Dry Operation - Fujitsu ASUH09LPAS Service Manual

1-3. Dry operation

The rotation number of compressor shall change according to the temperature, set temperature, and
room temperature variation which the room temperature sensor of the indoor unit has detected as
shown in the table below.
Zone is defined by set temperature and room temperature.
• Rotation number range of compressor
Model name
ASUH09LPAS
ASUH12LPAS
• Compressor control based on room temperature
1-3. Dry operation
Outdoor temperature zone
Room temperature drops
X zone
Ts+1°F
(Ts+0.5°C)
J zone
Ts-3°F
(Ts-1.5°C)
Y zone
X zone
J zone
Y zone
X zone
J zone
Y zone
Room temperature rises
Ts: Set temperature
- (04-4) -
Unit: rps
Operating frequency
24
18
0
22
16
0
Ts+3°F
(Ts+1.5°C)
Ts-1°F
(Ts-0.5°C)
1. Rotation number control of compressor