Fan Control; Indoor Fan Control - Fujitsu AO G09KATA Series Service Instruction

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3. Fan control

Tr: Room temperature
Ts: Setting temperature

3-1. Indoor fan control

¢ Fan speed
Indoor fan speed is defined as below.
Operation mode
Heating
Cooling/Fan
Dry
*1: Fan mode only
*2: Cooling mode only
¢ Fan operation
Airflow can be switched in 5 steps such as AUTO, QUIET, LOW, MED, HIGH while indoor unit fan
only runs.
When fan mode is set at AUTO, it operates on MED fan speed.
¢ Cooling operation
Switch the airflow AUTO, and indoor fan motor will run according to room temperature, as below.
On the other hand, if switched in HIGH—QUIET, indoor motor will run at a constant airflow of COOL
operation modes QUIET, LOW, MED, HIGH as shown in "Fan speed" above.
Airflow change over (Cooling: Auto)
2°C
¢ Dry operation
During dry operation, fan speed setting can not be changed as shown in "Fan speed" above.
3-1. Indoor fan control
Fan mode
ARXG09KLLAP ARXG12KLLAP ARXG14KLLAP ARXG18KLLAP
HIGH
1,260
MED
1,160
LOW
1,060
QUIET
960
S-LOW
500
HIGH
1,260
MED
1,160
LOW
1,060
QUIET
960
Soft quiet
500*
S-LOW
500*
X zone: 960
J zone: 960
Tr - Ts ≥
2°C
> Tr - Ts ≥
1°C
1°C > Tr - Ts
When room
temperature drops
Speed (rpm)
1,340
1,240
1,140
1,030
500
1,340
1,240
1,140
1,030
1
1
500*
2
2
500*
X zone: 1,030
J zone: 1,030
Tr - Ts ≥
HIGH mode
2.5°C
MED mode
1.5°C > Tr - Ts
LOW mode
When room
temperature rises
- (01-10) -
1,560
1,380
1,400
1,300
1,240
1,220
1,030
1,140
500
600
1,560
1,380
1,400
1,300
1,240
1,220
1,030
1,140
1
500*
600*
2
500*
600*
X zone: 1,030
X zone: 1,140
J zone: 1,030
J zone: 1,140
2.5°C
> Tr - Ts ≥
1.5°C
1
2
3. Fan control

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