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.
minimum
frequency
maximum
frequency
ASU15RLQ
Outside air Outside air
temperature temperature
66°F(19°C)
C zone
63°F(17°C)
57°F(14°C)
B zone
54°F(12°C)
A zone
Hi Me Lo Quiet
* When the room temperature is between +4°F(+2°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
ASU18RLQ 18Hz 119Hz
18Hz 119Hz
A zone 119Hz 90Hz 70Hz 58Hz
B zone 119Hz 90Hz 70Hz 58Hz
15/18RLQ
C zone 119Hz 90Hz 70Hz 58Hz
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