Intelligent Eye Operation - Daikin CTXG09QVJUW Service Manual
Multi-split type air conditioners 2/3/4mxs-n series
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Also See for CTXG09QVJUW:
- Service manual (254 pages) ,
- Operation manual (116 pages) ,
- Engineering data (661 pages)
Table of Contents
SiUS121630EA
2.9
INTELLIGENT EYE Operation
Applicable
CTXS07LVJU
FTXS09/12/15/18/24LVJU
Models
Outline
The microcomputer detects the presence of humans in the room with a motion sensor and reduces
the capacity when there is nobody in the room in order to save electricity.
Details
1. INTELLIGENT EYE detection method
Motion sensor
output
Detection signal
from the motion
sensor
Human detection
signal
2. Motions (in cooling)
Human detection
signal
Note:
For dry operation, the target temperature is shifted internally. The temperature cannot be set with
the remote controller.
Functions and Control
Sampling (20 msec.)
High
Low
(Condition of 10 times or more output)
High
Low
ON
OFF
The motion sensor detects human motion by receiving infrared rays and sends the pulse wave
output.
The microcomputer in the indoor unit carries out a sampling every 20 msec. If the motion sensor
detects 10 times or more of the wave output in one second in total, and the High signal
continues for 3 sec., the microcomputer judges humans are in the room as the human detection
signal is ON.
within
20 min.
ON
OFF
↑
Reset
Target temperature
ON
Remote controller
Sensor button
OFF
ON
Operation
OFF
Fan speed ( )
OFF
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.)
CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series Functions
Human motion
If the detection signal (High) continues for 3 sec. or more,
3 sec.
the microcomputer judges humans are in the room.
20 min.
1 ~ 2˚C (1.8 ~ 3.6 ˚F)
Set speed
60 rpm
1 sec.
If the motion sensor detects the outputs
10 times/sec. or more, the microcomputer
judges the detection signal from the
motion sensor is High.
within
20 min.
↑
Reset
Set speed
(R24035)
within
20 min.
↑
Reset
(R23920)
53
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