Gree GWH12ACC-K6DNA1D User manual

Service Manual
Models:
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GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
GWH09ACC-K6DNA1A
GWH12ACC-K6DNA1D
GWH12ACC-K6DNA4D
GWH12ACC-K6DNA5D
GWH18ACD-K6DNA1D
GWH18ACD-K6DNA5D
GWH18ACD-K6DNA4D
GWH24ACE-K6DNA1A
(Refrigerant R32)
Models:

Service Manual
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................3
2.1 Specication Sheet...........................................................................................................3
2.2 Operation Characteristic Curve ......................................................................................11
2.3 Capacity Variation Ratio According to Temperature .......................................................11
2.4 Cooling and Heating Data Sheet in Rated Frequency ...................................................12
2.5 Noise Curve....................................................................................................................12
3. Outline Dimension Diagram......................................................................13
3.1 Indoor Unit......................................................................................................................13
3.2 Outdoor Unit ...................................................................................................................14
4. Refrigerant System Diagram....................................................................16
5. Electrical Part.........................................................................................................17
5.1 Wiring Diagram...............................................................................................................17
5.2 PCB Printed Diagram .....................................................................................................22
6. Function and Control......................................................................................26
6.1 Remote Controller Introduction .....................................................................................26
6.2 GREE+ App Operation Manual ......................................................................................32
6.3 Ewpe Smart App Operation Manual ...............................................................................33
6.4 Brief Description of Modes and Functions......................................................................34
Part Ⅱ: Installation and Maintenance .................................................45
7. Notes for Installation and Maintenance..........................................45
8. Installation................................................................................................................49
8.1 Installation Dimension Diagram......................................................................................49
8.2 Installation Parts-checking ............................................................................................51
8.3 Selection of Installation Location....................................................................................51
8.4 Requirements for electric connection .............................................................................51
8.5 Installation of Indoor Unit................................................................................................52
8.6 Installation of Outdoor Unit.............................................................................................54
8.7 Vacuum Pumping and Leak Detection ...........................................................................55
8.8 Check after Installation and Test Operation ...................................................................55
Table of Contents

Service Manual
9. Maintenance............................................................................................................56
9.1 Error Code List ...............................................................................................................56
9.2 Procedure of Troubleshooting ........................................................................................64
9.3 Troubleshooting for Normal Malfunction.........................................................................77
10. Exploded View and Parts List ..............................................................79
10.1 Indoor Unit....................................................................................................................79
10.2 Outdoor Unit .................................................................................................................86
11. Removal Procedure.......................................................................................93
11.1 Removal Procedure of Indoor Unit ...............................................................................93
11.2 Removal Procedure of Outdoor Unit ............................................................................98
Appendix:......................................................................................................................113
Appendix 1: Reference Sheet of Celsius and Fahrenheit ..................................................113
Appendix 2: Conguration of Connection Pipe................................................................... 113
Appendix 3: Pipe Expanding Method .................................................................................114
Appendix 4: List of Resistance for Temperature Sensor .................................................... 115
Table of Contents

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit
GWH09ACC-K6DNA1A/I
GWH12ACC-K6DNA1D/I
GWH18ACD-K6DNA1D/I
Outdoor Unit
GWH12QC-K6DNA1D/O
GWH09ACC-K6DNA1A/O Remote Controller
YAC1FB9(WiFi)
GWH18QD-K6DNA1D/O
GWH24QE-K6DNA1E/O
GWH24ACE-K6DNA1A/I
GWH12ACC-K6DNA4D/I
GWH18ACD-K6DNA4D/I
GWH24ACE-K6DNA4A/I GWH12ACC-K6DNA5D/I
GWH18ACD-K6DNA5D/I

2Technical Information
Service Manual
Model List:
No Model Product code Indoor model Indoor
product code Outdoor model Outdoor
product code
Remote
Controller
1GWH09ACC-K6DNA1A CB497003000 GWH09ACC-K6DNA1A/I CB497N03000 GWH09ACC-K6DNA1A/O CB497W03000
YAC1FB9
(WiFi)
2 GWH09ACC-K6DNA1A CB497003001 GWH09ACC-K6DNA1A/I CB497N03000 CB497W03001
3 GWH12ACC-K6DNA1D CB497001601 GWH12ACC-K6DNA1D/I CB497N01600 GWH12QC-K6DNA1D/O CB419W15501
4 GWH12ACC-K6DNA4D CB344000701 GWH12ACC-K6DNA4D/I CB344N00700
5 GWH12ACC-K6DNA5D CB341000600 GWH12ACC-K6DNA5D/I CB341N00600 GWH12QC-K6DNA1D/O CB419W15500
6 GWH12ACC-K6DNA1D CB497001600 GWH12ACC-K6DNA1D/I CB497N01600
7 GWH18ACD-K6DNA1D CB497002100 GWH18ACD-K6DNA1D/I CB497N02100 GWH18QD-K6DNA1D/O CB419W15600
8 GWH18ACD-K6DNA5D CB341000700 GWH18ACD-K6DNA5D/I CB341N00700
9 GWH18ACD-K6DNA4D CB344000901 GWH18ACD-K6DNA4D/I CB344N00900 GWH18QD-K6DNA1D/O CB419W15601
10 GWH18ACD-K6DNA1D CB497002101 GWH18ACD-K6DNA1D/I CB497N02100
11 GWH24ACE-K6DNA1A CB497001901 GWH24ACE-K6DNA1A/I CB497N01900
GWH24QE-K6DNA1E/O CB419W15701
12 GWH24ACE-K6DNA4A CB344000801 GWH24ACE-K6DNA4A/I CB344N00800
13 GWH24ACE-K6DNA1A CB497001900 GWH24ACE-K6DNA1A/I CB497N01900 CB419W15700

3
Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Parameter Unit Value
Model GWH09ACC-K6DNA1A GWH09ACC-K6DNA1A
Product Code CB497003000 CB497003001
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity W 2700 2700
Heating Capacity W 3000 3000
Cooling Power Input W 805 805
Heating Power Input W 779 779
Cooling Current Input A 3.8 3.8
Heating Current Input A 3.5 3.5
Rated Input W 1500 1500
Rated Current A 3.8 3.8
Air Flow Volume(SS/H/MH/M/ML/L/SL) m3/h 610/570/540/470/440/420/390 610/570/540/470/440/420/390
Dehumidifying Volume L/h 0.8 0.8
EER W/W 3.35 3.35
COP W/W 3.85 3.85
SEER W/W 6.8 6.8
SCOP(Average/Warmer/Colder) W/W 4.1/5.1/3.3 4.1/5.1/3.3
Application Area m212-18 12-18
Indoor
Unit
Indoor Unit Model GWH09ACC-K6DNA1A/I GWH09ACC-K6DNA1A/I
Indoor Unit Product Code CB497N03000 CB497N03000
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Φ98X633.5 Φ98X633.5
Cooling Speed(SS/H/MH/M/ML/L/SL) r/min 1200/1100/1050/950/900/850/800 1200/1100/1050/950/900/850/800
Heating Speed(SS/H/MH/M/ML/L/SL) r/min 1150/1100/1050/1000/950/900/850 1150/1100/1050/1000/950/900/850
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.31 0.31
Fan Motor Capacitor μF 1.5 1.5
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5Ф5
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil Length (LXDXW) mm 635X22.8X306.3 635X22.8X306.3
Swing Motor Model MP24BA MP24BA
Swing Motor Power Output W 1.5 1.5
Fuse Current A 3.15 3.15
Sound Pressure Level(SS/H/MH/M/
ML/L/SL) dB (A) 40/37/35/32/30/28/26 40/37/35/32/30/28/26
Sound Power Level(SS/H/MH/M/ML/
L/SL) dB (A) 54/48/46/44/41/35/33 54/48/46/44/41/35/33
Dimension (WXHXD) mm 889X294X212 889X294X212
Dimension of Carton Box (LXWXH) mm 935X349X273 935X349X273
Dimension of Package(LXWXH) mm 940X365X284 940X365X284
Net Weight kg 11 11
Gross Weight kg 13 13

4Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWH09ACC-K6DNA1A/O GWH09ACC-K6DNA1A/O
Outdoor Unit Product Code CB497W03000 CB497W03001
Compressor Manufacturer ZHUHAI LANDA
COMPRESSOR CO., LTD
ZHUHAI LANDA
COMPRESSOR CO., LTD
Compressor Model QXF-A079zE190A QXF-A079zE190A
Compressor Oil FW68DA FW68DA
Compressor Type Rotary Rotary
Compressor LRA. A / /
Compressor RLA A 4.6 4.6
Compressor Power Input W 790 790
Compressor Overload Protector HPC115/95U1/KSD115℃HPC115/95U1/KSD115℃
Throttling Method Capillary Capillary
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature
Range ºC -15~43 -15~43
Heating Operation Ambient Temperature
Range ºC -22~24 -15~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7 Φ7
Condenser Rows-n Gap mm 1-1.4 1-1.4
Condenser Coil Length (LXDXW) mm 710X19.05X508 710X19.05X508
Fan Motor Speed rpm 900 900
Fan Motor Power Output W 30 30
Fan Motor RLA A 0.36 0.36
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume m3/h 1600 1600
Fan Type Axial-ow Axial-ow
Fan Diameter mm Φ400 Φ400
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Permissible Excessive Operating Pressure
for the Discharge Side MPa 4.3 4.3
Permissible Excessive Operating Pressure
for the Suction Side MPa 2.5 2.5
Sound Pressure Level (H/M/L) dB (A) 50/-/- 50/-/-
Sound Power Level (H/M/L) dB (A) 61/-/- 61/-/-
Dimension(WXHXD) mm 782X540X320 782X540X320
Dimension of Carton Box (LXWXH) mm 820X355X580 820X355X580
Dimension of Package(LXWXH) mm 823X358X595 823X358X595
Net Weight kg 27.5 27.5
Gross Weight kg 30 30
Refrigerant R32 R32
Refrigerant Charge kg 0.55 0.55
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 16 16
Outer Diameter Liquid Pipe mm Ф6 Ф6
Outer Diameter Gas Pipe mm Ф9.52 Ф9.52
Max Distance Height m 10 10
Max Distance Length m 15 15
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.

5
Technical Information
Service Manual
Parameter Unit Value
Model GWH12ACC-K6DNA1D
GWH12ACC-K6DNA4D
GWH12ACC-K6DNA1D
GWH12ACC-K6DNA5D
Product Code CB497001601/CB497001602
CB344000701
CB497001600
CB341000600
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity W 3500 3500
Heating Capacity W 3670 3670
Cooling Power Input W 1085 1085
Heating Power Input W 990 990
Cooling Current Input A 5.0 5.0
Heating Current Input A 4.5 4.5
Rated Input W 1500 1500
Rated Current A 6.6 6.6
Air Flow Volume(SS/H/MH/M/ML/L/SL) m3/h 680/620/560/490/450/420/390 680/620/560/490/450/420/390
Dehumidifying Volume L/h 1.4 1.4
EER W/W 3.23 3.23
COP W/W 3.71 3.71
SEER W/W 7 7
SCOP(Average/Warmer/Colder) W/W 4/5.1/3.3 4/5.1/3.3
Application Area m216-24 16-24
Indoor
Unit
Indoor Unit Model GWH12ACC-K6DNA1D/I
GWH12ACC-K6DNA4D/I
GWH12ACC-K6DNA1D/I
GWH12ACC-K6DNA5D/I
Indoor Unit Product Code CB497N01600/CB497N01602
CB344N00700
CB497N01600
CB341N00600
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф98X633.5 Ф98X633.5
Cooling Speed(SS/H/MH/M/ML/L/SL) r/min 1350/1200/1100/1000/920/850/800 1350/1200/1100/1000/920/850/800
Heating Speed(SS/H/MH/M/ML/L/SL) r/min 1300/1200/1120/1050/980/900/850 1300/1200/1120/1050/980/900/850
Fan Motor Power Output W 20 20
Fan Motor RLA A 0.31 0.31
Fan Motor Capacitor μF 1.5 1.5
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф5Ф5
Evaporator Row-n Gap mm 2-1.5 2-1.5
Evaporator Coil Length (LXDXW) mm 635X22.8X306.3 635X22.8X306.3
Swing Motor Model MP24BA MP24BA
Swing Motor Power Output W 1.5 1.5
Fuse Current A 3.15 3.15
Sound Pressure Level(SS/H/MH/M/
ML/L/SL) dB (A) 42/38/35/32/30/28/26 42/38/35/32/30/28/26
Sound Power Level(SS/H/MH/M/ML/
L/SL) dB (A) 57/50/47/44/42/40/38 57/50/47/44/42/40/38
Dimension (WXHXD) mm 889X294X212 889X294X212
Dimension of Carton Box (LXWXH) mm 935X349X273 935X349X273
Dimension of Package(LXWXH) mm 940X365X284 940X365X284
Net Weight kg 11 11
Gross Weight kg 13 13

6Technical Information
Service Manual
Outdoor
Unit
Outdoor Unit Model GWH12QC-K6DNA1D/O GWH12QC-K6DNA1D/O
Outdoor Unit Product Code CB419W15501 CB419W15500
Compressor Manufacturer ZHUHAI LANDA
COMPRESSOR CO.,LTD
ZHUHAI LANDA
COMPRESSOR CO.,LTD
Compressor Model QXF-A102zE190B QXF-A102zE190B
Compressor Oil FW68DA FW68DA
Compressor Type Rotary Rotary
Compressor LRA. A / /
Compressor RLA A 4.6 4.6
Compressor Power Input W 1023 1023
Compressor Overload Protector HPC115/95U1/KSD115℃HPC115/95U1/KSD115℃
Throttling Method Electron expansion valve Electron expansion valve
Set Temperature Range ºC 16~30 16~30
Cooling Operation Ambient Temperature
Range ºC -15~43 -15~43
Heating Operation Ambient Temperature
Range ºC -15~24 -22~24
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7.94 Φ7.94
Condenser Rows-n Gap mm 1-1.4 1-1.4
Condenser Coil Length (LXDXW) mm 731X19.05X550 731X19.05X550
Fan Motor Speed rpm 900 900
Fan Motor Power Output W 30 30
Fan Motor RLA A 0.36 0.36
Fan Motor Capacitor μF / /
Outdoor Unit Air Flow Volume m3/h 2200 2200
Fan Type Axial-ow Axial-ow
Fan Diameter mm Ф438 Ф438
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Permissible Excessive Operating Pressure
for the Discharge Side MPa 4.3 4.3
Permissible Excessive Operating Pressure
for the Suction Side MPa 2.5 2.5
Sound Pressure Level (H/M/L) dB (A) 52/-/- 52/-/-
Sound Power Level (H/M/L) dB (A) 62/-/- 62/-/-
Dimension(WXHXD) mm 848X596X320 848X596X320
Dimension of Carton Box (LXWXH) mm 878X360X630 878X360X630
Dimension of Package(LXWXH) mm 881X363X645 881X363X645
Net Weight kg 31 31
Gross Weight kg 34 34
Refrigerant R32 R32
Refrigerant Charge kg 0.7 0.7
Connection
Pipe
Connection Pipe Length m 5 5
Connection Pipe Gas Additional Charge g/m 16 16
Outer Diameter Liquid Pipe mm Ф6 Ф6
Outer Diameter Gas Pipe mm Ф9.52 Ф9.52
Max Distance Height m 10 10
Max Distance Length m 20 20
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice. Please refer to the nameplate of the unit.

7
Technical Information
Service Manual
Parameter Unit Value
Model GWH18ACD-K6DNA1D(LCLH)
GWH18ACD-K6DNA5D
GWH18ACD-K6DNA1D(LC)
GWH18ACD-K6DNA4D
Product Code CB497002100
CB341000700
CB497002101/CB497002102
CB344000901
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity W 5200 5200
Heating Capacity W 5300 5300
Cooling Power Input W 1528 1528
Heating Power Input W 1410 1410
Cooling Current Input A 6.78 6.78
Heating Current Input A 6.26 6.26
Rated Input W 2600 2600
Rated Current A 6.78 6.78
Air Flow Volume(SH/H/MH/M/ML/L/SL) m3/h 800/720/650/610/570/520/470 800/720/650/610/570/520/470
Dehumidifying Volume L/h 1.8 1.8
EER W/W 3.40 3.4
COP W/W 3.76 3.76
SEER W/W 7 7
SCOP(Average/Warmer/Colder) W/W / /
Application Area m223-34 23-34
Indoor
Unit
Indoor Unit Model GWH18ACD-K6DNA1D/I
GWH18ACD-K6DNA5D/I
GWH18ACD-K6DNA1D/I
GWH18ACD-K6DNA4D/I
Indoor Unit Product Code CB497N02100
CB341N00700
CB497N02100/CB497N02102
CB344N00900
Fan Type Cross-ow Cross-ow
Fan Diameter Length(DXL) mm Ф106X706 Ф106X706
Cooling Speed(SH/H/M/L/SL) r/min 1230\1150\1080\980\900\850\800 1230\1150\1080\980\900\850\800
Heating Speed(SH/H/M/L/SL) r/min 1350\1250\1150\1050\980\900\850 1350\1250\1150\1050\980\900\850
Fan Motor Power Output W 35 35
Fan Motor RLA A 0.35 0.35
Fan Motor Capacitor μF 2.5 2.5
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф7 Ф7
Evaporator Row-n Gap mm 2-1.4 2-1.4
Evaporator Coil Length (LXDXW) mm 715X25.4X304.8 715X25.4X304.8
Swing Motor Model MP35CJ MP35CJ
Swing Motor Power Output W 2.5 2.5
Fuse Current A 3.15 3.15
Sound Pressure Level(SH/H/MH/M/ML/L/
SL) dB (A) 45/43/41/38/35/34/31 45/43/41/38/35/34/31
Sound Power Level(SH/H/MH/M/ML/L/SL) dB (A) 59/57/55/52/49/48/45 59/57/55/52/49/48/45
Dimension (WXHXD) mm 1013X307X221 1013X307X221
Dimension of Carton Box (LXWXH) mm 1077X375X300 1077X375X300
Dimension of Package(LXWXH) mm 1080X378X315 1080X378X315
Net Weight kg 13.5 13.5
Gross Weight kg 16.5 16.5