Service manual
32
11.3.7
Current up
I restore
I fan
I 5min
I 3sec
Indoor fan: On
compressor: On
outdoor fan:On
The outdoor fan turn
off (heating)
The outdoor fan turn
low speed (cooling)
Compressor turn off
(after 5 minute later)
Compressor turn off
(after 3 minute later)
Current down
If compressor turns off for continuously 4 times due to current protection in 5 minutes from Compressor On, the unit stops and LED
displays failure information and can’t returns to normal operation automatically.
11.4
Fan-only mode
Fan speed is high/mid/low/ Auto
11.5
Cooling mode
The 4-way valve is closed at cooling mode.
The action of the compressor and the outdoor fan:
0
T-Ts
Room temp. up
Room temp. down
1
Compressor on
outdoor fan on
Compressor off
outdoor fan off
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