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27
10.16 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.
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Human detection records
Records human detection (movement) result for 30 seconds and determine its activity level i.e. Hi/Lo.
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Presence / absence detection
Compares current and previous human detection result every 30 seconds to determine the presence
or absence of human.
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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.
2. Circuit Abnormal (Fix Output Lo)
a. Abnormal judgment start condition.
After ECONAVI and AUTO COMFORT Sensor unit power ON, and after pressed 70 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 at Lo level for 25 seconds.
3. Abnormal treatment
Any one of the above self-diagnosis result is abnormal
Abnormal counter +1 and ECONAVI and AUTO COMFORT Sensor power supply OFF.
After ECONAVI and AUTO COMFORT Sensor unit power is OFF for 5 seconds, Retry the ECONAVI and
AUTO COMFORT operation.
When Abnormal counter reach 4 counts, ECONAVI and AUTO COMFORT sensor abnormality is
confirmed.
(Abnormal counter is cleared when sensor power ON and maintain normal for 120 seconds and above or
Clear Abnormal counter by power reset)
Save ECONAVI and AUTO COMFORT Sensor Abnormality H59 (no Timer LED blinking).
ECONAVI & AUTO COMFORT Sensor operation OFF, but ECONAVI and AUTO COMFORT LED
maintain ON.
The unit still operate as normal.
Sensor error counter can be cleared only after power supply reset or AC Reset button on the remote
control is pressed.
Top Vi ew
90°
Angle of detection
Area of detection
7m
2m
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