Indoor Unit Control (RA Models) SiBE18-821_C
114 Function
7.12 INTELLIGENT EYE Operation
Outline Wall Mounted Type E-Series, J-Series, F-Series, G-Series 60/71 Class
This is the function that detects existence of humans in the room by a human motion sensor
(INTELLIGENT EYE) and reduces the capacity when there is nobody in the room in order to
save electricity.
Detail 1. Detection method by INTELLIGENT EYE
îš„
This sensor detects human motion by receiving infrared rays and displays the pulse wave
output.
îš„
A microcomputer in an indoor unit carries out a sampling every 20 msec. and if it detects 10
cycles of the wave in 1 second in total (corresponding to 20 msec. × 10 = 200 msec.), it
judges human is in the room as the motion signal is ON.
2. The motions (for example: in cooling)
îš„
When a microcomputer does not have a signal from the sensor in 20 minutes, it judges that
nobody is in the room and operates the unit in temperature shifted from the target
temperature. (Cooling / Dry : 2°C higher, Heating : 2°C lower, Auto : according to the
operation mode at that time.)
★
1 In case of FAN mode, the fan speed reduces by 60 rpm.
Others
îš„
For dry operation, you cannot set the temperature with a remote controller, but internally the
target temperature is shifted by 2°C.
1 sec.
sampling (20 msec.)
High
Low
ON
OFF
Sensor output
(Human motion)
(R2821)
Human detection
signal
If the sensor detects the outputs
10 times/sec. or more, it judges
humans exist.
ON
OFF
RESET.
20 min. 20 min.within 20 min.
ON
OFF
ON
OFF
Operation
OFF
Fan speed (+1)
Set speed Set speed
Target temperature
(R10723)
Remote controller
INTELLIGENT
EYE button
Human detection
signal
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