E9 to E28 NKR Service Manual.pdf - Industrial Air

13.13.3 Sunlight Sensor
During ECONAVI operation, the sunlight sensor detects sunlight intensity coming through windows and
differentiates between sunny and cloudy or night to further optimize energy saving by adjusting the temperature.
Sunlight judgment is as following
13.13.3.1 Sunlight Intensity Reset
The sunlight intensity will to reset to zero (no sunlight condition) when
o Each time ECONAVI is activated.
o Setting temperature is changed.
o Operation mode is changed.
13.13.3.2 Judge Sunlight Intensity
Based on sunlight sensor output voltage, the sunlight intensity value will be computed and logged to sunlight
intensity database.
The sunlight sensor sensitivity could be adjusted:
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