Mission On-off    DM16-01.01.21en 
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. Operation Characteristics ......................................................................................................................... 33
9. Electronic function .................................................................................................................................... 34
9.1 Abbreviation .............................................................................................................................. 34
9.2 Display function ......................................................................................................................... 34
9.3 Main Protection ......................................................................................................................... 36
9.4 Operation Modes and Functions ............................................................................................... 37
10. Troubleshooting ....................................................................................................................................... 43
10.1 Indoor Unit Error Display ......................................................................................................... 43
10.2 Diagnosis and Solution ............................................................................................................ 44