CONTENTS
1. Precaution......................................................................................................................................... 3
1.1 Safety Precaution ..................................................................................................................... 3
1.2 Warning .................................................................................................................................... 3
2. Function ............................................................................................................................................ 7
3. Dimension ......................................................................................................................................... 8
3.1 Indoor Unit................................................................................................................................ 8
3.2 Outdoor Unit ........................................................................................................................... 10
4. Refrigerant Cycle Diagram ............................................................................................................... 11
5. Wiring Diagram ................................................................................................................................12
5.1 Indoor Unit.............................................................................................................................. 12
5.2 Outdoor Unit ........................................................................................................................... 14
6 Installation Details.............................................................................................................................16
6.1 Wrench torque sheet for installation ........................................................................................ 16
6.2 Connecting the cables ............................................................................................................ 16
6.3 Pipe length and the elevation.................................................................................................. 17
6.4 Installation for the first time ..................................................................................................... 18
6.5 Adding the refrigerant after running the system for many years............................................... 21
6.6 Re-installation while the indoor unit need to be repaired ......................................................... 22
6.7 Re-installation while the outdoor unit need to be repaired ....................................................... 24
7. Operation Characteristics ................................................................................................................27
8. Electronic function...........................................................................................................................28
8.1 Abbreviation............................................................................................................................ 28
8.2 Display function ...................................................................................................................... 28
8.3 Main Protection ...................................................................................................................... 29
8.4 Operation Modes and Functions ............................................................................................. 32
9. Troubleshooting ...............................................................................................................................47
9.1 Indoor Unit Error Display ........................................................................................................ 47
9.2 Diagnosis and Solution ........................................................................................................... 48
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