Service manual
29
11.3.5 The current protection of the compressor
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 5 seconds 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:(T=indoor temperature)