ 24K EATF250D22UMT 36K ATF310D43UMT DC Inverter Controller Thermal Sensor Compressor Power Test in resistance TOOL Multi meter Test the resistance of the winding The compressor fails if the resistance of winding is 0 short circuit or open circuit Familiar error 1 Compressor motor lock 2 Discharge pressure value approaches static pressure value 3 Compressor motor winding abnormality 2...

Страница 27: ...ormance will decrease because of its rotor magnetic force decreasing 4 Inductance Familiar error 1 Sound abnormality 2 Insulation resistance disqualification 5 Step motor 5 3 4 2 1 Test in resistance TOOL Multimeter Test the resistance of winding The stepper motor fails if the resistance of winding is 0 short circuit or open circuit 6 Fuse Check for continuity of fuse on PCB ASS Y Remove the PCB A...

Страница 28: ...CN1 CN11 ROOM CN12 COIL CN6 CN19 CN17 VDC C15 6 GND C15 4 VCC C15 3 Vsp C15 2 FB C15 1 VDD GND VCC Vsp FG CN15 DC FAN CN2 LIN DC motor BRN Terminal panel To outdoor unit USE COPPER SUPPLY WIRES L N SI BLU RED CN3 NIN CN3 SI CN18 EARTH SWING CN4 HEAT CN5 STEP CN8 5 CN10 Step motor1 Step motor2 Step motor3 Step motor4 PM OUT INPUT ON OFF output CN16 ON OFF input or Fire input Door input CN9 PUMP YEL...

Страница 29: ...mperature Thermistor Coil temp Thermistor Discharge temp USE COPPER SUPPLY WIRES AC LIN CN501 FG CN901 1 DC FAN MOTOR Vsp CN901 2 Vcc CN901 3 GND CN901 4 310V CN901 6 FG Vsp Vcc GND 310V ELECTRONIC EXPANSION VALVE OVERHEAT PROTECTOR FM M EEV CN510 OVER H CN704 OPTIONAL OUTDOOR TEMP COIL TEMP DISCHARGE TEMP ROOM CN703 COIL CN702 DISS CN701 CN2 AC NIN CN502 EARTH CN503 4 WAY CN507 Heating Belt CN509...

Страница 30: ...er voltage input Lead wire color Blue White Black Yellow Red Control board Thermistor Outdoor temp 20 30 0 68 F F 86 F 32 Temperature Thermistor Coil Defrost temp Thermistor Discharge temp Thermistor Suction temp 15 k 1 3 V 15 k 1 3 V 187 k 0 18 V 6 5 k 2 2 V 6 5 k 2 2 V 72 1 k 0 43 V 4 5 k 2 7 V 15 k 1 3 V 6 5 k 2 2 V 4 5 k 2 7 V 4 5 k 2 7 V 46 5 k 0 64 V Compressor 20 68 F 24 model 0 75 29 ...

Страница 31: ... color Blue White Black Yellow Red Driver board Main Control board USE COPPERR SUPPLY WIRES FM M M SV Thermistor Outdoor temp 20 30 0 68 F F 86 F 32 Temperature Thermistor Coil Defrost temp Thermistor Discharge temp Thermistor Suction temp 15 k 1 3 V 15 k 1 3 V 187 k 0 18 V 6 5 k 2 2 V 6 5 k 2 2 V 72 1 k 0 43 V 4 5 k 2 7 V 15 k 1 3 V 6 5 k 2 2 V 4 5 k 2 7 V 4 5 k 2 7 V 46 5 k 0 64 V Compressor 20 ...

Страница 32: ...come in and out too frequently 4 Block of outdoor heat exchanger 5 Improper setting of temperature 1 Clean the heat exchanger of the outdoor unit such as condenser 2 Remove heating devices 3 Keep certain air tightness indoors 4 Remove block obstacles 5 Check and try to set temperature again Sound from deforming parts During system starting or stopping a sound might be heard However this is due to ...

Страница 33: ... example fault code 36 LED RUN defrost flash 3 times at the same time and LED DEFROST continue flashing 3 times reports No 36 fault Display panel 1 2 Run indicator Red Indicates the fault code represented by 2 digit number Defrost indicator Green Indicates the fault code represented by single digit number LED FALSH CONTROL flash 300mS T1 off 300mS T2 after 2000mS T3 fault code repeat displays as s...

Страница 34: ...rol fault When LED3 is off LED1 and LED 2 indicate main control fault code When LED3 is on LED1 and LED 2 indicate drive control fault code When LED3 is flickering and LED1 LED 2 are all off indicate compressor is preheating Failures display with 5s interval It means LED will be off for 5s to report the next fault code System protection codes display method is the same with main control fault code...

Страница 35: ...Digital Tube Outdoor Control Board Drive fault code display The lamp of drive board flashing shows failure occurs 24K 36K Main control fault display Fault code will be displayed on digital tube board 34 ...

Страница 36: ...LED1 Drive failure indicator Drive fault code display The lamp of drive board flashing shows failure occurs How many times the drive failure lamp flicks will show the failure code Single phase models 35 ...

Страница 37: ...e indoor coil temperature is too low or heating overload indoor coil temperature is too high 1 The indoor unit can not blow air normally 2 The room temperature is too low in cooling mode or the room temperature is too high in heating 3 The filter is dirty 4 The duct resistance is too high to result in low air flow 5 The setting fan speed is too low 6 The indoor unit is not installed in accordance ...

Страница 38: ...2 Replace the low pressure switch 3 Check the welding point to confirm whether the unit leaks and add some refrigerant 4 Replace the expansion valve 5 Replace the outdoor control board Applied to models with low pressure switch or pressure sensor 16 Overload protection in cooling mode System overload Please refer to NOTE 3 17 Discharge temperature sensor fault 1 The wiring of the discharge tempe r...

Страница 39: ...place the upper DC fan motor 4 Replace the driver board of the fan motor 5 Check the outdoor fan and ensure the outdoor fan can run normally 49 The outdoor DC fan motor fault down fan motor 1 2 The connecting wiring of the down DC fan motor is loose The cord of the down DC fan motor fails 3 The down DC fan motor fails 4 The drive circuit of the down DC fan motor fails 5 The outdoor fan has been bl...

Страница 40: ...oor control board to the terminal fails 4 The indoor control board fails 5 The outdoor control board fails 1 Reconnect the connection cable referring to the indoor and outdoor wiring diagram 2 Reconnect the communication cable referring to the indoor and outdoor wiring diagram 3 Replace the communication cable referring to the indoor and outdoor wiring diagram 4 Replace the indoor control board 5 ...

Страница 41: ... loosely 2 The sequence of the wiring between the wired controller to the indoor control board is wrong 3 The wiring between the wired controller to the indoor control board fails 4 The wired controller is fails 5 The indoor control board is abnormal 1 2 Reconnect the wiring between the wired controller to the indoor control board Replace the wiring between the wired controller to the indoor contr...

Страница 42: ...nser 5 The speed of the outdoor fan motor is too low Check the outdoor fan motor and fan capacitor 6 The outdoor fan is broken or the outdoor fan is blocked Check the outdoor fan 7 The air inlet and outlet has been blocked Remove the blocked objects 8 The expansion valve or the capillary fails Replace the expansion valve or the capillary NOTE 4 Over load in heating mode Overload in heating mode sr...

Страница 43: ...set abnormal detected failure Driver board fails Change the driver board 16 Inverter PWM logic set fault 17 Inverter PWM initialization failure 18 PFC_PWM logic set fault 19 PFC_PWM initialization fault 20 Temperature abnormal 21 Shunt resistance unbalance adjustment fault 22 Communication failure 1 Communication wire connection is not proper 2 Driver board fails 3 Control board fails 1 Check the ...

Страница 44: ...er board 8 DC voltage overload voltage 1 Supply voltage input is too high 2 Driver board fault 1 Check the power supply 2 Change the driver board 9 AC voltage imbalance Driver board fails Change the driver board 10 The PFC current detection circuit fault before compressor is ON Bad driver board components Change the driver board 11 AC voltage supply in outrange 1 Power supply is abnormal power fre...

Страница 45: ... board read EE data error 1 EEPROM has no data or data error 2 EEPROM circuit fault 1 Change EEPROM component 2 Change the driver board 19 PFC chip receive data fault Abnormal communication loop Change the drive board 20 PFC soft start abnormally Abnormal PFC drive loop Change the drive board 21 The compressor drive chip could not receive data from PFC chip Communication loop fault Change the driv...

Страница 46: ... Unit 24K 36K Turn off all power sources before setting Without turning off the switches settings are not refreshed and might be invalid Mark of indicates the position of DIP switches Setting is required Refrigerant Piping Length Setting SW2 4 SW2 1 Refrigerant Collection Setting is required Actual Piping Length L m Max length allowed Setting before shipment 45 ...

Страница 47: ...is displayed And press ENTER button to enter systemparameter adaption st ate symbol stop blinking and parameter number blink Select desired parameter code by pressing button following the table below and press ENTER button to confirm Select desired function code by pressing button and press ENTER button to confirm 确定 Wire remote controller Connection cord of wired controller to indoor unit Circuit...

Страница 48: ... indoor unit temperature sensor Integer 0 0 1 0 5 2 1 3 1 5 4 2 5 2 5 6 3 7 3 5 8 4 9 4 5 10 5 the wired controller displays integer with the symbol 9 Heating Temperature Compensation indoor unit temperature sensor Integer 0 0 1 0 5 2 1 3 1 5 4 2 5 2 5 6 3 7 3 5 8 4 9 4 5 10 5 the wired controller displays integer with the symbol 10 Static Pressure Setting Integer 1 240 function code static pressu...

Страница 49: ...3 Suction pressure 14 Outdoor EEV opening 15 AC current input 16 AC voltage 24 Error code 25 Drive error code 26 Indoor unit air outlet temperature 28 Compressor current 29 Indoor unit room temperature 30 Indoor unit coil inlet temperature 31 Indoor unit coil outlet temperature 32 Outdoor unit condenser inlet temperature 33 Outdoor unit condenser outlet temperature 43 Outdoor unit defrost temperat...

Страница 50: ...own it the number will be rapidly increased 3 DECREASE button Each time it is pressed the number lowers by 1 hold down it the number will be rapidly decreased 4 The parameters will be displayed after 3s when the checking numbers are selected Query by 7 segment display DC Inverter outdoor control board 7 segment display Introduction It can be used to check outdoor running parameters 7 segment displ...

Страница 51: ...t Opening P 6 Upper DC Motor Revolving Speed P 8 AC Input Voltage P 9 Current P 10 Modular Temperature P 11 Capacity Needed P 12 Modular Fault P 20 Outdoor Ambient Temperature P 21 Outdoor Coil Temperature P 22 Outdoor Defrost Temperature P 23 Suction Temperature P 24 Discharge Temperature H 1 Indoor Unit Fault H 2 Indoor Ambient Temperature H 3 Indoor Coil Temperature H 4 Indoor Setting Temperatu...

Страница 52: ...ed by user and the connecting wire should be 22AWG or above specification The protection control switch is closed under normal conditions and off under abnormal conditions 2 Timing sequence description Access control 1 Control of entrance card disconnection the air conditioner shall be shut down after the access control signal is disconnected for 30 seconds In this state the indoor unit can t be s...

Страница 53: ...r conditioner shall be shut down and not blow waste cold or warm air after the access control signal is disconnected for 3 seconds In this state the indoor unit can t be started If the user performs starting operation the wired controller shall not respond and displays power off 2 Cancellation of fire protection after the short circuit of fire protection signal release power on restrictions the wi...

Страница 54: ...hite cable is disconnected If other functions such as setting mode and remote controller The positive and brown line is negative to a third party controller when the unit has fault And OUTPUT terminal Instructions for the function setting of ON OFF Output Output Input Input 53 IDU 12V 12V OUTINPUT WHT input Normally open Normally open output WHT PM t u p n i e r fi output input The controller is al...

Страница 55: ...Cassette grille Optional parts WH AG4CT1 1 2 3 4 5 54 Parts list ...

Страница 56: ...Cassette grille Optional parts 1 2 3 4 5 2006699 2006714 1520252 1984063 2008040 Filter net No Part number Description Louver assy Step motor Indicator PCB Display panel WH AG4CT1 55 ...

Страница 57: ...Cassette grille Optional parts WH AG4CT2 1 2 3 4 5 6 7 8 9 56 ...

Страница 58: ... 4 5 6 7 8 9 1525479 1525469 1525470 1571013 1570971 1416317 1557789 1525472 1525599 Filter net No Part number Description Panel cover Sealed plate Display window Indicator PCB Accessory parts Step motor Louver assy Flap assy WH AG4CT2 57 ...

Страница 59: ...Indoor unit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 WHU09CTA21S 58 ...

Страница 60: ... 1226721 Bell mouth hood No Part number Description Drain pan assembly Turbo fan Fan motor Evaporator holder Evaporator assembly Screw Insulation box Fixed board Cabinet Electric box Clamp Clamp Insulative spacer Supporting leg Controller PCB Wire terminal board Electric box cover Rubber ring Over clamp Drain pipe assembly Fixed board Rubber cushion Float switch Rubber cushion Mounting plate Pump ...

Страница 61: ... 60 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Indoor unit WHU12CTA21S ...

Страница 62: ... 1226721 Bell mouth hood No Part number Description Drain pan assembly Turbo fan Fan motor Evaporator holder Evaporator assembly Screw Insulation box Fixed board Cabinet Electric box Clamp Clamp Insulative spacer Supporting leg Controller PCB Wire terminal board Electric box cover Rubber ring Over clamp Drain pipe assembly Fixed board Rubber cushion Float switch Rubber cushion Mounting plate Pump ...

Страница 63: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 62 Indoor unit WHU18CTA21S ...

Страница 64: ... 1515050 1509699 1428008 1362154 1462582 4175260 Top plate No Part number Description Air duct plate Fan motor Cabinet Insulation box Pump motor Cover Drain hose Turbo fan Drain pan assembly Bell mouth hood Electric box Electric box cover Wire terminal board Controller PCB Thermistor coil Evaporator holder Evaporator assembly Cabinet Connecting plate Side panel Thermistor room Float switch Screw R...

Страница 65: ... 64 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 Indoor unit WHU24CTA21S ...

Страница 66: ... 1509696 1515050 1509699 1428008 1362154 4175260 Top plate No Part number Description Air duct plate Fan motor Cabinet Insulation box Pump motor Cover Drain hose Turbo fan Drain pan assembly Bell mouth hood Electric box Electric box cover Wire terminal board Controller PCB Screw Thermistor coil Evaporator holder Evaporator assembly Cabinet Connecting plate Side panel Thermistor room Float switch R...

Страница 67: ...2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 66 Indoor unit WHU36CTA21S ...

Страница 68: ... 1509680 1515050 1509692 1428008 1362154 4175260 Top plate No Part number Description Air duct plate Fan motor Cabinet Insulation box Pump motor Cover Drain hose Turbo fan Drain pan assembly Bell mouth hood Electric box Electric box cover Wire terminal board Controller PCB Screw Thermistor coil Evaporator holder Evaporator assembly Cabinet Connecting plate Side panel Thermistor room Float switch R...

Страница 69: ...Outdoor unit WHU09SZA21S 68 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 ...

Страница 70: ... Refrigerant cycle 69 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ...

Страница 71: ... Electrical parts 70 32 33 34 35 36 37 38 39 40 31 41 ...

Страница 72: ... cover Senser mount plate Condenser assembly Valve 4 way assembly Solenoid Compressor EEV coil EEV No Part number Description 41 22 23 24 25 26 27 28 29 30 31 32 33 1555574 2033746 2034316 2034281 1961881 1854766 1805723 1926233 1226723 1899954 2084740 2089057 1926317 2078758 1993154 1881059 1832676 1822633 1837502 1831029 1453803 Stop valve Soundproof cotton Soundproof cotton Soundproof cotton Ba...

Страница 73: ...Outdoor unit WHU12SZA21S 72 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 ...

Страница 74: ... Refrigerant cycle 73 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ...

Страница 75: ... Electrical parts 74 32 33 34 35 36 37 38 39 40 31 41 ...

Страница 76: ... cover Senser mount plate Condenser assembly Valve 4 way assembly Solenoid Compressor EEV coil EEV No Part number Description 41 22 23 24 25 26 27 28 29 30 31 32 33 1555574 1961881 1854766 1805723 1926233 1226723 1899954 2089130 2089057 1926317 2078758 1993154 1881059 1832676 1822633 1837502 1831029 1453803 Stop valve Soundproof cotton Soundproof cotton Soundproof cotton Base assembly Tube electri...

Страница 77: ...Outdoor unit WHU18SZA21S 76 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 ...

Страница 78: ... Refrigerant cycle 77 17 18 19 20 21 22 23 24 25 26 27 28 29 30 35 31 34 48 32 33 ...

Страница 79: ... Electrical parts 78 36 37 38 39 40 41 42 43 45 46 47 44 ...

Страница 80: ...arge tube assy Valve assembly Valve 4 way Suction tube assy C tube Solenoid Compressor No Part number Description 44 45 46 47 25 26 27 28 29 30 31 32 33 34 35 36 1848625 2089001 2034414 2034398 2034291 2087547 EEV coil EEV Soundproof cotton Soundproof cotton Soundproof cotton Base assembly 1807108 1876827 1226723 1987100 2086379 1987098 1924933 2078758 1993154 1964513 1440764 1487330 1822633 18375...

Страница 81: ...Outdoor unit WHU24SZA21S 80 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 1 ...

Страница 82: ... Refrigerant cycle 22 23 24 25 26 27 28 29 30 32 33 34 35 36 31 81 37 ...

Страница 83: ... Electrical parts 82 38 39 40 42 43 44 45 46 47 48 49 41 ...

Страница 84: ...nduit Mounting plate Valve 4 way assembly Discharge tube assy Suction tube assy Solenoid No Part number Description 45 46 47 48 49 26 27 28 29 30 31 32 33 34 35 36 37 2005163 1993782 1385852 1458701 1914293 1469377 2003631 1391303 2034421 2034416 2098054 2008554 2004833 2009368 1944799 2013786 1469172 1933518 1993154 1993161 1395042 1421856 1457946 1902722 4017037 Condenser assembly Compressor EEV...

Страница 85: ...Outdoor unit WHU36SZA21S 84 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 ...

Страница 86: ... Refrigerant cycle 85 17 18 19 20 21 22 23 24 25 26 27 28 29 30 32 33 31 ...

Страница 87: ... Electrical parts 86 34 35 36 37 38 39 40 42 43 44 45 46 47 48 49 41 ...

Страница 88: ...ndproof cotton Soundproof cotton Base assembly Mounting plate Stop valve Stop valve EEV No Part number Description 45 46 47 48 49 26 27 28 29 30 31 32 33 34 35 36 37 1385852 2000085 1993788 1391303 1926428 1821777 1302932 1926166 2008654 1464292 1465466 1343638 1464281 1916769 1519508 1917312 2020306 1993161 1993154 1483085 1395042 1421856 1464346 1902722 4017037 EEV coil Tube electric heater Plat...

Страница 89: ...emote controller 1 Indoor installation accessory kit For 18 24 36 models 1 Wireless remote controller operation manual 1 Union nut Gas 1 Wireless remote controller holder 1 Union nut Liquid 1 Warranty card 1 88 Outdoor unit Part name Q ty Part name Q ty Installation and operation manual 1 Drain hose 1 Rubber cushion 1 Indoor unit ...

Страница 90: ......

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