Content
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Content
1. Precaution .................................................................................................................... 1
1.1 Safety Precaution ...................................................................................................................... 1
1.2 Warning ..................................................................................................................................... 1
2. Function ....................................................................................................................... 3
3. Dimension .................................................................................................................... 5
3.1 Indoor unit .................................................................................................................................. 5
3.2 Outdoor unit ............................................................................................................................... 5
4. Specification ................................................................................................................ 6
5. Refrigerant cycle diagram ........................................................................................... 8
6. Operation limits ........................................................................................................... 9
6.1 Cooling operation ....................................................................................................................... 9
6.2 Heating operation ...................................................................................................................... 9
7. Schematic diagram and Wiring diagram ................................................................. 10
7.1 Schematic diagram .................................................................................................................. 10
7.2 Wiring diagram .......................................................................................................................... 11
8. Installation details ...................................................................................................... 12
8.1 Wrench torque sheet for installation ......................................................................................... 12
8.2 Connecting the cables ............................................................................................................. 12
8.3 Pipe length and the elevation ................................................................................................... 13
8.4 Air purging of the piping and indoor unit .................................................................................. 13
8.5 Pumping down (Re-installation) ............................................................................................... 15
8.6 Re-air purging (Re-installation) ................................................................................................ 16
8.7 Balance refrigerant of the 2-way, 3-way valves ........................................................................ 17
8.8 Evacuation ............................................................................................................................... 18
8.9 Gas charging ........................................................................................................................... 19
9. Capacity table ............................................................................................................ 20
9.1 MSG-30CR N1-QB9P .............................................................................................................. 20
9.2 MSG-30HRN1-QB9P ............................................................................................................... 20
9.3 MSG-36CRN1-QB8P ............................................................................................................... 21
9.4 MSG-36HRN1-QB8P ............................................................................................................... 21
10. Electronic function .................................................................................................... 22
10.1 Electronic control working environment ................................................................................... 22
10.2 Proper symbols and their meaning .......................................................................................... 22
10.3 Function ................................................................................................................................... 22
10.4 Protection ................................................................................................................................. 24
10.5 Fan only mode ......................................................................................................................... 24
10.6 Cooling mode ........................................................................................................................... 24
10.7 Dehumidifying mode ................................................................................................................ 25
10.8 Heating mode .......................................................................................................................... 25
10.9 Defrosting mode(available for heating mode) .......................................................................... 26
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