Dry Operation - Fujitsu ACUH09LUAS1 Service Manual
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Also See for ACUH09LUAS1:
- Design & technical manual (96 pages) ,
- Design & technical manual (96 pages)
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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
ACUH09LUAS1
ACUH12LUAS1
ACUH18LUAS1
• 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
↔ zone
↓ zone
J zone
↔ 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
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