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2. HEATING OPERATION
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 3°C (6°F) than a set temperature, the compressor operation
frequency will attain to maximum performance.
* If the room temperature is some degrees higher than a set temperature,
the compressor will be stopped.
* When the room temperature is between +2.5°C (+5°F) to -3°C (-6°F) of the setting temperature,
the compressor frequency is controlled within the range shown in Table 3.
However, the maximum frequency is limited shown in Table 4 based on the fan mode.
( Table 3 : Compressor frequency range )
01-02
Minimum
frequency
Maximum
frequency
AOU09RL2
AOU12RL2
18rps
120rps
80rps
3. DRY OPERATION
The compressor frequency shall change according to the temperature, set temperature,
and room temperature variation which the room temperature sensor of the indoor unit body has
detected as shown in the Table 5.
However, after the compressor is driven, the indoor unit shall run at operation frequency of
(09 : 52 rps, 12 : 61 rps) for 60 seconds.
Ts+0.5°C (Ts+1°F)
Ts -1.5°C (Ts-3°F)
Ts -0.5°C (Ts-1°F)
Ts+1.5°C (Ts+3°F)
( Table 5 : Compressor frequency in Dry mode)
( Fig.2 : Compressor control based on room temperature )
Operating
frequency
30rps
28rps
0rps
AO09RL2
X zone
J zone
Y zone
Operating
frequency
J zone
Y zone
X zone 33rps
25rps
0rps
AO12RL2
X zone
J zone
Y zone
When the room
temperature drops
When the room
temperature rises
Indoor fan mode
Me Lo Quiet Auto
120rps
80rps
( Table 4 : Limit of maximum speed based on outdoor temperature )
Hi
AOU09RL2
AOU12RL2