Intelligent Eye Operation - Daikin SUPER MULTI NX G Series Service Manual

SiUS12-928_A

1.10 INTELLIGENT EYE Operation

Outline
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
Sensor output
(Detects activity)
Activity detection
signal
 This sensor detects motion by receiving infrared rays and displays the pulse wave output.
 A microcomputer in the indoor unit carries out a sampling every 20 msec. and if it detects 10
2. The motions (for example: in cooling)
Activity detection
signal
Target temperature
Remote controller
INTELLIGENT
EYE button
Operation
Fan speed (#1)
 When the microcomputer does not have a signal from the sensor in 20 minutes, it determines
1 In case of FAN mode, the fan speed reduces by 50 rpm.
 For dry operation, you cannot set the temperature with a remote controller, but internally the
Others
Function and Control
sampling (20msec)
High
Low
ON
OFF
cycles of the wave in one second in total (corresponding to 20 msec. x 10 = 200 msec.), it
detects activity in the room and the motion signal is ON.
within 20 min.
ON
OFF
RESET.
ON
OFF
ON
OFF
OFF
no activity in the room and operates the unit within temperature shifted from the target
temperature. (Cooling : 2°C (3.6°F) higher, Dry : 1°C (1.8°F) higher, Heating : 2°C (3.6°F) lower,
Auto : according to the operation mode at that time.)
target temperature is shifted by 1°C (1.8°F) (depending on the model).
20 min.
Set speed
Main Functions
If the sensor detects the outputs 10 times/sec.
or more, it determines movement in the room.
1sec
20 min.
Set speed
(R2821)
(R10723)
38