Contents
1 Safety Notices (Please be sure to abide) ................................................................. 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 .................................................................................................. 11
3.1 Safety Precautions for Installing, Repairing and Moving Units .......................................... 11
3.2 Outdoor Unit Installation .................................................................................................... 12
3.3 Pipeline Design .................................................................................................................. 21
3.4 Pipeline Installation and Insulation .................................................................................... 28
3.5 Static Pressure Ventilation Pipe Installation ...................................................................... 32
3.6 Vacuum and Drying of Refrigeration System ..................................................................... 35
3.7 Additional refrigerant charging ........................................................................................... 37
3.8 Electrical Installation .......................................................................................................... 42
3.9 Communication Line Connection ....................................................................................... 47
3.10 Check Items after Installation .......................................................................................... 52
4 Debugging and Operation ....................................................................................... 53
4.1 Preparation before Test Run .............................................................................................. 53
4.2 Notices for Unit Debugging ................................................................................................ 54
4.3 Basic Introduction for Engineering Debugging .................................................................. 57
4.4 Parameter Judgment Reference Value for Unit Normal Operation .................................... 64
5 Operation Instruction .............................................................................................. 65
6 Maintenance ............................................................................................................. 65
6.1 Heat Exchanger of Outdoor Unit ....................................................................................... 65
6.2 Drain Pipe .......................................................................................................................... 65
6.3 Precautions at the Beginning of Using Season ................................................................. 65
6.4 Maintenance at the End of Using Season ......................................................................... 66
6.5 Parts Replacement ............................................................................................................ 66
7 Troubleshooting ....................................................................................................... 66
7.1 Common Malfunction and Troubleshooting ....................................................................... 66
7.2 Error Indication .................................................................................................................. 68
8 After-sales Service ................................................................................................... 72
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