Gree GMV-224WM/G-X

Gree GMV6 DC Inverter VRF Units Service Manual
Contents
Chapter 1 Product ................................................................................................................ 2
1 Unit List ............................................................................................................................. 2
2 Parameters ....................................................................................................................... 3
3 The Range of Production Working Temperature ............................................................. 10
Chapter 2 Commissioning .................................................................................................. 11
1 Commissioning Process ................................................................................................. 11
2 Safety Requirements ...................................................................................................... 11
3 Unit Commissioning ........................................................................................................ 12
4 Unit Function Settings ..................................................................................................... 41
Chapter 3 Faults ................................................................................................................ 72
1 Error Indication ............................................................................................................... 72
2 Troubleshooting .............................................................................................................. 76
3 Non-fault Type Troubleshooting .................................................................................... 182
Chapter 4 Maintenance.................................................................................................... 183
1 Precautions for Refrigerant Leakage ............................................................................ 183
2 Refrigerant Charging..................................................................................................... 183
3 Refrigerant Charging Method ........................................................................................ 185
4 Inspection of Key Parts ................................................................................................. 188
5 Replacement of Key Unit Parts ..................................................................................... 243
6 Explosive View and Parts List ....................................................................................... 277
Appendixes ...................................................................................................................... 283
Appendix 1 Temperature Senor Resistance and Temperature Relationship Table ........... 283
Appendix 2 Refrigerant Temperature and Pressure Table ............................................... 290
Appendix 3 Pressure Sensor Voltage and Pressure Table ............................................... 291
Appendix 4 Electric Specifications ................................................................................... 294
Appendix 5 Circuit Diagram ............................................................................................. 296
Appendix 6 Schematic Diagram ....................................................................................... 299
Appendix 7 Names and Functions of Components .......................................................... 302