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13.10 Auto Restart Control
When the power supply is cut off during the operation of air conditioner, the compressor will re-operate within
three to four minutes (there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be
selected randomly) after power supply resumes.
This type of control is not applicable during ON/OFF Timer setting.
13.11 Indication Panel
LED POWER TIMER QUIET POWERFUL AUTO COMFORT ECONAVI
Color Green Orange Orange Orange Green Green
Light ON Operation ON Timer Setting ON Quiet Mode ON Powerful Mode ON Auto Comfort ON Econavi Mode ON
Light OFF Operation OFF Timer Setting OFF Quiet Mode OFF Powerful Mode OFF Auto Comfort OFF Econavi Mode OFF
Note:
If POWER LED is blinking, the possible operation of the unit are Hot Start, during Deice operation, operation
mode judgment, or ON timer sampling.
If Timer LED is blinking, there is an abnormality operation occurs.
13.12 ECONAVI and AUTO COMFORT Operation
A Pyoelectric infrared sensor is used to detect injection strength variation of infrared at setting area to determine
the presence or absence of human and its activity level. Human detection area is shown in figure below:
ECONAVI and AUTO COMFORT operation – Human presence/absence detection outlined flow
Process infrared sensor output signal
Human detection (movement) every 3 seconds.
▼
Human detection records
Records human detection (movement) result for 30 seconds and determine its activity level i.e. Hi/Lo.
▼
Presence / absence detection
Compares current and previous human detection result every 30 seconds to determine the presence
or absence of human.
▼
Presence / absence determination
Based on human presence / absence detection, if human presence detection showed within
30 minutes, it is recognised that human is present. If human absence detection showed continuously
for more than 30 minutes, it is recognised that no human is present.
ECONAVI and AUTO COMFORT Sensor abnormality detection
1. Connector pulled out (disconnected), Wire cut Abnormality (Fix Output at Hi)
a. Abnormal judgment start condition.
Start from ECONAVI and AUTO COMFORT Sensor power ON, and end after 30 seconds.
b. Control content.
Judge ECONAVI and AUTO COMFORT Sensor power level every 100ms.
c. Abnormal Judgment condition.
When ECONAVI and AUTO COMFORT Sensor has continues for 25 seconds Hi level.
Top Vi e w
90°
Angle of detection
Area of detection
7m
2m
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