Indoor Fan Control; Fan Speed; Fan Operation - Fujitsu ASTG18KMTC Service Instruction

5. INDOOR FAN CONTROL

1. Fan speed

( Table4 : Indoor Fan Speed )
Operation mode
Heating
Cooling/ Fan
Dry
*Note, during Economy operation and operation mode is Fan, air flow is 1 step downs.
(Hi > Me, Me > Lo, Lo > Quiet, Quiet > Soft Quiet)

2. FAN OPERATION

The airflow can be switched in 5 steps such as Auto, Quiet, Lo, Me, Hi,
while the indoor fan only runs.
When Fan mode is set at (Auto), it operates on (Me) Fan Speed.
3. COOLING OPERATION
Switch the airflow [Auto], and the indoor fan motor will run according to a room temperature,
as shown in Fig.3.
On the other hand, if switched in [Hi] ~ [Quiet], the indoor motor will run at a constant airflow of [Cool]
operation modes Quiet, Lo, Me, Hi, as shown in Table4.
( Fig.3 : Airflow change - over ( Cooling : Auto ) )
TR-Ts > 2°C
2°C > TR-Ts > 1°C
1°C > TR-Ts
4. DRY OPERATION
Refer to the Table4.
During the dry mode operation, the fan speed setting can not be changed.
Air flow mode
ASTG18KMTC
Powerful 1400
Hi 1300
Me+
1230
Me 1130
Lo
Quiet
Cool air prevention
S-Lo
1400
Powerful
1300
Hi
1130
Me
Lo
Quiet
* Soft Quiet
X zone: 760
J zone: 670
Hi mode
Me mode
=
Lo mode
When the room
temperature drops
Speed (rpm)
ASTG22KMTC ASTG24KMTC
1450
1350
1230
1130
900 900
760 760
650 650
520 520
1450
1350
1130
900 900
760 760
650 650
X zone: 760
J zone: 670
TR-Ts > 2.5°C
=
2.5°C > TR-Ts > 1.5°C
1.5°C > TR-Ts
When the room
temperature rises
TR : Room temperature
Ts : Setting temperature
01-04
1570
1470
1230
1130
900
760
650
520
1570
1470
1130
900
760
650
X zone: 760
J zone: 670
=