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Electrical Control Function
1.3 Operation Modes and Functions
1.3.1 Fan mode
( 1) Outdoor fan and compressor stop.
(2) Temperature setting function is disabled, and no setting temperature is displayed.
(3) Indoor fan can be set to high/(med)/low/auto.
(4) The louver operates same as in cooling mode.
(5) Auto fan:
Big Cassette
Compact Cassette
1.3.2 Cooling Mode
1.3.2.1 Outdoor fan running rules
For 1-phase outdoor units:
The On-off outdoor units have single fan speed. The outdoor fan will run following the compressor except
when AC is in evaporator high temp. protection in heating mode ,condenser high temp. protection in cooling
mode, defrosting mode and the current protection.
For 3-phase outdoor units:
1.3.2.2 Indoor fan running rules
In cooling mode, indoor fan runs all the time and the speed can be selected as high, (medium), low and auto.
The auto fan:
Big cassette:
T1
High
27°C
24°C
Low
T1
High
27°C
25°C
Low
33
30
High
Low
Electrical Control
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