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SiUS121827E RA Indoor Unit Functions
Part 4 Functions and Control 71
Note(s)
2. Motions (in cooling)
In FAN operation, the fan speed is reduced by 60 rpm when no one is in the area.
When there is no signal from the motion sensor in 20 minutes, the microcomputer judges that
nobody is in the room and operates the unit at a temperature shifted from the target
temperature. (Cooling/Dry: 1 ~ 2°C (1.8 ~ 3.6°F) higher, Heating: 2°C (3.6°F) lower, Auto:
according to the operation mode at that time)
3. Airflow direction in 2-area INTELLIGENT EYE operation
Detection method: The opposite area of detected area is set as the target direction.
1. Human detection signal ON in both areas A and B: Shift the airflow direction to area B (left side)
2. Human detection signal ON in area A: Shift the airflow direction to area B (left side)
3. Human detection signal ON in area B: Shift the airflow direction to area A (right side)
4. Human detection signal OFF in both areas A and B: No change
∗ When the human detection signal is OFF for 20 minutes in both areas A and B, the unit starts
energy saving operation.
For dry operation, the temperature cannot be set with a remote controller, but the target
temperature is shifted internally.
ON
OFF
Reset Reset Reset
20 min.
1 ~ 2°C (1.8 ~ 3.6 °F)
ON
OFF
ON
OFF
Operation
OFF
Fan speed (#)
Set speed Set speed
Target temperature
(R23920)
Remote controller
Sensor button
Human detection
signal
↑↑
60 rpm
↑
within
20 min.
within
20 min.
within
20 min.
Top view
Wall
Indoor unit
Area A
Area B
Left
Right
Human
(R3853)
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