CONTENTS
1. Precaution ..................................................................................................................................................... 1
1.1 Safety Precaution .......................................................................................................................... 1
1.2 Warning ......................................................................................................................................... 1
2. Part Names And Functions .......................................................................................................................... 4
2.1 Model Names of Indoor/Outdoor units .......................................................................................... 4
2.2 Part names of Indoor/Outdoor units ............................................................................................. 4
2.3 Functions of Indoor/Outdoor units ................................................................................................ 5
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 .......................................................................................................................................19
6.1 Wrench torque sheet for installation ........................................................................................... 19
6.2 Connecting the cables ................................................................................................................ 19
6.3 Pipe length and the elevation ..................................................................................................... 19
6.4 Installation for the first time ......................................................................................................... 20
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 ........................................................... 21
6.7 Re-installation while the outdoor unit need to be repaired ......................................................... 22
7. Operation Characteristics ..........................................................................................................................24
8. Electronic Function ....................................................................................................................................25
8.1 Abbreviation ................................................................................................................................ 25
8.2 Display function ........................................................................................................................... 25
8.3 Main Protection ........................................................................................................................... 26
8.4 Operation Modes and Functions................................................................................................. 28
9. Troubleshooting..........................................................................................................................................36
9.1 Indoor Unit Error Display ............................................................................................................ 37
9.2 Outdoor unit error display ........................................................................................................... 38
9.3 Diagnosis and Solution ............................................................................................................... 41
10. Exploded View ..........................................................................................................................................65
10.1 Indoor unit ................................................................................................................................. 65
10.2 Outdoor unit .............................................................................................................................. 73
11 Disassembly Instructions .........................................................................................................................81
11.1 Indoor unit ................................................................................................................................. 81
11.2 Outdoor unit ............................................................................................................................... 85