Outdoor Fan Control - Fujitsu AB A30LBT Series Service Instruction

1-6. OUTDOOR FAN CONTROL

Following table shows the fan speed of the outdoor unit.
Table 6 : Fan speed of the outdoor unit
Outdoor temperature zone
AO*A30LFTL
AOTA30LGTL
AO*A36LFTL
AO*A30LFTL
900/ 800/ 620/ 550/ 450 rpm
AOTA30LGTL
AO*A36LFTL
900/ 800/ 620/ 550/ 450 rpm
Outdoor temperature zone
D zone ( Normal )
12
°C
2
°C
The outdoor fan speed is changed in the range of the speed shown in the above table6,
based on the speed of the compressor.
(When the compressor speed increases, the outdoor fan speed is also changed to
higher speed. If the compressor speed 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 7 : Fan speed when starting up outdoor fan
AO*A30LFTL
COOLING D zone (Normal) / HEATING
AO*A36LFTL
AOTA30LGTL
After operating the defrost control function on heating mode except economy operation,
its speed becomes 900rpm regardless of the compressor speed.
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.
D zone
F zone
G zone
D zone
F zone
G zone
Heating
F zone
G zone
Outdoor temperature zone
COOL F,G zone
Cooling
850/ 800/ 620/ 500/ 400 rpm
500/ 320/ 250 rpm
300/ 250/ 200 rpm
900/ 800/ 620/ 500/ 400 rpm
500/ 320/ 250 rpm
300/ 250/ 200 rpm
10
°C
0
°C
Fan speed
500 rpm
200 rpm
01-07
Dry
550/ 450 rpm
500/ 320/ 250 rpm
300/ 250/ 200 rpm
550/ 450 rpm
500/ 320/ 250 rpm
300/ 250/ 200 rpm