Indoor Fan Control - Fujitsu ARCG040LSTA Service Instruction

5. INDOOR FAN CONTROL

1. Fan speed
( Table 6 : Indoor Fan Speed )
ARCG040LSTA
Operation mode
Heating
Cooling
Fan
Dry
Monitoring
*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, LOW, MED, HIGH,
while the indoor fan only runs.
When Fan mode is set at (Auto), it operates on [MED] 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. 5.
On the other hand, if switched in [HIGH]
operation modes QUIET, LOW, MED, HIGH, as shown in Table 6.
( Fig.5 : Airflow change - over ( Cooling : AUTO ) )
TR-Ts > 2 °C
=
2 °C > TR-Ts > 1 °C
=
1 °C > TR-Ts
Air flow mode
Speed (rpm)
Hi
1560
Me
1400
Lo
1240
Quiet
1030
S-Lo
500
Hi
1560
Me
1400
Lo
1240
Quiet
1030
*Soft Quiet
500
Auto
1030
S-Lo
500
[QUIET], the indoor motor will run at a constant airflow of [COOL]
High mode
Med mode
Low mode
When the room
temperature drops
When the room
temperature rises
TR-Ts > 2.5 °C
=
2.5 °C > TR-Ts > 1.5 °C
1.5 °C > TR-Ts
TR : Room temperature
Ts : Setting temperature
01-05
=