ON /OFF
The outdoor fan motor is turned on with the compressor start and turned off with the compressor stop except for
the following cases.
Also, the operating mode of the outdoor unit is changed, fan speed at each operating mode after changing is
controlled.
When the defrosting operation is performed
When the deicing operation is performed
When the same capacity cooling or heating mixed operation is performed
When the overload protection operation during heating operation is performed
Fan Speed
The outdoor fan motor has the following five steps of speed in addition to Stop.
*Intermittent output
1. Stop (FAN 1)-Stop (FAN 2) for 50 sec.
2. Lo-Stop is repeated for 20 sec.
3. The intermittent output is always started from Stop-Stop of 50 sec.
4. The Stop-Stop of 50 sec at the intermittent output is not a Stop of the outdoor fan.
5. But the outdoor fan shall operate at a cycle of Stop-Stop for 50 sec and Lo-Stop for 20 sec.
FAN SPEED
FAN 1
FAN 2
1
2
3
4
5
6
Hi
Hi
Lo
Lo
Intermittent
Hi
Stop
Lo
Stop
Stop Stop
5-3
OUTDOOR FAN MOTOR CONTROL
– 46 –
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