Contents
1 Safety Precautions ................................................................................................ 1
2 Product Introduction ............................................................................................. 2
2.1 Names of Main Parts ........................................................................................................... 2
2.2 Combinations of Outdoor Units ........................................................................................... 2
2.3 Combinations of Indoor and Outdoor Units .......................................................................... 3
2.4 The Range of Production Working Temperature.................................................................... 4
3 Preparation before Installation ............................................................................. 4
3.1 Standard Parts ..................................................................................................................... 4
3.2 Installation Site ................................................................................................................... 4
3.3 Piping Work Requirements .................................................................................................. 9
4 Installation Instruction .......................................................................................... 9
4.1 ODU Foundation ................................................................................................................. 9
4.2 Physical Dimension of the Outdoor Unit and Mounting Hole ............................................... 10
4.3 Connection Pipe ................................................................................................................ 13
4.4 Installation of the Connection Pipe .................................................................................... 23
4.5 Air Purging and Refrigerant Charge .................................................................................... 28
4.6 Electric Wiring ................................................................................................................... 31
4.7 System Communication ..................................................................................................... 33
4.8 Connection Method and Steps for System Communication ................................................. 38
4.9 External Electrical Wiring Diagram ..................................................................................... 43
5 Check Items after Installation and Trial Run ..................................................... 45
5.1 Check Items after Installation ............................................................................................ 45
5.2 Trial Run ........................................................................................................................... 45
6 Common Malfunction and Troubleshooting ...................................................... 58
7 Error Indication .................................................................................................... 60
8 Maintenance and Care......................................................................................... 64
8.1 Outdoor Heat Exchanger .................................................................................................... 64
8.2 Drain Pipe ......................................................................................................................... 64
8.3 Notice before Seasonal Use ............................................................................................... 65
8.4 Maintenance after Seasonal Use ........................................................................................ 65
8.5 Parts Replacement ............................................................................................................ 65
9 After-sales Service .............................................................................................. 65
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