Contents
1 Safety Precautions ........................................................................................................................ 1
2 Product Introduction ...................................................................................................................... 3
2.1 Names of Main Parts........................................................................................................... 3
2.2 Combinations of Outdoor Units ........................................................................................... 4
2.3 Combinations of Indoor and Outdoor Units ........................................................................ 5
2.4 The Range of Production Working Temperature ................................................................ 6
3 Preparation before Installation ...................................................................................................... 6
3.1 Standard Parts .................................................................................................................... 6
3.2 Installation Site .................................................................................................................... 7
3.3 Piping Work Requirements ................................................................................................ 11
4 Installation Instruction ............................................................................................................... 12
4.1 Physical Dimension of the Outdoor Unit and Mounting Hole ........................................... 12
4.2 Connection Pipe ................................................................................................................ 14
4.3 Installation of the Connection Pipe ................................................................................... 26
4.4 Air Purging and Refrigerant Charge .................................................................................. 29
4.5 Electric Wiring ................................................................................................................... 31
4.6 System Communication .................................................................................................... 36
4.7 Connection Method and Steps for System Communication ............................................. 40
4.8 External Electrical Wiring Diagram ................................................................................... 45
5 Check Items after Installation and Trial Run ............................................................................... 47
5.1 Check Items after Installation ............................................................................................ 47
5.2 Trial Run ............................................................................................................................ 47
6 Common Malfunction and Troubleshooting ................................................................................ 59
7 Error Indication ............................................................................................................................ 61
8 Maintenance and Care ................................................................................................................ 63
8.1 Outdoor Heat Exchanger .................................................................................................. 63
8.2 Drain Pipe ......................................................................................................................... 63
8.3 Notice before Seasonal Use ............................................................................................. 63
8.4 Maintenance after Seasonal Use ...................................................................................... 63
8.5 Parts Replacement ............................................................................................................ 64
9 After-sales Service ...................................................................................................................... 64
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