Outdoor Fan Control - Fujitsu ABU18RULX Service Instruction

6. OUTDOOR FAN CONTROL

1. Outdoor Fan Motor
Following table shows the fan speed of the outdoor unit.
( Table 6 : Fan speed of the outdoor unit )
ABU18RULX
ABU24RULX
ABU36RSLX
The outdoor fan speed changs in the range mentioned avobe depending on the compressor
*
frequency and outdoor temperature.
(When the compressor frequency and outdoor temperature increase, the outdoor fan speed
also changes to the higher speed.
When the compressor frequency and outdoor temperature decrease, the outdoor fan
speed also changes to the lower speed.)
For ABU18RULX
*
It runs at 250rpm for 20 seconds after starting up the outdoor fan.
When the outdoor heat exchanger tenperature is lower than 35.6°F (2°C),
the fan speed switches to 780rpm on heating mode.
For ABU24RULX / ABU36RSLX
*
It runs at 250rpm for 20 seconds after starting up the outdoor fan.
When the outdoor heat exchanger tenperature is lower than 35.6°F (2°C),
the fan speed switches to 900rpm on heating mode.
Cooling
780/ 400/ 250/ 220/ 200 rpm
900/ 850/ 780/ 400/ 250/ 220/ 200 rpm
01-07
Heating
780/ 400/ 250/ 220/ 200 rpm
900/ 780/ 400/ 250/ 220/ 200 rpm