Indoor Fan Control - Fujitsu AS* G09LECB Service Instruction

5. INDOOR FAN CONTROL

1. FAN SPEED
( Table 5 : Indoor fan speed )
AS*G09/12LECB
Operation mode
Heating
Cool air prevention
Cooling/ Fan
Dry
2. FAN OPERATION
The airflow can be switched in 5 steps such as Auto, Quiet, Low, Med, 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. 4.
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 Table 5.
( Fig.4 : 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 Table 5.
During the dry mode operation, the fan speed setting can not be changed.
5. HEATING OPERATION
Switch the airflow [Auto], and the indoor fan motor will run according to a room temperature, as shown in Fig. 5.
On the other hand, if switched in [Hi]
of [Heat] operation modes Quiet, Lo, Me, Hi, as shown in Table 5.
( Fig.5 : Airflow change - over ( Heating : Auto ) )
TR-Ts > - 1 °C
=
- 1 °C > TR-Ts > - 2 °C
=
- 2 °C > TR-Ts
Air flow mode Speed (rpm)
Hi
1440
Me+
1370
Me
1200
Lo
980
700
Quiet
600
S-Lo 480
Hi 1440
Me
1200
920
Lo
Quiet
680
* Soft Quiet
600
X zone: 680
J zone: 600
Hi mode
Me mode
Lo mode
When the room
temperature drops
[Quiet], the indoor motor will run at a constant airflow
When the room
temperature rises
Lo
Me
Me+
*Note, during Economy operation and operation mode is Fan,
air flow is 1 step downs.
(Hi > Me, Me > Lo, Lo > Quiet, Quiet > Soft Quiet)
TR-Ts > 2.5 °C
=
2.5 °C > TR-Ts > 1.5 °C
=
1.5 °C > TR-Ts
When the room
temperature rises
When the room
temperature drops
TR-Ts > - 1.5 °C
=
- 1.5 °C > TR-Ts > - 2.5 °C
=
- 2.5 °C > TR-Ts
01-05
TR : Room temperature
Ts : Setting temperature
TR : Room temperature
Ts : Setting temperature