Indoor Fan Control - Fujitsu AGU12RLF Service Instruction

5. INDOOR FAN CONTROL

1. Fan speed
( Table 5 : Indoor fan speed )
AGU9/ 12RLF
Operation mode
Heating
Cooling/ Fan
Dry
AGU15RLF
Operation mode
Heating
Cooling/ Fan
Dry
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 Fig4.
On the other hand, if switched in [Hi]
operation modes Quiet, Lo, Me, Hi, as shown in Table 5.
( Fig.4 : Airflow change - over ( Cooling : Auto ) )
TR-Ts > 4°F
(2°C)
4°F > TR-Ts > 2°F
=
(2°C) (1°C)
2°F > TR-Ts
(1°C)
Air flow mode
Powerful (Upper/ Lower)
Hi
Me
Lo
Quiet
Cool air prevention
S-Lo
Powerful
(Upper/ Lower)
Hi
Me
Lo
Quiet
S-Lo
(Upper/ Lower)
Air flow mode
Powerful (Upper/ Lower)
Hi
Me
Lo
Quiet
Cool air prevention
S-Lo
Powerful
(Upper/ Lower)
Hi
Me
Lo
Quiet
S-Lo
(Upper/ Lower)
[Quiet], the indoor motor will run at a constant airflow of [Cool]
HIGH mode
MED mode
LOW mode
When the room
temperature drops
Speed (rpm)
Upper& Lower Upper
air flow mode air flow mode
1350/ 1150 1350/ ---
1240/ 1040 1280/ ---
1040/ 880 1080/ ---
840/ 700 870/ ---
660/ 560 680/ ---
660/ 560 680/ ---
660/ 560 680/ ---
1300/ 1100 1300/ ---
1190/ 1000 1230/ ---
1000/ 850 1030/ ---
820/ 690
660/ 560
660/ 560
X zone: 680
---- / ----
J zone: 680
Speed (rpm)
Upper& Lower Upper
air flow mode air flow mode
1440/ 1230 1440/ ---
1330/ 1120 1370/ ---
1100/ 930 1130/ ---
860/ 730 890/ ---
660/ 560 680/ ---
660/ 560 680/ ---
660/ 560 680/ ---
1440/ 1230 1440/ ---
1330/ 1120 1370/ ---
1100/ 930 1130/ ---
890/ 750
660/ 560
660/ 560
X zone: 680
---- / ----
J zone: 680
TR-Ts > 5°F
=
(2.5°C)
5°F > TR-Ts > 3°F
(2.5°C)
3°F > TR-Ts
(1.5°C)
When the room
temperature rises
TR : Room temperature
Ts : Setting temperature
01-04
850/ ---
680/ ---
680/ ---
890/ ---
680/ ---
680/ ---
=
(1.5°C)