CONTENTS
1. Precaution .............................................................................................................................................. 1
1.1 Safety Precaution .......................................................................................................................... 1
1.2 Warning ......................................................................................................................................... 1
2. Function .................................................................................................................................................. 6
3. Dimension............................................................................................................................................... 9
3.1 Indoor Units ................................................................................................................................... 9
3.2 Outdoor Units .............................................................................................................................. 11
4. Refrigerant Cycle Diagram ................................................................................................................... 12
5. Wiring Diagram ..................................................................................................................................... 13
5.1 Indoor Units ................................................................................................................................. 13
5.2 Outdoor Units .............................................................................................................................. 15
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 ...................................................................................................... 20
6.4 Installation for the first time ......................................................................................................... 22
6.5 Adding the refrigerant after running the system for many years ................................................. 25
6.6 Re-installation while the indoor unit need to be repaired ............................................................ 26
6.7 Re-installation while the outdoor unit need to be repaired ......................................................... 28
7. Operation characteristics .................................................................................................................... 31
8. Electronic function ............................................................................................................................... 32
8.1 Abbreviation ................................................................................................................................. 32
8.2 Display function ........................................................................................................................... 32
8.3 Main Protection ........................................................................................................................... 34
9. Troubleshooting ................................................................................................................................... 47
9.1 Indoor unit error display .............................................................................................................. 47
9.2 Diagnosis and Solution ............................................................................................................... 48
Summary of Contents for MOA-07HN1-QC2
Page 11: ...9 3 Dimension 3 1 Indoor Units Figure 1 Figure 2...
Page 16: ...14 MSX 21HRN1 QB8W MSX 24HRN1 QB8W...
Page 17: ...15 5 2 Outdoor Units MOA 07HN1 QC2...
Page 18: ...16 MOA1 09HN1 QC2 MOA 09HN1 QC2 MOB1 12HN1 QC2 MOB 12HN1 QC2...
Page 19: ...17 MOF 18HN1 QC2...