..................................................................................................................................................... 1
1.1 Safety Precaution .......................................................................................................................... 1
1.2 Warning .......................................................................................................................................... 1
.................................................................................................................................................... 4
2.1 Model Names of Indoor/Outdoor units .......................................................................................... 4
2.2 Part names of Indoor/Outdoor units .............................................................................................. 5
..................................................................................................................................................... 6
3.1 Indoor Unit ..................................................................................................................................... 6
3.2 Outdoor Unit................................................................................................................................... 8
4. Refrigerant Cycle Diagram
.......................................................................................................................... 9
5. Printed Circuit Board Connector Wiring Diagram of Outdoor unit
....................................................... 10
....................................................................................................................................... 12
6.1 Wrench torque sheet for installation ............................................................................................ 12
6.2 Connecting the cables ................................................................................................................. 12
6.3 Pipe length and the elevation ...................................................................................................... 12
6.4 Installation for the first time .......................................................................................................... 13
6.5 Adding the refrigerant after running the system for many years ................................................. 14
6.6 Procedure when servicing the indoor unit refrigeration circuit. .................................................. 14
6.7 Evacuation after servicing the outdoor unit refrigeration circuit. ................................................ 16
7. Operation Characteristics
......................................................................................................................... 18
..................................................................................................................................... 19
8.1 Abbreviation ................................................................................................................................. 19
8.2 Display function ........................................................................................................................... 19
8.3 Main Protection ............................................................................................................................ 20
8.4 Operation Modes and Functions ................................................................................................. 21
......................................................................................................................................... 26
9.1 Indoor Unit Error Display ............................................................................................................. 27
9.2 Outdoor unit error display ............................................................................................................ 28
9.3 Diagnosis and Solution ................................................................................................................ 31
10 Disassembly Instructions
......................................................................................................................... 56
10.1 Indoor unit .................................................................................................................................. 56
10.2 Outdoor unit ............................................................................................................................... 60
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