Gree GWH12ACC-K6DNA1D User manual

Service Manual
Models:
Change for life
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