![Haier HCFU-42CH03 [14/39] Refrugerant circuit](/img/pdf.png)
Haier HCFU-42CH03 [14/39] Refrugerant circuit
![Haier HCFU-42CH03 [14/39] Refrugerant circuit](/views2/1807744/page14/bge.png)
Commercial Air Conditioner
8. Refrugerant circuit
Model: HCFU-42CH03
HCFU-42HK03
cooling
maintenance
valve
low
pressure
switch
maintenance
valve
high pressure
switch
muffle
discharging temp.
sensor
compressor
heater
air-liquid
segregator
3-way valve
(air side)
indoor coil temp. sensor
evaporator
stop valve
(liquid side)
capillary
condenser
defrost temp. sensor
capillary
stop valve
(liquid side)
cooling
3-way valve
(air side)
evaporator
indoor coil temp. sensor
air-liquid
segregator
compressor
low
pressure
switch
maintenance
valve
muffle
discharging temp.
sensor
high pressure
switch
maintenance
valve
4-way valve
condenser
defrost temp. sensor
heater
HCFU-42CH03
HCFU-42HK03
Содержание
- Commercial air conditioning 1
- Features 1
- Service manual 1
- Contents 2
- Brief introduction for t1 t2 t3 working condition 3
- Commercial air conditioner 3
- Description of products features 3
- Operating range of air conditioners 3
- Products code explanation 3
- Central control function if connected with a central controller 4
- Product features 4
- 1700 scroll 5
- 50 0 56 5
- 700 240 1710 790 315 5
- 830 410 1130 930 490 capillary tube 5
- Automatic 5
- Axial 1 5
- Commercial air conditioner 5
- Cooling 43 60 heating 6 7 5
- Direct start 5
- Hcfu 42ch03 white jt160gaby1l dakin 5
- Hcfu 42hk03 5
- Inner grooved φ7 5
- Inner grooved φ9 2 5
- Inner protection 5
- Model hcfu 42ch03 5
- Ph 380 400v 50hz 5
- Remote 53 51 49 5
- Specification 5
- Suniso 4gsdid k daphne se56p 5
- 1700 scroll 6
- 340 1250 1050 440 1375 6
- 700 240 6
- 790 315 pp 20 25 6
- Automatic 6
- Axial 2 840 50 6
- Capillary tube 6
- Commercial air conditioner 6
- Cooling 43 60 heating 6 7 6
- Direct start 6
- Hcfu 42hk03 6
- Hcfu 42hk03 white jt160gaby1l dakin 6
- Inner grooved φ7 6
- Inner grooved φ9 2 6
- Inner protection 6
- Model hcfu 42ch03 6
- Ph 380 400v 50hz 6
- Remote 53 51 49 6
- Suniso 4gsdid k daphne se56p 6
- Commercial air conditioner 7
- Controller functions 13
- Commercial air conditioner 14
- Hcfu 42ch03 14
- Hcfu 42hk03 14
- Model hcfu 42ch03 hcfu 42hk03 14
- Refrugerant circuit 14
- Commercial air conditioner 15
- Electrical control functions 15
- Outdoor control function 15
- Commercial air conditioner 16
- Commercial air conditioner 17
- Commercial air conditioner 18
- Commercial air conditioner 19
- Indoor control function 19
- Commercial air conditioner 20
- Falling 20
- Rising 20
- Commercial air conditioner 21
- Commercial air conditioner 22
- Commercial air conditioner 23
- 01 01h 01d 24
- 02 02h 02d 24
- 03 03h 20d 24
- 05 05h 17d 24
- 06 06h 05d 24
- 07 07h 06d 24
- 08 08h 21d 24
- 11 0bh 30d 24
- 13 0dh 31d 24
- 71 47h 22d 24
- 72 48h 10d 24
- 73 49h 12d 24
- 74 4ah 11d 24
- 76 4ch 15d 24
- 83 53h 14d 24
- 84 54h 26d 24
- Central controll er display 24
- Commercial air conditioner 24
- Eeprom data loss default operation 24
- Fault description possible cause remedy 24
- Model hcfu 42ch03 hcfu 42hk03 24
- Remote control indoor pcb flash times 24
- Time shorting function if the time shorting port is in short circuit the unit will perform a 1 60 time shorting control 12 high pressure protection after compressor is running for 3 minutes the unit will check the pipe pressure when the pipe pressure is too high 30 seconds later compressor and outdoor fan motor will stop and then 3 minutes later the unit will be normal within 30 minutes if the compressor stops and will send failure because of too high pressure for 3 times 12 low pressure protection after compressor is running for 3 minutes the unit will check the pipe pressure when the pipe pressure is too low and low pressure switch is running for 30 senconds compressor and outdoor fan motor will stop and will send failure 13 trouble code the remote receiver wired controller and indoor pcb indicator all can indicate the failure code 24
- Wired controll er display 24
- Wrong phase phase failure or loss 24
- 12 0ch 23d 25
- 20 32d 07d 25
- 36 54d 08d 25
- 75 4bh 18d outdoor coil b suction sensor multi 25
- 77 4dh 15d outdoor discharge b oil 25
- 80 50h 15d 25
- Commercial air conditioner 25
- Cooling only heat pump 25
- Current sensor failure or compressor is not started 25
- Detected temperature of discharge line is higher than 120 25
- Forced or not 25
- Indoor unit address 0 other 25
- Indoor units operate in different modes resrorable in same 25
- J5 j5 j6 25
- J7 j7 j8 j9 j10 25
- Jumper selection shows jumper connected on shows jumper disconnected off shows no limitation j1 j2 j3 j4 25
- Model hcfu 42ch03 hcfu 42hk03 25
- Network address selection shows jumper connected on shows jumper disconnected off 25
- Ornarment or not 25
- Other 2p convertible 25
- Oxygen or not 25
- P convertible single blade 25
- Resrorable when lower than 100 25
- Single split multi split 25
- Temp compensation available not available 25
- Temp sensor multi 25
- Time shorting switch 25
- Wired control infrared control 25
- With no outdoor pcb 25
- Commercial air conditioner 26
- Electrical data 26
- Commercial air conditioner 27
- Commercial air conditioner 28
- Commercial air conditioner 29
- Commercial air conditioner 30
- Model hcfu 42ch03 hcfu 42hk03 30
- Commercial air conditioner 31
- J5 sw4 1 function selection outdoor pressure switch control function if outdoor is without pcb 31
- J6 sw4 2 function selection outdoor defrosting temp sensor control function when outdoor is 31
- Means the pressure switch is invalid 0 means the pressure switch is valid 31
- Model hcfu 42ch03 hcfu 42hk03 31
- Without pcb 1means outdoor defrost temp sensor is invalid 0 means outdoor defrost temp sensor is 31
- Commercial air conditioner 32
- Model hcfu 42ch03 hcfu 42hk03 32
- Commercial air conditioner 33
- Model hcfu 42ch03 hcfu 42hk03 33
- Sensor characteristic 33
- Bad cooling 34
- Commercial air conditioner 34
- Cooling 34
- Due to the following procedures 34
- Figure 1 34
- If the refrigerant in the system cannot flow fluently or the airflow circles more slowly please check 34
- Model hcfu 42ch03 hcfu 42hk03 34
- System failure 34
- Troubleshooting 34
- Commercial air conditioner 35
- Communication failure between operation panel and indoor unit 35
- Diagnose and troubleshooting 1 sensor failure 35
- Failure code 35
- Is dc voltage between both ends of sensor near 5v or 0v 35
- Model hcfu 42ch03 hcfu 42hk03 35
- No reconnect 35
- Please refers to control function part page 24 and 25 35
- Relocate if sensor is fixed well 35
- Replace pcb 35
- Replace sensor is sensor resistance acceptable 35
- Replace sensor is sensor short circuit or open circuit 35
- Commercial air conditioner 36
- If there is other failure please check if the dip switch is correct 4 communication failure between outdoor and indoor unit 36
- Low pressure abnormal 36
- Model hcfu 42ch03 hcfu 42hk03 36
- Commercial air conditioner 37
- High pressure failure 37
- Model hcfu 42ch03 hcfu 42hk03 37
- Check if float switch is in good condition with multimeter 38
- Clean drain pan 38
- Commercial air conditioner 38
- Confirm the malfunction according to the fault code list 38
- Drainage failure 38
- Is drain pan dirty and float switch ineffective 38
- Is drain pipe clogged 38
- Is float switch holder tinted that float can t move or too close to pump motor that interference arises 38
- Is pump motor in good condition 38
- Model hcfu 42ch03 hcfu 42hk03 38
- Note float switch is close in normal state when being activated it is open voltage between both ends is 0v when close approximately 5v when open 38
- Overcurrent protection 38
- Replace indoor pcb 38
- Unclog pipe and water pump 38
- Yes adjust holder 38
- Yes replace float switch 38
- Yes replace water pump 38
- Haier group 39
- Sincere forever 39
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