Outdoor Fan Control - Fujitsu AU G18LVLB Series Service Instruction

1-6. OUTDOOR FAN CONTROL

1. Outdoor Fan Motor
Follow ing table shows the fan speed of the outdoor unit.
( Table 6 : Fan speed of the outdoor unit )
Y zone
-
S-Hi2
S-Hi1
1000
Hi 1000
10 -
1000
9
900
8
850
7
620
6
550
5
4 470
440
3
2 440
1 440
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 7 : Fan speed when starting up outdoor fan )
Outdoor temperature
Over than 12°C
Less than 12°C
After operating the defrost control on heating mode, the fan speed becomes 190rpm when
the outdoor temperature is below
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 2°C.
Cooling / Dry
Z zone F zone G zone
- - -
- - -
-
- -
- - -
850 320
270
850
320
270
770 320 270
630 270 230
440
270
230
320
270
230
320
270
230
320
270
230
320 270
230
Fan speed
500 rpm
230 rpm
1 °C until the HEX(outlet) temper reaches
Heating
1100
Ambient Temperature zone
1100
1100
21 °C
1100
1000
12 °C
800
770
700
2 °C
630
550
470
440
420
0 °C.
01-08
Y zone
19°C
Z zone
10 °C
F zone
0 °C
G zone