Gree GMVVQ1015WM/C-X, Service Manual

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Gree GMV6 HR DC Inverter VRF Units Service Manual
Contents
Preface ................................................................................................................................ 1
Safety Instructions ............................................................................................................... 1
Chapter 1 Product ................................................................................................................ 2
1 Unit List ............................................................................................................................. 2
2 Parameters ....................................................................................................................... 4
3 The Range of Production Working Temperature ............................................................. 13
Chapter 2 Commissioning .................................................................................................. 14
1 Commissioning Process ................................................................................................. 14
2 Safety Requirements ...................................................................................................... 14
3 Unit Commissioning ........................................................................................................ 15
4 Unit Function Settings ..................................................................................................... 44
Chapter 3 Faults ................................................................................................................ 90
1 Error Indication ............................................................................................................... 90
2 Troubleshooting .............................................................................................................. 94
3 Non-fault Type Troubleshooting .................................................................................... 220
Chapter 4 Repair.............................................................................................................. 221
1 Precautions for Refrigerant Leakage ............................................................................ 221
2 Refrigerant Charging..................................................................................................... 221
3 Methods for Vacuum Pumping and Charging Refrigerant of System ............................ 223
4 Inspection of Key Parts ................................................................................................. 231
5 Replacement of Key Unit Parts ..................................................................................... 323
6 Explosive View and Parts List ....................................................................................... 380
Chapter 5 Maintenance.................................................................................................... 398
1 Outdoor Unit ................................................................................................................. 398
2 Hydro Box ..................................................................................................................... 398
Appendixes ...................................................................................................................... 401
Appendix 1 Temperature Senor Resistance and Temperature Relationship Table ........... 401
Appendix 2 Refrigerant Temperature and Pressure Table ............................................... 408
Appendix 3 Pressure Sensor Voltage and Pressure Table ............................................... 409
Appendix 4 Electric Specifications ................................................................................... 412
Appendix 5 Circuit Diagram ............................................................................................. 415
Appendix 6 Refrigerant Flow for Each Operation Mode ................................................... 423