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