Fujitsu ASU9RL - Outdoor Unit Parts - AOU9 RL Specifics; Outdoor Unit AOU9 RL Base and Condenser; Outdoor Unit AOU9 RL Compressor and Valves; Outdoor Unit AOU9 RL Piping and Discharge

3. DRY OPERATION
3-1 INDOOR UNIT CONTROL
The compressor rotation frequency shall change according to the temperature, set temperature,
and room temperature variation which the room temperature sensor of the indoor unit body has
detected as shown in the Table 3.
However, after the compressor is driven, the indoor unit shall run at operation frequency of
64Hz (for ASU9RL) or 61Hz (for ASU12RL), for a minute.
Ts+1
°F
(+0.5°C)
Ts -3°F
(-1.5°C)
Ts -1°F
(
-0.5°C)
Ts+3°F
(+1.5°C)
( Table 3 : Compressor frequency )
( Table 4 : Indoor fan speed )
( Fig.3 : Compressor Control based on Room Temperature )
( Fig.4 : Indoor Fan Control )
05-03
Operating
frequency
37Hz
28Hz
0Hz
9RL
X zone
J zone
Y zone
Operating
frequency
J zone
Y zone
X zone
33Hz
25Hz
0Hz
12RL
Room Room
temperature temperature
X zone
J zone
Y zone
Compressor
ON
OFF
Indoor fan
Setting air flow
Indoor fan
(as shown in Table 4)
S-Lo
OFF
10 30 60 180 60 180 60 10 30
(SEC)
X zone J, Y zone
ASU9RL 680rpm 650rpm
ASU12RL 680rpm 650rpm