Intelligent Eye - Daikin F-Series Service Manual

SiEN12-710A
1.9

INTELLIGENT EYE

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 no human in the room in order to
save electricity.
Processing
1. Detection method by INTELLIGENT EYE
Sensor output
(Human motion)
Human detection
signal
" This sensor detects human motion by receiving infrared rays and displays the pulse wave
" A microcomputer in an indoor unit carries out a sampling every 20 msec. and if it detects 10
2. The motions (for example: in cooling)
Human detection
signal
Cooling Set temp. + 2°C
Heating Set temp. - 2°C
Compressor
speed
Remote control
INTELLIGENT
EYE button
" When a microcomputer doesn't have a signal from the sensor in 20 minutes, it judges that
H1 In case of Fan mode, the fan speed reduces by 50 rpm.
Function and Control
sampling (20msec)
High
Low
ON
OFF
output.
cycles of the wave in one second in total (corresponding to 20msec.× 10 = 200msec.), it
judges human is in the room as the motion signal is ON.
within 20
minutes.
ON
OFF
RESET.
Set temp.
MaxHz
MinHz
0Hz
ON
OFF
ON
Operation
OFF
Set speed
Fan speed (H1)
OFF
nobody is in the room and operating the unit in temperature shifted 2°C from the set
temperature. (Cooling/Dry : 2°C higher, Heating : 2°C lower and Auto : according to the
operation mode at that time.)
20 min.
40 min.
Frequency at set temp. + 2°C
The lower limit by detecting
human.
(Prohibition of thermostat-off)
Set speed - 50 rpm
If the sensor detects the outputs 10 times/sec.
or more, it judges humans exist.
1sec
20 min.
in case of
thermostat-off
Set speed
Main Functions
(R2821)
(R7117)
33