Fujitsu ADUH09LUAS1 Service Manual

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 Fan mode
Speed (rpm)
ADUH09LUAS1 ADUH12LUAS1 ADUH18LUAS1
Heating
HIGH 1,260 1,340 1,380
MED 1,160 1,240 1,300
LO→ 1,060 1,140 1,220
QUIET 960 1,030 1,140
S-LO→ 500 500 600
Cooling/Fan
HIGH 1,260 1,340 1,380
MED 1,160 1,240 1,300
LO→ 1,060 1,140 1,220
QUIET 960 1,030 1,140
Soft quiet
500*
1
500*
1
600*
1
S-LO→
500*
2
500*
2
600*
2
Dry
↓ zone: 960
J zone: 960
↓ zone: 1,030
J zone: 1,030
↓ zone: 1,140
J zone: 1,140
*1: Fan mode only
*2: Cooling mode only
¢ Fan operation
Airflow can be switched in 5 steps such as AUTO, QUIET, LO→, MED, HIGH while indoor unit fan
only runs.
→hen 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, LO→, MED, HIGH as shown in “Fan speed” above.
Airflow change over (Cooling: Auto)
When room
temperature rises
When room
temperature drops
Tr - Ts ≥ 4°F (2°C)
HIGH mode
MED mode
LOW mode
4°F (2°C) > Tr - Ts ≥ 2°F (1°C)
2°F (1°C) > Tr - Ts
Tr - Ts ≥ 5°F (2.5°C)
5°F (2.5°C) > Tr - Ts ≥ 3°F (1.5°C)
3°F (1.5°C) > Tr - Ts
3-1. Indoor fan control - (04-10) - 3. Fan control
CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS

Fujitsu ADUH09LUAS1 Specifications

General

Brand	Fujitsu
Model	ADUH09LUAS1
Category	Air Conditioner
Language	English