Gree GWH12ACC-K6DNA1D User manual

Service Manual
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GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
Model: GWH12ACC-K6DNA1D
(Refrigerant R32)

Service Manual
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................2
2.1 Specication Sheet...........................................................................................................2
2.2 Operation Characteristic Curve ........................................................................................4
2.3 Capacity Variation Ratio According to Temperature .........................................................4
2.4 Cooling and Heating Data Sheet in Rated Frequency .....................................................5
2.5 Noise Curve......................................................................................................................5
3. Outline Dimension Diagram........................................................................6
3.1 Indoor Unit........................................................................................................................6
3.2 Outdoor Unit .....................................................................................................................7
4. Refrigerant System Diagram......................................................................8
5. Electrical Part...........................................................................................................9
5.1 Wiring Diagram.................................................................................................................9
5.2 PCB Printed Diagram .....................................................................................................11
6. Function and Control......................................................................................13
6.1 Remote Controller Introduction .....................................................................................13
6.2 GREE+ App Operation Manual ......................................................................................19
6.3 Ewpe Smart App Operation Manual ...............................................................................20
6.4 Brief Description of Modes and Functions......................................................................21
Part Ⅱ: Installation and Maintenance .................................................25
7. Notes for Installation and Maintenance..........................................25
8. Installation................................................................................................................29
8.1 Installation Dimension Diagram......................................................................................29
8.2 Installation Parts-checking ............................................................................................31
8.3 Selection of Installation Location....................................................................................31
8.4 Requirements for electric connection .............................................................................31
8.5 Installation of Indoor Unit................................................................................................32
8.6 Installation of Outdoor Unit.............................................................................................34
8.7 Vacuum Pumping and Leak Detection ...........................................................................35
8.8 Check after Installation and Test Operation ...................................................................35
8.9 Wired Controller .............................................................................................................36
Table of Contents

Service Manual
9. Maintenance................................................................................................................. 46
9.1 Error Code List .................................................................................................................... 46
9.2 Procedure of Troubleshooting ............................................................................................. 54
9.3 Troubleshooting for Normal Malfunction.............................................................................. 69
10. Exploded View and Parts List ................................................................... 71
10.1 Indoor Unit......................................................................................................................... 71
10.2 Outdoor Unit ...................................................................................................................... 73
11. Removal Procedure............................................................................................ 75
11.1 Removal Procedure of Indoor Unit .................................................................................... 75
11.2 Removal Procedure of Outdoor Unit ................................................................................. 80
Appendix:............................................................................................................................. 84
Appendix 1: Reference Sheet of Celsius and Fahrenheit ......................................................... 84
Appendix 2: Conguration of Connection Pipe.......................................................................... 84
Appendix 3: Pipe Expanding Method ........................................................................................ 85
Appendix 4: List of Resistance for Temperature Sensor ........................................................... 86
Table of Contents

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit
GWH12ACC-K6DNA1D/I
Outdoor Unit
GWH12QC-K6DNA1D/O(LCLH)
GWH12QC-K6DNA1D/O(LC)
Remote Controller
YAC1FB9(WiFi)

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Parameter Unit Value
Model GWH12ACC-K6DNA1D
Product Code CB497001601 CB497001600
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
Indoor Unit Product Code CB497N01600
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

3
Technical 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.

4Technical Information
Service Manual
2.2 Operation Characteristic Curve
2.3 Capacity Variation Ratio According to Temperature
Compressor Speed(rps) Compressor Speed(rps)
Cooling Heating
Current(A)
Current(A)
50
60
70
80
90
100
110
120
130
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
Capacity ratio(%)
Outdoor temp. (°C)
Capacity ratio(%)
gnitaeHgnilooC
gnitaeHgnilooC
-22-15 -10-50
51
0
110
120
130
100
90
80
70
60
50
40
Outdoor temp.(°C)
0
1
2
3
4
5
6
7
8
9
10
020406080 100 120
WB19 °C
0
1
2
3
4
5
6
7
8
020406080 100 120
50
60
70
80
90
100
110
120
130
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
Capacity ratio(%)
Outdoor temp. (°C)
Capacity ratio(
%)
–15 –10 –5
110
100
90
80
70
60
50
40
05
71
0
Conditions
Indoor:DB20°C
Indoor air flow:Super High
Pipe length:5m
Outdoor temp.(°C)
Condition
Indoor:DB27°C WB19°C
Indoor air flow:
High
Pipe length:5m
Condition
Indoor:DB27°C WB19°C
Indoor air flow:
High
Pipe length:5m
Condition
Indoor:DB20°C
Indoor air flow:
High
Pipe length:5m
Condition
Indoor:DB 27°C
Indoor air flow: Super High
Pipe length:5m
Voltage:230V
Condition
Indoor:DB 20°C
Indoor air flow: Super High
Pipe length:5m
Voltage:230V
Heating operation ambient temperature range is -22ºC~24ºC
Heating operation ambient temperature range is -15ºC~24ºC
Cooling Heating
0%
20%
40%
60%
80%
100%
120%
140%
-15-10 -5 0510 15 20 25 30 35 43
0%
20%
40%
60%
80%
100%
120%
140%
-22 -15 -10 -7 0 2 7 15 18 21 24

5
Technical Information
Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
2.5 Noise Curve
Indoor side noise when blowing Outdoor side noise when blowing
Indoor fan motor rotating speed Compressor frequency(Hz)
Noise/dB(A)
50
60
30
40
20
Turbo High Medium-high Medium Medium-low Low Ultralow
40
42
44
46
48
50
52
54
56
20 4030 50 60 70 80
90
Noise dB(A)
12K Cooling
12K Heating
Cooling:
Rated cooling
condition(°C) (DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
revolution
(rps)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 12K 0.8 ~ 1.1 11 to 14 64 to 37 TURBO High 60
Instruction:
T1: Inlet and outlet pipe temperature of evaporator
T2: Inlet and outlet pipe temperature of condenser
P: Pressure at the side of big valve
Connection pipe length: 5 m.
Heating:
Rated cooling
condition(°C) (DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
revolution
(rps)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/- 7/6 12K 2.8 ~ 3.2 35 to 65 2 to 5 TURBO High 67

6Technical Information
Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
Unit:mm
Models W H D W1 W2 W3
12/K 889 294 212 201.5 541.5 146
D
H
W
75
35
Φ55
W3W2
W1
Φ55
35
75

7
Technical Information
Service Manual
3.2 Outdoor Unit
257
780
596
848
286
540
320
Unit:mm