Contents
1 Safety Precautions ..................................................................................1
2 Product Introduction ................................................................................3
2.1 Names of Main Parts ................................................................................ 3
2.2 Combinations of Outdoor Units ................................................................. 3
2.3 Combinations of Indoor and Outdoor Units .............................................. 4
2.4 The Range of Production Working Temperature ....................................... 5
3 Preparation before Installation.................................................................6
3.1 Standard Parts .......................................................................................... 6
3.2 Installation Site ......................................................................................... 6
3.3 Piping Work Requirements ..................................................................... 10
4 Installation Instruction ........................................................................... 11
4.1 Physical Dimension of the Outdoor Unit and Mounting Hole ...................11
4.2 Connection Pipe ..................................................................................... 12
4.3 Installation of the Connection Pipe ......................................................... 22
4.4 Air Purging and Refrigerant Charge ........................................................ 24
4.5 Electric Wiring ......................................................................................... 25
4.6 System Communication .......................................................................... 29
4.7 Connection Method and Steps for System Communication ................... 33
4.8 External Electrical Wiring Diagram ......................................................... 38
5 Check Items after Installation and Trial Run .........................................40
5.1 Check Items after Installation ................................................................. 40
5.2 Trial Run ................................................................................................ 40
6 Common Malfunction and Troubleshooting ...........................................52
7 Error Indication ......................................................................................54
8 Maintenance and Care ..........................................................................56
8.1 Outdoor Heat Exchanger ........................................................................ 56
8.2 Drain Pipe ............................................................................................... 56
8.3 Notice before Seasonal Use ................................................................... 56
8.4 Maintenance after Seasonal Use ............................................................ 56
8.5 Parts Replacement ................................................................................. 56
9 After-sales Service................................................................................56
