Gree GWH09QB-K6DNA5E User manual

Service Manual
Models:
Change for life
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
GWH09QB-K6DNA5E
GWH09QB-K6DNB6E
GWH09QB-K6DNC2E
GWH09QB-K6DNA1E
GWH12QC-K6DNA1D
GWH18QD-K6DNA1D
(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 .......................................................................................... 9
2.3 Capacity Variation Ratio According to Temperature ........................................................... 9
2.4 Cooling and Heating Data Sheet in Rated Frequency ..................................................... 10
2.5 Noise Curve......................................................................................................................10
3. Outline Dimension Diagram........................................................................ 11
3.1 Indoor Unit........................................................................................................................ 11
3.2 Outdoor Unit ..................................................................................................................... 12
4. Refrigerant System Diagram......................................................................14
5. Electrical Part...........................................................................................................15
5.1 Wiring Diagram.................................................................................................................15
5.2 PCB Printed Diagram ....................................................................................................... 19
6. Function and Control........................................................................................22
6.1 Remote Controller Introduction ....................................................................................... 22
6.2 GREE+ App Operation Manual ........................................................................................28
6.3 Ewpe Smart App Operation Manual .................................................................................29
6.4 Brief Description of Modes and Functions........................................................................30
Part Ⅱ: Installation and Maintenance ................................................... 34
7. Notes for Installation and Maintenance............................................ 34
8. Installation.................................................................................................................. 38
8.1 Installation Dimension Diagram........................................................................................38
8.2 Installation Parts-checking .............................................................................................. 40
8.3 Selection of Installation Location...................................................................................... 40
8.4 Requirements for electric connection ............................................................................... 40
8.5 Installation of Indoor Unit..................................................................................................41
8.6 Installation of Outdoor Unit............................................................................................... 43
8.7 Vacuum Pumping and Leak Detection .............................................................................44
8.8 Check after Installation and Test Operation .....................................................................44
Table of Contents

Service Manual
9. Maintenance................................................................................................................. 45
9.1 Error Code List .................................................................................................................... 45
9.2 Procedure of Troubleshooting ............................................................................................. 53
9.3 Troubleshooting for Normal Malfunction.............................................................................. 68
10. Exploded View and Parts List ................................................................... 70
10.1 Indoor Unit......................................................................................................................... 70
10.2 Outdoor Unit ...................................................................................................................... 75
11. Removal Procedure............................................................................................ 81
11.1 Removal Procedure of Indoor Unit .................................................................................... 81
11.2 Removal Procedure of Outdoor Unit ................................................................................. 91
Appendix:........................................................................................................................... 105
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................... 105
Appendix 2: Conguration of Connection Pipe........................................................................ 105
Appendix 3: Pipe Expanding Method ...................................................................................... 106
Appendix 4: List of Resistance for Temperature Sensor ......................................................... 107
Table of Contents

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit
GWH09QB-K6DNA1E/I GWH12QC-K6DNA1D/I
GWH18QD-K6DNA1D/I
GWH09QB-K6DNC2E/I
GWH09QB-K6DNB6E/I
GWH09QB-K6DNA5E/I
Outdoor Unit
GWH12QC-K6DNA1D/O
Remote Controller
YAC1FB9(WiFi)
GWH18QD-K6DNA1D/O
GWH09QB-K6DNA1E/O

2Technical Information
Service Manual
Model List:
No Model Product code Indoor model Indoor
product code Outdoor model Outdoor
product code
Remote
Controller
1 GWH09QB-K6DNA1E CB419015801 GWH09QB-K6DNA1E/I CB419N15800 GWH09QB-K6DNA1E/O CB419W15801
YAC1FB9
(WiFi)
2 GWH09QB-K6DNA5E CB425012501 GWH09QB-K6DNA5E/I CB425N12500
3 GWH09QB-K6DNA1E CB419015800 GWH09QB-K6DNA1E/I CB419N15800
GWH09QB-K6DNA1E/O CB419W15800
4 GWH09QB-K6DNA5E CB425012500 GWH09QB-K6DNA5E/I CB425N12500
5 GWH09QB-K6DNB6E CB435009600 GWH09QB-K6DNB6E/I CB435N09600
6 GWH09QB-K6DNC2E CB439013300 GWH09QB-K6DNC2E/I CB439N13300
7 GWH12QC-K6DNA1D CB419015501 GWH12QC-K6DNA1D/I CB419N15500 GWH12QC-K6DNA1D/O CB419W15501
8 GWH12QC-K6DNA1D CB419015500 GWH12QC-K6DNA1D/I CB419N15500 GWH12QC-K6DNA1D/O CB419W15500
9 GWH18QD-K6DNA1D CB419015600 GWH18QD-K6DNA1D/I CB419N15600 GWH18QD-K6DNA1D/O CB419W15600
10 GWH18QD-K6DNA1D CB419015601 GWH18QD-K6DNA1D/I CB419N15600 GWH18QD-K6DNA1D/O CB419W15601