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 ............................... 8
Chapter 2 Commissioning
............................................... 10
1 Commissioning Process .................................................. 10
2 Safety Requirements ..................................................... 10
3 Unit Commissioning ...................................................... 11
4 Unit Function Settings .................................................... 38
Chapter 3 Faults
........................................................ 68
1 Error Indication .......................................................... 68
2 Troubleshooting ......................................................... 72
3 Non-fault Type Troubleshooting ........................................... 177
Chapter 4 Maintenance
................................................. 178
1 Precautions for Refrigerant Leakage ...................................... 178
2 Refrigerant Charging .................................................... 178
3 Refrigerant Charging Method ............................................. 180
4 Inspection of Key Parts .................................................. 183
5 Replacement of Key Unit Parts ........................................... 240
6 Explosive View and Parts List ............................................ 274
Appendixes
........................................................... 280
Appendix 1 Temperature Senor Resistance and Temperature Relationship Table . 280
Appendix 2 Refrigerant Temperature and Pressure Table ...................... 287
Appendix 3 Pressure Sensor Voltage and Pressure Table ...................... 288
Appendix 4 Electric Specifications .......................................... 291
Appendix 5 Circuit Diagram ................................................ 294
Appendix 6 Schematic Diagram ............................................ 297
Appendix 7 Names and Functions of Components ............................ 300
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