CONTENTS
1. Precaution .............................................................................................................................................. 1
1.1 Safety Precaution .......................................................................................................................... 1
1.2 Warning ......................................................................................................................................... 1
2. Function ................................................................................................................................................. 5
3. Dimension .............................................................................................................................................. 6
3.1 Indoor Unit ..................................................................................................................................... 6
3.2 Outdoor Unit .................................................................................................................................. 8
4. Refrigerant Cycle Diagram .................................................................................................................... 9
5. Wiring Diagram .................................................................................................................................... 10
5.1 Indoor Unit ................................................................................................................................... 10
5.2 Outdoor Unit ................................................................................................................................ 12
6 Installation Details................................................................................................................................. 14
6.1 Wrench torque sheet for installation ........................................................................................... 14
6.2 Connecting the cables................................................................................................................. 14
6.3 Pipe length and the elevation...................................................................................................... 15
6.4 Installation for the first time ......................................................................................................... 16
6.5 Adding the refrigerant after running the system for many years................................................. 19
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 ......................................................... 22
7. Operation Characteristics .................................................................................................................... 25
8. Electronic function ............................................................................................................................... 26
8.1 Abbreviation................................................................................................................................. 26
8.2 Display function ........................................................................................................................... 26
8.3 Main Protection ........................................................................................................................... 27
8.4 Operation Modes and Functions ................................................................................................. 28
9. Troubleshooting ................................................................................................................................... 33
9.1 Indoor Unit Error Display ............................................................................................................. 33
9.2 Diagnosis and Solution ............................................................................................................... 34