GEV 001237 Montageanleitung Seite 9

Important
A motion detector works following the principle of passive-infrared-
technique. With a PIR-sensor it detects moving sources of heat within
detection range.
before mounting, please observe the following remarks.
Mounting height
Higer than recommended
Lower than recommended
Ambient temperature
All indicated factors are based on an ambient temperature
of ca. 18 °C
Temperature higher than 18 °C
Temperature lower than 18 °C
HF-Radiation
from direct vicinity, p.e. of wireless installations, might lead to incorrent
switching of the motion detector. This is, however, not a defect of the
detector.
Adjusting the detection range
Movement towards the sensor
Movement parallel to sensor
range increases
range decreases
range decreases
range increases
range decreases
range increases
Fault analysis – practical tips
Fault Cause
Movement-detec- - frontal movement
tor switches on too
late
- movement-detector
Maximum range is
- temperature difference
not attained
between surroundings
and source of heat is
too small
Lamp shines - constant movement of heat:
constantly or the
The movement-detector is mounted over a
lights switch on
source of heat, e.g., a radiator.
undesirably
Influence of sunlight, either directly or indirectly.
- defective fuse
The lights are not
- defective light bulb
being switched on
- observe minimum
load of 40 w.
Remedy
- mount higher
- set the range
regulator
- mount higher
- set the range
regulator
- change the fuse