Fujitsu ARU7RLF Service Instruction page 12

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 (Auto : Cooling)
Switch the airflow [Auto], and the indoor fan will run according to a room temperature,
as shown in Fig 3.
On the other hand, if switched in [Hi]
operation modes Quiet, Lo, Me, Hi.
( Fig.3 : Airflow change - over )
TR-Ts > +4
=
°F(+
+4 2°C) > TR-Ts > +2
=
=
°F(+
+2 1°C) > TR-Ts
4. DRY OPERATION (Auto : Dry)
During the dry operation, the fan speed setting can not be changed,it operates automatically as shown in Fig. 4
Room temperature variation which the room temperature sensor of the indoor unit body has detected.
( Fig. 4 : Indoor fan control )
< Compressor >
ON
OFF
< Indoor fan air flow mode >
Setting air flow
S-Lo
Fan OFF
[Quiet], the indoor fan will run at a constant airflow of [Cooling]
< All models >
Hi
°F(+
2°C)
Me
°F(+
1°C)
Lo
=
When the room
temperature drops
10 30
TR-Ts > +5
=
°F(+
+5 2.5°C) > TR-Ts > +3
°F(+
+3 1.5°C) > TR-Ts
When the room
temperature rises
< All models >
60 180 60 180
01-08
< All models >
TR : Room temperature
Ts : Setting temperature
°F(+
2.5°C)
°F(+
1.5°C)
=
=
=
60 10 30 (sec)