Service Instruction

5. INDOOR FAN CONTROL
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.
01-04
2. FAN OPERATION
3. COOLING OPERATION
Switch the airflow [Auto], and the indoor fan motor will run according to a room temperature,
as shown in Figure4.
On the other hand, if switched in [High] [Quiet], the indoor motor will run at a constant airflow of [Cool]
operation modes Quiet, Low, Med, High, as shown in Table 5.
( Fig.4 : Airflow change - over ( Cooling : Auto ) )
1. Fan speed
( Table 5 : Indoor fan speed )
Operation mode Air flow mode
Speed (rpm)
Cooling/ Fan
Heating
Dry
X zone: 440
J zone: 440
X zone: 460
J zone: 460
X zone: 460
J zone: 460
AUU9RLF AUU12RLF AUU18RLF
4. DRY OPERATION
Refer to the Table 5.
During the dry mode operation, the fan speed setting can not be changed.
High
High
Med
Med
Low
Low
Quiet
Quiet
S-Low
When the room
temperature rises
When the room
temperature drops
TR : Room temperature
Ts : Setting temperature
TR-Ts > 4°F
(2°C)
2°F > TR-Ts
(1°C)
4°F > TR-Ts > 2°F
(2°C) (1°C)
=
TR-Ts > 5°F
(2.5°C)
=
3°F > TR-Ts
(1.5°C)
5°F > TR-Ts > 3°F
(2.5°C) (1.5°C)
=
High mode
Med mode
Low mode
S-Low
Med+
Cool air prevention
590
540
490
440
400
300
570
590
540
490
440
300
650
580
520
460
400
300
620
660
580
520
460
300
830
730
630
500
400
300
770
730
630
540
460
300