Fujitsu ASU9RL - Outdoor Unit Parts - General; Outdoor Unit Exterior Panels and Protection; Outdoor Unit Cabinet and Mounting Parts; Outdoor Unit Fan and Airflow Parts

2. HEATING OPERATION
2-1 HEATING CAPACITY CONTROL
A sensor (room temperature thermistor) built in the indoor unit body will usually perceive
difference or variation between a set temperature and present room temperature, and
controls the operation frequency of the compressor.
* If the room temperature is lower by 6
°F(3°C) than a set temperature, the compressor operation
frequency will attain to maximum performance.
* If the room temperature is higher 5
°F(2.5°C) than a set temperatire, the compressor will be
stopped.
* When the room temperature is between
+5°F(+2.5°C) to -6°F(-3°C) of the setting temperature,
the compressor frequency is controlled within the range shown in Table2.
However, the maximum frequency is limited in the range shown in Figure 2 based on the
fan speed mode and the outdoor temperature.
( Table 2 : Compressor Frequency Range )
( Fig.2 : Limit of Maximum Frequency based on Outdoor Temperature )
* The room temperature is controlled 4°F(2°C) higher than the setting temperature for 60 minutes
after starting the operation.
After 60 minutes, it is controlled based on the normal setting temperature.
05-02
minimum
frequency
maximum
frequency
ASU9RL 22Hz 99Hz
ASU12RL
18Hz 130Hz
Hi Me+ Lo Quiet
AA zone
99Hz 99Hz 79Hz 70Hz
A zone
99Hz 99Hz 79Hz 70Hz
B zone
99Hz 99Hz 79Hz 58Hz
9RL
C zone
AA zone
A zone
B zone
C zone
99Hz 99Hz 79Hz 49Hz
130Hz 130Hz 80Hz 64Hz
130Hz 130Hz 80Hz 64Hz
130Hz 130Hz 80Hz 51Hz
130Hz 130Hz
Me
90Hz
90Hz
90Hz
90Hz
105Hz
105Hz
105Hz
105Hz 80Hz 42Hz
12RL
Outside air Outside air
temperature temperature
66°F
(19°C)
C zone
B zone
A zone
AA zone
63°F
(17°C)
57°F
(14°C)
53°F
(12°C)
45°F
(7°C)
41°F
(5°C)