Indoor Fan Control - Fujitsu ARG60LHTA Service Instruction

1-5. INDOOR FAN CONTROL

1. Fan speed
( Table 5 : Standard of Indoor Fan Speed )
AR* G60LHTA
(Static pressure : 60Pa (Standard))
Operation
mode
Heating
2. FAN OPERATION
The airflow can be switched in 4 steps such as Auto, Lo, Me, Hi, while the indoor fan only runs.
When [Auto] is selected, the indoor fan motor runs Me.
3. COOLING OPERATION
Switch the airflow [Auto], and the indoor fan motor will run according to a room temperature,
as shown in Fig. 6.
On the other hand, if switched in [Hi] ~ [Lo], the indoor motor will run at a constant airflow of [Cool]
operation modes Lo, Me, Hi ,as shown in Table 5.
( Fig.6 : Airflow change - over ( Cooling : AUTO ) )
TR-Ts > 2°C
=
2°C > TR-Ts > 1°C
=
1°C > TR-Ts
AMP Air Conditioning
Air flow Fan Speed
mode moter (rpm)
1 1090
Hi
2 1050
1
Me
2
1
Lo
2
1
Intermittent
2
1
S-Lo
2
Hi mode
Me mode
Lo mode
When the room
temperature drops
Operation Air flow
mode mode
Cooling
Fan
900
860
780
740
420
Intermittent
380
420
S-Lo
380
Dry
Intermittent
*1 When the room
temperature rises
TR-Ts > 2.5°C
=
2.5°C > TR-Ts > 1.5°C
1.5°C > TR-Ts
*1 : Contains a condition to the following
When the operation mode is set to Auto mode
at the start of operation.
When the setting temperature was changed.
When the operation mode was changed to Cooling mode.
When the airflow mode was changed to Auto mode.
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01-06
Fan Speed
moter (rpm)
1 1090
Hi
2 1050
1 900
Me
2 860
1 780
Lo
2 740
1 420
2 380
1 420
2 380
1 780
Auto
2 740
1 420
2 380
1 420
S-Lo
2 380
TR : Room temperature
Ts : Setting temperature
=