![Haier AC24CS1ERA(S) [83/137] Defrosting operation flow chart](/img/pdf.png)
Haier AC24CS1ERA(S) [83/137] Defrosting operation flow chart
![Haier AC24CS1ERA(S) [83/137] Defrosting operation flow chart](/views2/1808438/page83/bg53.png)
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.
beginning end
fixed frequency indicated FQY 60s defrosting FQY 80 Hz（E） 60s soft startup
compressor
0HZ 0HZ
5s
outdoor motor ON send defrosting signal to indoor Auto
OFF
4-way valve ON
OFF 15s
450-pulse 450-pulse
350-pulse(E)
all EEVs auto open angle auto open angle
all indoor motors ON
OFF anti-cold air function
Dischar
g
in
g
tem
p
. TD
If keeping for 10s, the unit stops, 3 minutes later, the unit can
re-startup. If in 60 minutesthe unit occurs alarm for 3 times, the
failure can be eliminated.
Reduce FQY rapidly 2HZ/S
Reduce FQY rapidly 1HZ/S
Reduce FQY slowly 1HZ/10S
Remain FQY
Increase FQY slowly 1HZ/10S
120℃
115℃
110℃
105℃
100℃
95℃
>_]]VbTZR\ <Zb >_^UZdZ_^Vb
-82-
3.6.4 Defrosting operation flow chart
3.7Frequency control when Td is too high
Содержание
- Commercial air conditioning 1
- Models 1
- Multi upgrade series 1
- Service manual 1
- Contents 2
- Brief introduction for t1 t2 t3 working condition 3
- Description of products features 3
- Operating range of air conditioners 3
- Products code explanation 3 u 19 f s 1 e r a 3
- Adopt the much friendlier refrigerant r410a 4
- Auto restart function optional 4
- Commercial air conditioner 4
- Constant temperature control 4
- Dac split inverter type 4
- Dc inverter technology high energy efficiency higher eer a energy saving for the 4
- High voltage communication convenient wiring work 4
- Multiple control types 4
- Precise control more comfortable and more reliable 4
- Product features 4
- Self diagnostic function 4
- Universal indoor units for multi upgrade series unitary smart dc inverter and haier 4
- Central control function if connected with a central controller 5
- Commercial air conditioner 5
- Indoor unit 220v 1 50 60hz 5
- Product lineup 5
- Universal power supply for 50hz and 60hz 5
- Weekly timing function if connected with a weekly timer 5
- Commercial air conditioner 6
- Item model 3u19fs1era 6
- Specifications 6
- Item model 4u25hs1era 7
- Item model 4u30hs1era 8
- Item model 5u34hs1era 9
- A unit connection 21
- B unit connection 21
- C unit connection 21
- D unit connection 21
- Dimension 21
- Gas pipe ø9 2 flared 3 8 a b c unit ø12 flared 1 2 d unit 21
- Liquid pipe ø6 5 flared 1 4 21
- U19fs1era 21
- U25hs1era 4u30hs1era 21
- A unit connection 22
- B unit connection 22
- C unit connection 22
- D unit connection 22
- E unit connection 22
- Gas pipe ø9 2 flared 3 8 a b c d unit ø12 flared 1 2 e unit 22
- Liquid pipe ø6 5 flared 1 4 22
- U34hs1era 22
- Cassette type unit ab24 25
- View c view c 25
- View d 25
- Multi combination and the data 26
- Pipe and wiring installation 26
- U19fs1era combination and the data 26
- U25hs1era combination and the data 27
- U34hs1era combination and the data 31
- U34hs1era combination and the data 32
- U34hs1era combination and the data 33
- Limitation values on pipe installation 37
- U19fs1era 37
- U25 30hs1era 38
- U34hs1era 39
- Connection cautions 40
- Outdoor installation 41
- Cassette type ab era 50
- Convertible type ac era 55
- Selecting the mounting position 55
- Under ceiling 55
- A floor console type 56
- Preparing indoor unit installation 56
- Arrange the drain hose lower than this portion drain hose 57
- B under ceiling type 57
- Caution 57
- Drain hose 57
- Ok no no 57
- Using the installation template drill holes for piping and anchor bolts for holes fig 0 57
- Caution 58
- Install the brackets with nuts washers and spring washers fig 15 58
- Installing brackets 58
- Connecting the piping 59
- Fig 21 59
- Outdoor unit installation 59
- If not aligned tighten the nut by force will damage the nut that result in gas leakage 60
- Please refer to the installation manual of outdoor unit 60
- To ensure the efficiency pipes shall be as short as possible 60
- A for solid core wiring or f cable fig 4a 61
- B for strand wiring fig 4b 61
- How to connect wiring to the terminals 61
- How to fixed connection cord and power cable at the cord clamp 61
- Caution 62
- Electrical wiring 62
- Caution 63
- Mount the cover plate and the intake grill 63
- Test running 63
- Accessories for installation 65
- Choose the installation place 65
- Duct type ad era 65
- Preparation for installation 65
- Installation procedure 66
- Installation for air duct of indoor unit 67
- Air duct insulation 68
- Installation of air return duct 68
- Caution 69
- Requirements 69
- Allowable pipe length and drop 70
- Drain confirmation 70
- Insulation treatment 70
- Pipe and insulation material 70
- Pipe cutting and expanding 70
- Requirement 70
- Supplementary refrigerant 70
- Trial operation 71
- Wiring methods 71
- After finishing wiring connecting line must be fastened by wire clamp which pressed on the external sheath of the connecting line as shown in the right figure 72
- Crimp connection method of connecting line 72
- For connecting line which end is not a ring its wiring method as follows loosen wiring screw ans insert the end of connecting line totally into the terminal block then tighten the screw and pull the connecting line slightly to confirm that it is clamped firmly 72
- Wiring method of straight terminal 72
- Outdoor unit 73
- Pcb photo wiring diagram and function description 73
- U19fs1era filter board 73
- U34hs1era filter board 4u25 30hs1era filter board 73
- Address 1 address 2 address 16 75
- Capacitor 75
- Compressor 75
- Dc fan motor 75
- Definition of sw1 on malfunction display state when out of factory normal operating compulsive heating compulsive cooling rated operating 75
- Defrosting parameter on 6 off 8 default 75
- Heater 75
- Module 75
- Quiet operation on available off unavailable default 75
- Reactor 75
- U19fs1era 75
- Way valve 75
- Wiring diagram 75
- Compressor 76
- Electronic control unit 76
- Heater 76
- Module 76
- To indoor units c 76
- To indoor units d 76
- To indoor units e 76
- Definition 77
- Detection for wrong wiring 77
- Dip switch is on 77
- Note 0 means the dip switch is off 1 means the 77
- Off off off off 77
- Off off off on 77
- Off off on off 77
- Off on off off 77
- On off off off 77
- On on on on 77
- Outdoor main pcb 0151800075 sw5 definition 77
- Rated operation 77
- Small service pcb 0151800076 77
- State when out of factory compulsory heating 50hz outdoor motor 5 class standard open angle 200 the others are normal compulsory cooling 60hz outdoor motor 7 class standard open angle 200 the others are normal 77
- Sw1 definition 77
- Sw6 outdoor central control address setting 77
- Sw7 pre set dip switch 77
- Switch setting and functions 77
- Time defrost valid 77
- Main control functions 3 refrigerant diagram 78
- Pipe system for 3u19fs1era 78
- Pipe system for 4u25 30hs1era 79
- Compressor running frequency range 20 95rps 80
- Defination of high efficiency operation and its frequency control in order to meet the cooling request at high ambient temperature and the heating request at low ambient temperature we set the high efficiency operation entering condition cooling mode tao 33 e heating mode tao 5 e 3 electronic expansion valve eev control 3 electronic characteristic 80
- Driving speed pps 80
- Max open angle 500 pulse 80
- Outdoor frequency control 80
- Pipe system for 5u34hs1era 80
- Defrosting operation flow chart 83
- Ab ac ad wiring 89
- Diagram 89
- Electrical control functions for cassette and convertible type 90
- When the wiring controller is used to control many units the wiring controller communication address of indoor unit need be setted 90
- 2 3 4 definition state when out of factory normal operating compulsive heating frequency 50hz pmv 200 pulse class 5 of outdoor fan motor 96
- Compressor overcurrent 96
- Compulsive cooling frequency 60hz pmv 200 pulse class 7 of outdoor fan motor 96
- Definition of sw1 on malfunction display 96
- Diagnostic code and trouble shooting 96
- Diagnostic code for outdoor unit 96
- Ecu electronic control unit mcu micro control unit pmv pulse modulated valve 96
- Faulty of outdoor unit eeprom 96
- Input overcurrent 96
- Malfunction of ambient temp sensor 96
- Malfunction of compressor discharge temp sensor 96
- Malfunction of compressor suction temp sensor 96
- Malfunction of defrosting temp sensor 96
- Malfunction of gas pipe temp sensor for indoor unit c 96
- Malfunction of gas pipe temp sensor for indoor unit d 96
- Malfunction of liquid pipe temp sensor for indoor unit a 96
- Malfunction of liquid pipe temp sensor for indoor unit b 96
- Malfunction of liquid pipe temp sensor for indoor unit c 96
- Malfunction of liquid pipe temp sensor for indoor unit d 96
- Malfunction of liquid pipe temp sensor for indoor unit e 96
- Malfunction of piping temp sensor 96
- Malfunction of the dc fan motor 96
- Off off off off 96
- Off off on off 96
- Off on off off 96
- On off off off 96
- Product diagnosis procedure 96
- Rated operating 96
- System high pressure protection refrigerant overabundance high condensing temp or malfunction of fan motor 96
- System high pressure switch off 96
- System low pressure protection refrigerant shortage low defrosting temp or malfunction of fan motor 96
- System low pressure switch off 96
- Trouble shooting 98
- Check if the fan motor input connection is fixed badly cn3 on pcb 99
- Check the fan motor feedback wire is fixed badly cn23 on pcb 99
- Pcb is faulty and replace it 99
- Replace fan motor feedback port cut off power supply and be electrified again 99
- Replace fan motor input port cut off power supply and be electrified again 99
- Yes yes 99
- Can not be resumed for a long time that shows 100
- Compressor damaged 100
- Damaged compressor results in this failure 10 possibility 100
- Diagram 70 possibility 100
- Failure can be resumed 100
- Main control board is faulty replace it 5 possibility 100
- Over high system pressure results that the unit stop and the compressor protection will work the 100
- Power module spdu damaged please replace the power module then re wiring as per the wiring 100
- Pressure switch wire is not fixed well or in open circuit 100
- Reasons 100
- Rotor compressor great vibration compressor abnormal startup state detecting curcuit abnormal or 100
- Short circuit in power board results in the power module damaged 15 possibility 100
- The former twice failure can be resumed automatically if outdoor board occurs this failure always and 100
- Trouble 10 high pressure failure 100
- Trouble 9 ac current over current protection or current transducer damaged or compressor blocked 100
- Outdoor performance curves 102
- Heating capacity w 103
- Outdoor temperature d b 103
- A cooling air velocity distribution 106
- Ab092 182cs1era 106
- Air velocity distribution 106
- B cooling temperature distribution 106
- Cooling blowy angle 40 106
- Indoor air velocity and temperature distribution curves 106
- Temperature distribution 106
- C heating air velocity distribution 107
- D heating temperature distribution 107
- Heating blowy angle 70 107
- Heating blowy angle 70 air velocity distribution 107
- M s 1 m s 107
- Temperature distribution 107
- A cooling air velocity distribution 108
- A grounding 108
- Ac14 182cs1era 108
- B cooling temperature distribution 108
- A cooling air velocity distribution 110
- B ceiling 110
- B cooling temperature distribution 110
- Ad09ls1era ad12ls1era 112
- Ad18ls1era 112
- Air flow 112
- Air flow and static pressure chart 112
- Pa 15pa 10pa 5pa 0pa 112
- Static pressure pa 112
- 3 octave band noise level ab18cs1era 116
- Sound pressure level db 116
- Z h y c n e u q e rf d n a b e v a tc o d rih t 116
- B convertible type indoor unit 117
- 3 octave band noise level ac18cs1era 118
- Cooling high 118
- Cooling low 118
- Cooling med 118
- Fan high 118
- Fan low 118
- Fan med 118
- Heating high 118
- Heating low 118
- Heating med 118
- Sound pressure level db 118
- Third octave band frequency hz 118
- C duct type indoor unit 120
- 10 15 20 25 30 35 40 45 50 121
- 3 octave band noise level ad18ls1era 121
- Cooling high 121
- Cooling low 121
- Cooling med 121
- Cooling super high 121
- Fan high 121
- Fan low 121
- Fan med 121
- Fan super high 121
- Heating high 121
- Heating low 121
- Heating med 121
- Heating super high 121
- Sound pressure level db 121
- Third octave band frequency hz 121
- Model name code characteristic 126
- Sensor characteristic 126
- Controller functions 129
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