Blanc On-off DM16-01.01.07en
2 Service manual
CONTENTS
1. Precaution .................................................................................................................................................... 3
1.1 Safety Precaution ........................................................................................................................ 3
1.2 Warning ....................................................................................................................................... 3
2. Function ........................................................................................................................................................ 6
3. Specification ................................................................................................................................................ 7
4. Dimension ................................................................................................................................................... 11
4.1 Indoor Unit ................................................................................................................................. 11
4.2 Outdoor Unit .............................................................................................................................. 15
5. Capacity tables ........................................................................................................................................... 19
6. Refrigerant Cycle Diagram ....................................................................................................................... 24
7. Installation Details ..................................................................................................................................... 25
7.1 Wrench torque sheet for installation .......................................................................................... 25
7.2 Connecting the cables ............................................................................................................... 25
7.3 Pipe length and the elevation .................................................................................................... 26
7.4 Installation for the first time........................................................................................................ 27
7.5 Adding the refrigerant after running the system for many years ................................................ 29
7.6 Re-installation while the indoor unit need to be repaired ........................................................... 30
7.7 Re-installation while the outdoor unit need to be repaired ......................................................... 31
8. Wiring Diagram .......................................................................................................................................... 33
8.1 Indoor Unit ................................................................................................................................. 33
8.2 Outdoor Unit .............................................................................................................................. 35
9. Operation Characteristics ......................................................................................................................... 37
10. Electronic function .................................................................................................................................. 38
10.1 Abbreviation ............................................................................................................................ 38
10.2 Display function ....................................................................................................................... 38
10.3 Main Protection ....................................................................................................................... 40
10.4 Operation Modes and Functions ............................................................................................. 40
11. Troubleshooting ....................................................................................................................................... 48
11.1 Indoor Unit Error Display ......................................................................................................... 48
11.2 Trouble shooting ...................................................................................................................... 49
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