Intelligent Eye Operation - Daikin FTXM-V Series Service Manual

Main Functions

1.12 INTELLIGENT EYE Operation

Applicable
FTXM18/24VVJU
Models
Outline
This function 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
 The motion sensor detects human motion by receiving infrared rays and sends the pulse wave
 The microcomputer in the indoor unit carries out a sampling every 20 msec. If the motion sensor
2. Motions (in cooling)
Human detection
signal
Target temperature
Remote controller
Sensor button
Operation
Fan speed (#)
 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
40
Sampling (20 msec.)
High
Motion sensor
Low
output
(Condition of 10 times or more output)
Detection signal
High
from the motion
Low
sensor
ON
Human detection
signal
OFF
output.
detects 10 times or more of the wave output in one second in total, and the High signal
continues for 2 sec., the microcomputer judges humans are in the room as the human detection
signal is ON.
within
20 min.
ON
OFF
↑
Reset
ON
OFF
ON
OFF
OFF
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)
Human motion
2 sec. If the detection signal (High) continues for 2 sec. or more,
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
Part 4 Functions and Control
SiUS042113E
R4003811
within
20 min.
↑
Reset
(R23920)