Contents
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 ........................................................................................................ 8
2.4 The Range of Production Working Temperature ............................................................... 8
2.5 Standard Parts .................................................................................................................. 9
3 Product Installation ...................................................................................................... 9
3.1 Safety Precautions for Installing, Repairing and Moving Units .......................................... 9
3.2 Outdoor Unit Installation ..................................................................................................10
3.3 Pipeline Design ................................................................................................................19
3.4 Pipeline Installation and Insulation ...................................................................................29
3.5 Static Pressure Ventilation Pipe Installation .....................................................................33
3.6 Vacuum and Drying of Refrigeration System ....................................................................35
3.7 Additional Refrigerant Charging .......................................................................................37
3.8 Electrical Installation ........................................................................................................41
3.9 Communication Line Connection .....................................................................................46
3.10 Check Items after Installation .........................................................................................54
4 Debugging and Operation .......................................................................................... 55
4.1 Preparation before Test Run ............................................................................................55
4.2 Notices for Unit Debugging ..............................................................................................55
4.3 Basic Introduction for Engineering Debugging .................................................................59
4.4 Parameter Judgment Reference Value for Unit Normal Operation ...................................65
5 Operation Instruction.................................................................................................. 67
6 Maintenance .............................................................................................................. 67
6.1 Heat Exchanger of Outdoor Unit ......................................................................................67
6.2 Drain Pipe ........................................................................................................................67
6.3 Precautions at the Beginning of Using Season ................................................................67
6.4 Maintenance at the End of Using Season ........................................................................68
6.5 Parts Replacement ..........................................................................................................68
7 Troubleshooting ......................................................................................................... 68
7.1 Common Malfunction and Troubleshooting ......................................................................68
7.2 Error Indication ................................................................................................................69
8 After-sales Service ..................................................................................................... 74
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