Fujitsu AOU9RLFC User Manual

The maximum value of the indoor fan speed is set as shown in Fig. 6 based on the detected
temperature by the indoor heat-exchanger sensor on heating mode.
( Fig. 6 : Cool air prevention control )
01-05
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 [High] [Quiet], the indoor motor will run at a constant airflow
of [Heat] operation modes Quiet, Low, Med, High, as shown in Table 5.
6. COOL AIR PREVENTION CONTROL (Heating mode)
( Fig. 5 : Airflow change - over ( Heating : Auto ) )
108°F
(42°C)
86°F
(30°C)
93°F
(34°C)
Indoor heat exchanger
temperature drops
Hi
Me+
Lo
Cool air
prevention
102°F
(39°C)
99°F
(37°C)
99°F
(37°C)
90°F
(32°C)
S-Lo
Swich the airflow "Auto" at cooling mode, and the indoor fan motor will run as shown in Fig. 7.
7. MOISTURE RETURN PREVENTION CONTROL (Cooling mode& Dry mode)
( Fig. 7 : Indoor fan control )
Compressor
ON
OFF
Indoor fan
Setting air flow
Indoor fan
(as shown in Table 6)
S-Low
OFF
10 30 60 180 60 180 60 10 30
(sec)
( Table 6 : Indoor fan speed )
X zone J zone
ARU9RLF
960rpm 960rpm 960rpm
ARU12RLF 1030rpm 1030rpm 1030rpm
Dry
Cooling
108°F
(42°C)
86°F
(30°C)
96°F
(34°C)
Indoor heat exchanger
temperature drops
Powerful
Hi
Lo
Cool air
prevention
102°F
(39°C)
99°F
(37°C)
99°F
(37°C)
90°F
(32°C)
82°F
(28°C)
S-Lo
TR-Ts > -3°F
(-1.5°C)
=
-5°F > TR-Ts
(-2.5°C)
-3°F > TR-Ts > -5°F
(-1.5°C) (-2.5°C)
=
TR-Ts > -2°F
(-1°C)
=
-4°F > TR-Ts
(-2°C)
-2°F > TR-Ts > -4°F
(-1°C) (-2°C)
=
When the room
temperature rises
When the room
temperature drops
TR : Room temperature
Ts : Setting temperature
Low mode
Med mode
High mode
*High
or setting fan mode
*Low
or setting fan mode
Indoor heat exchanger
temperature rises
Indoor heat exchanger
temperature drops
S-Low
*Lower speed is selected.
75°F
(24°C)
84°F
(29°C)
ARU18RLF 1140rpm 1140rpm 1140rpm

Fujitsu AOU9RLFC Specifications

General

Brand	Fujitsu
Model	AOU9RLFC
Category	Air Conditioner
Language	English