Content
2
Content
1. Precaution .................................................................................................................................... 2
1.1 Safety Precaution .......................................................................................................................... 2
1.2 Warning ......................................................................................................................................... 2
2. Function ....................................................................................................................................... 3
3. Dimension .................................................................................................................................... 5
3.1 Indoor unit ..................................................................................................................................... 5
3.2 Outdoor unit ................................................................................................................................... 5
4. Refrigerant cycle diagram ........................................................................................................... 6
5. Operation limits............................................................................................................................ 7
5.1 Cooling operation ........................................................................................................................... 7
5.2 Heating operation .......................................................................................................................... 7
6. Wiring diagram ............................................................................................................................. 8
7. Installation details ...................................................................................................................... 12
7.1 Wrench torque sheet for installation ............................................................................................. 12
7.2 Connecting the cables.................................................................................................................. 12
7.3 Pipe length and the elevation ....................................................................................................... 12
7.4 Air purging of the piping and indoor unit ....................................................................................... 13
7.5 Pumping down (Re-installation) .................................................................................................... 14
7.6 Re-air purging (Re-installation) ..................................................................................................... 15
7.7 Balance refrigerant of the 2-way, 3-way valves ............................................................................. 16
7.8 Evacuation ................................................................................................................................... 17
7.9 Gas charging ............................................................................................................................... 18
8. Electronic function .................................................................................................................... 19
8.1 Proper symbols and their meaning ............................................................................................... 19
8.2 Function....................................................................................................................................... 19
8.3 Protection .................................................................................................................................... 19
8.4 Fan-only mode ............................................................................................................................. 20
8.5 Cooling mode .............................................................................................................................. 20
8.6 Dehumidifying mode .................................................................................................................... 21
8.7 Heating mode .............................................................................................................................. 22
8.8 Defrosting mode (available for heating mode) .............................................................................. 23
8.9 Auto mode ................................................................................................................................... 24
8.10 Force cooling function .................................................................................................................. 24
8.11 Sleep mode ................................................................................................................................. 25
8.12 Auto restart function ..................................................................................................................... 25
8.13 Turbo mode ................................................................................................................................. 25
9. Model and Parameters ............................................................................................................... 26
10. Troubleshooting ......................................................................................................................... 27
10.1 Display board ............................................................................................................................... 27
10.2 Troubleshooting ........................................................................................................................... 27