![Haier AB25S2SC1FA [4/182] Indoor unit models](/img/pdf.png)
Haier AB25S2SC1FA [4/182] Indoor unit models
![Haier AB25S2SC1FA [4/182] Indoor unit models](/views2/1816520/page4/bg4.png)
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Indoor/outdoor unit models
Compact cassette
AB25S2SC1FA
AB35S2SC1FA
Low ESP duct
AD25S2SS1FA
AD35S2SS1FA
Medium ESP duct
AD50S2SM1FA
AD71S2SM1FA
Indoor unit models
1U71S2SG1FA
3U52S2SG1FA
3U68S2SG1FA
4U70S2SH1FA
4U85S2SH1FA
Outdoor unit models
Содержание
- Service manual 1
- Contents 2
- Part 1 general information 3
- Indoor outdoor unit models 4
- Indoor unit models 4
- Outdoor unit models 4
- Appearance 5
- Feature 5
- General stop valve 5
- Installation 5
- Screws for left side 5
- Screws for right side 5
- Screws for right side 1 screws for left side 5
- 12345678 6
- On on sw5 6
- Solution supplier 6
- Part 2 indoor units 7
- Specification 8
- Ab25s2sc1fa ab35s2sc1fa 14
- Ad25s2sc1fa ad35s2sc1fa 14
- Dimension 14
- Note the cushion pasted in the bottom plate isn t included in the thickness data 14
- Unit mm 14
- Ad50s2sm1fa ad71s2sm1fa 15
- Note the cushion pasted in the bottom plate isn t included in the thickness data 15
- Ab25s2sc1fa ab35s2sc1fa 16
- Wiring diagram 16
- Heater_l 17
- Y g yellow green 17
- Ad50s2sm1fa ad71s2sm1fa 18
- Heater_l 18
- Y g yellow green 18
- A cooling air velocity distribution 19
- Ab25s2sc1fa ab35s2sc1fa 19
- Air velocity and temperature distribution 19
- B cooling temperature distribution 19
- Cooling blowy angle 40 19
- Cooling blowy angle 40 air velocity distribution 19
- Temperature distribution 19
- C heating air velocity distribution 20
- D heating temperature distribution 20
- Heating blowy angle 70 20
- Heating blowy angle 70 air velocity distribution 20
- M s 1 m s 20
- Temperature distribution 20
- Ad25s2ss1fa 21
- Ad35s2ss1fa 21
- Air flow and static pressure chart 21
- Air flow m 3 21
- Air flow m3 h 21
- Ow m3 h 21
- Static pressure pa 21
- Temperature distribution 21
- Ad50s2sm1fa 22
- Ad71s2sm1fa 22
- Air flow and static pressure chart 22
- Air flow m3 h 22
- Airflow and static pressure chart 22
- Static pressure pa 22
- Installation 23
- For ad50s2sm1fa ad71s2sm1fa installation procedure 35
- Unit model the size of drain opening 38
- Indoor unit pcb 40
- Wired controller 40
- Cautions 41
- Part 3 outdoor units 44
- Specification 45
- Dimension 54
- U52s2sg1fa 3u68s2sg1fa 55
- A unit connection 56
- B unit connection 56
- C unit connection 56
- D unit connection 56
- Flared 1 2 d unit 56
- Flared 1 4 56
- Flared 3 8 a b c unit 56
- Gas pipe 56
- Liquid pipe 56
- U70s2sh1fa 4u85s2sh1fa 56
- Caution warning 57
- Drive moudle 57
- Main control pcb 57
- Wiring diagram 57
- Capacitor board 58
- Cn17 cn18 58
- Compressor 58
- Dc fan motor 58
- L n 4 3 58
- Module 58
- P6 p5 p4 p3 58
- Reactor 58
- To indoor units b 58
- U52s2sg1fa 58
- U52s2sg1fa 3u68s2sg1fa 58
- U68s2sg1fa 58
- Way valve 58
- Compressor 59
- Electronic control unit 59
- Module 59
- To indoor units c 59
- Connect the connecting wires between indoor and outdoor units and ensure the sequence numbers on terminals match with each other 60
- U52s2sg1fa 3u68s2sg1fa 60
- Wiring connection 60
- Connect the connecting wires between indoor and outdoor units and ensure the sequence numbers on terminals match with each other 61
- U70s2sh1fa 4u85s2sh1fa 61
- Piping diagram 62
- U71s2sm1fa 62
- U52s2sg1fa 3u68s2sg1fa 63
- B v e e 64
- U70s2sh1fa 4u85s2sh1fa 64
- Limitation values on pipe installation 65
- Combination and the data 67
- U52s2sg1fa combination and the data cooling 67
- U52s2sg1fa combination and the data heating 68
- U68s2sg1fa combination and the data cooling 69
- U68s2sg1fa combination and the data heating 70
- U70s2sh1fa combination and the data cooling 71
- U70s2sh1fa combination and the data heating 73
- U85s2sh1fa combination and the data cooling 75
- U85s2sh1fa combination and the data heating 78
- 10 18 12 20 14 22 16 24 17 26 18 81
- 12 20 14 22 16 25 18 27 19 30 22 32 23 81
- Capacity kw 81
- Ourdoor db 81
- Outdoor db 81
- Performance curve 81
- Indoor temperature db 82
- Outdoor temperaturedb 82
- U52s2sg1fa 3u68s2sg1fa cooling capacity in relation to temperature 82
- U52s2sg1fa 3u68s2sg1fa heating capacity in relation to temperature 82
- Heating capacity w 83
- Sound pressure level 85
- Sound pressure level 1u71s2sg1fa 85
- Third octave band frequency hz 85
- U71s2sg1fa 85
- Cooling high 86
- Heating high 86
- Sound pressure level 3u52s2sg1fa 86
- U52s2sg1fa 86
- Cooling high 87
- Heating high 87
- Sound pressure level 3u68s2sg1fa 87
- U68s2sg1fa 87
- Cooling high 88
- Heating high 88
- Sound pressure level 4u70s2sh1fa 88
- U70s2sh1fa 88
- Cooling high 89
- Heating high 89
- Sound pressure level 4u85s2sh1fa 89
- U85s2sh1fa 89
- Adhesive tape 90
- Air inlet 90
- Air outlet 90
- Compressor inside of unit 90
- Connecting electric cable for indoor and outdoor drain hose 90
- Drain hose 90
- For 1u71s2sg1fa 10 installation drawings of indoor and outdoor units 90
- Heating insulating material 90
- If using the left side drain pipe make sure the hole is got through 90
- Installation 90
- Non adhesive tape 90
- Oor should be more than 2m 90
- Optional parts for piping 90
- Piping hole cover 90
- Saddle l s with screws 90
- The marks from to in the gure are the parts numbers the distance between the indoor unit and the 90
- Read before installation 91
- Hfc 410a 93
- Cushion rubber 94
- Installation dimension unit mm 94
- Installation of outdoor unit 94
- Caution 95
- Connection of pipes 95
- Piping connection 95
- Air tightness test 96
- Vacuuming 97
- Electrical wiring 98
- Accessories 99
- For 3u52s2sg1fa 3u68s2sg1fa 4u70s2sh1fa 4u85s2sh1fa 99
- Procedure for selecting the location 99
- Installation drawings of indoor and outdoor units 101
- Outdoor unit installation guideline 103
- Precautions on installation 103
- Limitations on the installation 104
- Refrigerant piping work 105
- Warning 106
- Pump down operation 109
- Warning 109
- Wiring work 109
- Part 4 electric control and debugging 114
- Indoor unit pcb 115
- Indoor unit pcb photo dip switch setting and function 115
- Indoor unit dip switch setting 116
- Indoor unit function 118
- Outdoor unit pcb photo 122
- Outdoor unit pcb photo dip switch setting and function 122
- Dip switch setting 126
- Outdoor unit control 127
- Heater on off ambient temp ta 27 32 128
- Defrosting operation flow chart 130
- Unitary 130
- Frequency control when td is too high purpose make compressor frequency control if the discharging temp is too high to lower the discharging temp efficiently and ensure the system can run normally 132
- Unitary 132
- Frequency control when there is ct over current protection 133
- High pressure protection multi when the input signal of pressure switch is high level 1 that shows there is no protection when the input signal of pressure switch is low level 0 for 1 minute that shows high pressure protection works at this time compressor stops outdoor will send the alarm signal the alarm can be resumable if in 60 minutes the failure occurs 3 times the failure can be confirmed and send failure code to indoor meanwhile by controling the max condensate temp tc cooling or tmave heating please confirm as follow in nominal cooling dry heating mode high pressure can be controlled by limiting the max frequency 133
- Low pressure protection multi 1 when compressor is running if output signal of low pressure switch is low level 0 for 1 minute continously compressor will stop outdoor alarms the alarm can be resumable if in 60 minutes the failure occurs 3 times the failure can be confirmed and send failure code to indoor 2 when compressor no running if output signal of low pressure switch is low level 0 for 30 seconds continously alarm will occur 133
- Entering condition 135
- Oil return operation control 135
- Procedure cooling mode refer to the oil return procedure in cooling mode heating mode refer to the oil return procedure in heating mode 135
- The protection treatment in oil return operation in the course of cooling oil return because of all kinds of protection or abnormal unit stop after the unit restart the time will not be cleared the system need another oil return operation in the refrigerant flow course in oil return of cooling mode or after oil return and within 5 minutes after the refrigerant being eliminated is over the anti freeze protection and low pressure protection are invalid other protection is valid in the course of heating oil return because of all kinds of protection or abnormal unit stop the system need not another oil return operation after the unit stop for 3 minutes and enter in heating mode directly in the course of changing to cooling oil return the anti freeze protection and low pressure protection are invalid other protection is valid oil return procedure in cooling mode 135
- Unitary 135
- When the compressor running frequency is lower than 58hz continuously in all and outdoor unit tcm is lower than 50 degree for 5 hours the system will enter oil return operation in the course of mode changeover manual unit stop or protective unit stop the time will be accumulative after compressor restarts up the time will counted continuously in counting time for 5 hour if the compressor running frequency is over 80hz for 10 minutes continuously the time will be cleared also after the heating defrosting the time will be cleared 135
- Oil return procedure in heating mode 136
- Quit condition of oil return 136
- D entering condition when the compressor running frequency is lower than 58hz e continuously for 8 hrs the system will enter oil return operation in the course of mode changeover manual unit stop or protective unit stop the time will be accumulative after the compressor restarts up the time will be counted continuously in a continuous 8 hrs if the compressor running frequency is not less than 72hz for over 10 minutes continuously the accumulative time will be cleared also after the heating defrosting the time will be cleared 137
- E procedure cooling mode refer to the oil return procedure in cooling mode heating mode refer to the oil return procedure in heating mode 137
- F the protection treatment in oil return operation in the course of oil return because of protection or abnormal unit stop after the unit restarts up the time will not be cleared the system will need another oil return operation in the refrigerant flow course in the oil return of cooling mode or after the oil return and within 5 minutes after the refrigerant being eliminated is over the anti freezed protection is invalid and also the low voltage protection is invalid but the other protection is valid in the course of oil return from heating mode to cooling mode if abnormal condition occurs or the unit stops for protection then the system needs not another oil return within 3 minutes after the unit stops and it will start up directly then to heating mode in the course of oil return from heating mode to cooling mode the anti freezed protection is null and void and the low voltage protection is null either the other protection is valid oil return procedure in cooling mode 137
- Diagnostic code 139
- 2 3 4 definition state when out of factory normal operating compulsive heating frequency 50hz pmv 200 pulse class 5 of outdoor fan motor 140
- 9 增加新模块机型 140
- Compressor start failure 140
- Compulsive cooling frequency 60hz pmv 200 pulse class 7 of outdoor fan motor 140
- Diagnosis using the numeral light indicator 140
- Faulty of outdoor unit eeprom 140
- Malfunction of ambient temp sensor 140
- Malfunction of compressor discharge temp sensor 140
- Malfunction of compressor suction temp sensor 140
- Malfunction of defrosting temp sensor 140
- Malfunction of gas pipe temp sensor for indoor unit c 140
- Malfunction of gas pipe temp sensor for indoor unit d 140
- Malfunction of liquid pipe temp sensor for indoor unit a 140
- Malfunction of liquid pipe temp sensor for indoor unit b 140
- Malfunction of liquid pipe temp sensor for indoor unit c 140
- Malfunction of liquid pipe temp sensor for indoor unit d 140
- Malfunction of liquid pipe temp sensor for indoor unit e 140
- Malfunction of the dc fan motor 140
- Malfunction of toci temp sensor 140
- Module input overcurrent 140
- Off off off off 140
- Off off on off 140
- Off on off off 140
- On off off off 140
- On off off off time defrost valid 140
- On on on on detection for wrong wiring 140
- Product diagnosis procedure 140
- Rated operating 140
- System high pressure protection refrigerant overabundance high condensing temp or malfunction of fan motor 140
- System high pressure switch off 140
- System low pressure protection refrigerant shortage low defrosting temp or malfunction of fan motor 140
- System low pressure switch off 140
- U52s2sg1fa 3u68s2sg1fa 4u70s2sh1fa 4u85s2sh1fa 140
- Contents of malfunction possible reasons 141
- Led flash times of indoor pcb wired controller display 141
- Led5 led1 141
- Contents of malfunction possible reasons 142
- Flashing 142
- Led flash times of indoor pcb 142
- Led4 led 3 142
- Outdoor eeprom failure 143
- Trouble shooting 143
- 13 28 36 38 41 temperature sensor failure 148
- Loading of the battery 161
- Functional description 162
- Interface display 164
- Parts and functions 164
- Yr e17 164
- Clock function 166
- Difference between the function of the master wired controller and slave wired controller 166
- Dip switch interpretation for ac 166
- Initialization 166
- Screen saving 166
- Timer function 167
- Timer setting cancellation 167
- Health up down function only valid for part of models 168
- Heat reclaim ventilation function 169
- Sleeping 169
- Switch between fahrenheit and celsius 169
- C heating function only valid for part of models 170
- Energy saving 170
- Filter cleaning 170
- Four way cassette function only valid for part of models 170
- Humidity function only valid for part of models 170
- Malfunction display 171
- Mode setting only valid for part of models 171
- Motion sensing only valid for part of models 171
- Child lock 172
- Parameter inquiry 172
- Unit no setting 172
- Communication malfunction of wired controller 173
- Communication with central controller 173
- Energy saving parameter setting 173
- Non volatile memory 173
- Sensor malfunction 173
- Static pressure grade inquiry and adjustment function 173
- Advanced setting function only valid for part of models 174
- Forced cooling heating 174
- Temp compensation setting 174
- Wiring connections of wire controller 175
- Communication wiring 176
- Wired controller wiring instruction 176
- Appendix sensor characteristic 177
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