Fujitsu AOTG30KMTC, Service Manual, Page: 135 / 199

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
Unit: rps
Model name Outdoor temperature zone Operating frequency
ASTG30KMTC
X zone 27
Y zone 16
Z zone 0
ASTG34KMTC
X zone 29
Y zone 18
Z zone 0
• Compressor control based on room temperature
Ts+0.5°C
Ts -1.5 °C
Ts-0.5 °C
Ts+1.5 °C
X zone
J zone
Y zone
Room temperature drops
Room temperature rises
Ts: Set temperature
1-4. Compressor frequency at normal start-up
¢
Model: AOTG30KMTC
Compressor frequency soon after starting is controlled as below.
Time 1 Time 2 Time 3
Time 4
Frequency I
Frequency II
Frequency III
Frequency IV
• Normal operation
Frequency (rps)
I II III IV
27 42 54 65
Time (sec)
1 2 3 4
60 120 180 240
1-3. Dry operation
- (04-3) -
1. Compressor frequency control
CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS