CONTENTS
1. Precaution .................................................................................................................................................... 1
1.1 Safety Precaution .......................................................................................................................... 1
1.2 Warning ......................................................................................................................................... 1
2 Information servicing ................................................................................................................................... 3
3. Model list ...................................................................................................................................................... 8
4. Dimension .................................................................................................................................................... 9
4.1 Indoor Unit ..................................................................................................................................... 9
4.2 Outdoor Unit ................................................................................................................................ 12
5. Refrigerant Cycle Diagram ....................................................................................................................... 16
6 Installation Details ...................................................................................................................................... 17
6.1 Wrench torque sheet for installation ........................................................................................... 17
6.2 Connecting the cables ................................................................................................................ 17
6.3 Pipe length and the elevation ..................................................................................................... 18
6.4 Installation for the first time ......................................................................................................... 19
6.5 Adding the refrigerant after running the system for many years ................................................ 20
6.6 Re-installation while the indoor unit need to be repaired ........................................................... 20
6.7 Re-installation while the outdoor unit need to be repaired ......................................................... 21
7. Disassemble Guide.................................................................................................................................... 23
8. Wiring Diagram .......................................................................................................................................... 29
8.1 Indoor Unit ................................................................................................................................... 29
8.2 Outdoor Unit ................................................................................................................................ 30
9. Operation Characteristics ......................................................................................................................... 32
10. Electronic function .................................................................................................................................. 33
10.1 Abbreviation .............................................................................................................................. 33
10.2 Display function ......................................................................................................................... 33
10.3 Main Protection ......................................................................................................................... 34
10.4 Operation Modes and Functions ............................................................................................... 35
10.5 Multi-function board instruction (This multi-function board is optional) .................................... 43
11. Troubleshooting ....................................................................................................................................... 46
11.1 Indoor Unit Error Display ........................................................................................................... 47
11.2 Trouble shooting ........................................................................................................................ 48
Caution: Risk of fire/flammable materials
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