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
