Dry Operation - Fujitsu ADUH09LUAS1 Service Manual

1-3. Dry operation

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 has detected as
shown in the table below.
Zone is defined by set temperature and room temperature.
• Compressor frequency range
Model name
ADUH09LUAS1
ADUH12LUAS1
ADUH18LUAS1
• 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
↓ zone
J zone
Y zone
↓ zone
J zone
Y zone
Room temperature rises
Ts: Set temperature
- (04-4) -
Unit: rps
Operating frequency
28
28
0
26
26
0
Ts+3°F
(Ts+1.5°C)
Ts-1°F
(Ts-0.5°C)
1. Compressor frequency control