Wieland gesis KNX P CO Bedienungsanleitung Seite 25

3.2 Light measurement
Switching
With indirect lighting, the artificial light at the detector's mounting location
should not exceed 2000 Lux (Brightness value > 2000 Lux).
Constant light control mode
The detector must be positioned so that it only receives artificial light that it
controls itself. Artificial light controlled by other detectors or manually ope-
rated work lights affect the brightness measurement of the detector. Direct
artificial light on the detector should be avoided
3.3 Connection
A concealed housing should be used for flush-mounted fitting of the gesis
KNX P CO. A surface frame for surface mounting is optionally available.
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The detector measures artificial
light and daylight reflected directly
beneath the detector (beam width
approx. ± 30°).
The mounting location is used as
the reference for the lighting le-
vels.
GB
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