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Mounting
the device is not limited to a mounting height of 3 m.
To reduce the risk of a false alarm being triggered,
the device must not be exposed to incident light
e.g. caused by sunlight or car headlights, nor
must it be mounted in the vicinity of a heat source
(above a radiator, for example).
The eectiveness of the detection procedure de-
pends on the temperature dierence between
the moving object and the relevant background.
The detection range should be aligned to the
floor, but not directly to a window, radiator or
other heat source.
In general, it is not possible to detect motion
through glass. False alarms caused by moving
heat sources behind a window cannot be
excluded by 100 %.
5.2 Screw mounting
Please read this entire section before starting to
mount the device.
You easily can mount the presence sensor to the ceiling
using the supplied screws and plugs. To do this, please
proceed as follows:
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