Midea MSG-24CRN2, Руководство по обслуживанию

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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........................................................................................... 9
6. Operation limits ......................................................................................................... 10
6.1 Cooling operation..................................................................................................................... 10
6.2 Heating operation .................................................................................................................... 10
7. Schematic diagram and Wiring diagram ................................................................. 11
7.1 Schematic diagram ...................................................................................................................11
7.2 Wiring diagram......................................................................................................................... 12
8. Installation details...................................................................................................... 16
8.1 Wrench torque sheet for installation......................................................................................... 16
8.2 Connecting the cables ............................................................................................................. 16
8.3 Pipe length and the elevation................................................................................................... 16
8.4 Air purging of the piping and indoor unit .................................................................................. 17
8.5 Pumping down (Re-installation) ............................................................................................... 18
8.6 Re-air purging (Re-installation) ................................................................................................ 19
8.7 Balance refrigerant of the 2-way, 3-way valves........................................................................ 20
8.8 Evacuation ............................................................................................................................... 21
8.9 Gas charging ........................................................................................................................... 22
9. Capacity table ............................................................................................................ 23
9.1 MSG-24CRN2.......................................................................................................................... 23
9.2 MSG-24HRN2.......................................................................................................................... 23
9.3 MSG-30CRN2.......................................................................................................................... 24
9.4 MSG-30HRN2.......................................................................................................................... 24
10. Electronic function .................................................................................................... 25
10.1 Electronic control working environment ................................................................................... 25
10.2 Proper symbols and their meaning .......................................................................................... 25
10.3 Function ................................................................................................................................... 25
10.4 Protection................................................................................................................................. 27
10.5 Fan only mode ......................................................................................................................... 27
10.6 Cooling mode........................................................................................................................... 27
10.7 Dehumidifying mode ................................................................................................................ 28
10.8 Heating mode .......................................................................................................................... 28
10.9 Defrosting mode(available for heating mode) .......................................................................... 29