Gree GMV-VQ280WM/C-X Owner's Manual page 4

1 Safety Notices (Please be sure to abide them) ....................................................... 1
2 Product Introduction ................................................................................................. 5
2.1 Product Features .............................................................................................................. 5
2.2 Product List ...................................................................................................................... 5
2.3 Names of Main Parts ........................................................................................................ 7
2.4 Product Working Principle ................................................................................................. 8
2.5 The Range of Production Working Temperature ..............................................................10
2.6 Standard Parts .................................................................................................................10
3 Product Installation ................................................................................................. 10
3.1 Safety Precautions for Installing, Repairing and Moving Units .........................................10
3.2 Outdoor Unit Installation ..................................................................................................12
3.3 Pipeline Design ................................................................................................................20
3.4 Pipeline Installation and Insulation ...................................................................................30
3.5 Static Pressure Ventilation Pipe Installation .....................................................................34
3.6 Vacuum and Drying of Refrigeration System ....................................................................36
3.7 Additional refrigerant charging .........................................................................................39
3.8 Electrical Installation ........................................................................................................43
3.9 Communication Line Connection .....................................................................................48
3.10 Check Items after Installation .........................................................................................55
4 Debugging and Operation ....................................................................................... 56
4.1 Preparation before Test Run ............................................................................................56
4.2 Notices for Unit Debugging ..............................................................................................56
4.3 Basic Introduction for Engineering Debugging .................................................................59
4.4 Parameter Judgment Reference Value for Unit Normal Operation ...................................66
5 Operation Instruction .............................................................................................. 68
6 Maintenance ............................................................................................................. 68
6.1 Heat Exchanger of Outdoor Unit ......................................................................................68
6.2 Drain Pipe ........................................................................................................................68
6.3 Precautions at the Beginning of Using Season ................................................................68
6.4 Maintenance at the End of Using Season ........................................................................69
6.5 Parts Replacement ..........................................................................................................69
7 Troubleshooting ....................................................................................................... 69
7.1 Common Malfunction and Troubleshooting ......................................................................69
7.2 Error Indication ................................................................................................................70
8 After-sales Service ................................................................................................... 74
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