Outdoor Fan Control - Fujitsu S24LDC Service Instruction

6. OUTDOOR FAN CONTROL

(1). Fan speed
Table 6 : Fan speed (Cooling, Dry)
Outdoor temperature
Over than 12 C
AS*B24LDC
Less than 12 C
Table 7 : Fan speed (Heating)
AS*B24LDC
The outdoor fan speed is changed in the range of the speed shown in the above table,
*
based on the frequency of the compressor.
(When the compressor frequency increases, the outdoor fan speed is also changed to
higher speed. If the compressor frequency decreases, the outdoor fan speed is changed
to the lower speed as well.)
After starting up the outdoor fan, it operates with the following speed for initial 20 seconds.
Table 8 : Fan speed when starting up Outdoor fan
Outdoor temperature
Over than 12 C
AS*B24LDC
Less than 12 C
* After operating the defrost control function on heating mode, its speed becomes 1,000rpm
regardless of the compressor frequency.
However, it returns to the normal speed control when the defrosting operation does not function
for 240 minutes after releasing the defrost operation or when the outdoor temperature sensor
detection value becomes higher than 5 C.
950/820/670/500rpm
400/280/230rpm
Heating
1100/1000/730/670/550/450rpm
Speed
500rpm
200rpm
Cooling
550rpm
400/280/230rpm
05-07
Dry