Contents
1 Safety Instruction ................................................................................................................................. 1
2 General Introduction ............................................................................................................................ 3
2.1 Outdoor Unit and Indoor Unit Combination ............................................................................................3
2.2 Operating Range..................................................................................................................................3
3 Before Installation ................................................................................................................................ 4
3.1 Standard Accessories............................................................................................................................4
3.2 Installation Location ............................................................................................................................4
4 Installation Instruction.......................................................................................................................... 6
4.1 Physical Dimension of the Outdoor Unit and Mounting Hole ....................................................................6
4.2 Piping Design .....................................................................................................................................9
4.3 Oil Return Trap Installation................................................................................................................. 12
4.4 Installation of the Connection Pipe....................................................................................................... 13
4.5 Pressure Check, Vacuum and Additional Refrigerant Charge ................................................................... 17
4.6 Electric Wiring .................................................................................................................................. 19
4.7 Communication Wiring ...................................................................................................................... 22
5 Check Items after Installation and Trial Run ..................................................................................... 25
5.1 Check Items after Installation .............................................................................................................. 25
5.2 Trial Run .......................................................................................................................................... 25
6 Common Malfunction and Troubleshooting ...................................................................................... 27
6.1 Check before Contacting Service Center ............................................................................................... 27
6.2 Normal Phenomenon.......................................................................................................................... 28
6.3 Error Display .................................................................................................................................... 28
7 Maintenance ....................................................................................................................................... 31
7.1 Outdoor Heat Exchanger .................................................................................................................... 31
7.2 Drain Pipe ........................................................................................................................................ 31
7.3 Check before the Seasonal Use ............................................................................................................ 31
7.4 Maintenance after the Seasonal Use ..................................................................................................... 31
7.5 Parts Replacement ............................................................................................................................. 32
8 After-sales Service.............................................................................................................................. 33