2-Area Intelligent Eye Operation - Daikin FTXS20G2V1B Service Manual

Main Functions
1.9

2-Area INTELLIGENT EYE Operation

Outline For FTK(X)S Model
The following functions can be performed by a motion sensor (INTELLIGENT EYE).
1. Reduction of the capacity when there is nobody in the room in order to save electricity
2. Dividing the room into plural areas and detecting existence of humans in each area.
Detail
1. Detection method of INTELLIGENT EYE
Sensor output
Detection signal
from the sensor
(Human motion)
Human detection
signal
„ This sensor detects human motion by receiving infrared rays and displays the pulse wave
„ The microcomputer in the indoor unit carries out a sampling every 20 msec. and if it detects
„ 2-area INTELLIGENT EYE sensor is divided into 2 areas and detects humans in each area.
„ Image of 2-area INTELLIGENT EYE
39
(energy saving operation)
Moving the airflow direction to the area with no human automatically to avoid direct airflow
on humans.
sampling (20 msec)
High
Low
(Condition of 10 times or more output)
ON
OFF
(Continue 3 sec.)
ON
OFF
output.
10 cycles of the wave in one second in total (corresponding to 20 msec.× 10 = 200 msec.),
and when the ON signal continues 3 sec., it judges human is in the room as the motion
signal is ON
1 sec
If the detection signal (ON) continues 3 sec. or more,
it judges humans exist.
Indoor unit
Area B Area A
· A microcomputer judges human existence by
the sensor signal from each area A and B.
SiENBE04-808_A
If the sensor detects the outputs 10 times/sec.
or more, it judges humans exist.
Wall
Top view
(R12276)
Function and Control
(R2821)