Oasis On-off DM12-01.01.09en
2 Service manual
CONTENTS
1. Precaution .................................................................................................................................................... 3
1.1 Safety Precaution ........................................................................................................................ 3
1.2 Warning ....................................................................................................................................... 3
2. Function ........................................................................................................................................................ 7
3. Specification ................................................................................................................................................ 8
4. Dimension .................................................................................................................................................. 12
4.1 Indoor Unit ................................................................................................................................. 12
4.2 Outdoor Unit .............................................................................................................................. 14
5. Capacity tables .......................................................................................................................................... 15
6. Refrigerant Cycle Diagram ....................................................................................................................... 19
7. Wiring Diagram .......................................................................................................................................... 20
7.1 Indoor Unit ................................................................................................................................. 20
7.2 Outdoor Unit .............................................................................................................................. 22
8 Installation Details ...................................................................................................................................... 24
8.1 Wrench torque sheet for installation .......................................................................................... 24
8.2 Connecting the cables ............................................................................................................... 24
8.3 Pipe length and the elevation .................................................................................................... 25
8.4 Installation for the first time ....................................................................................................... 26
8.5 Adding the refrigerant after running the system for many years ................................................ 29
8.6 Re-installation while the indoor unit need to be repaired ........................................................... 30
6.7 Re-installation while the outdoor unit need to be repaired ......................................................... 32
9. Operation Characteristics ......................................................................................................................... 35
10. Electronic function .................................................................................................................................. 36
10.1 Abbreviation ............................................................................................................................ 36
10.2 Display function ....................................................................................................................... 36
10.3 Main Protection ....................................................................................................................... 37
10.4 Operation Modes and Functions ............................................................................................. 38
11. Troubleshooting ....................................................................................................................................... 50
11.1 Indoor Unit Error Display ......................................................................................................... 50
11.2 Diagnosis and Solution ............................................................................................................ 51
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