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POWLI221 EN
Copyright © 2016 VARO P a g e | 3 www.varo.com
6.4 SENS. adjustment
The sensitivity adjustment may be adjusted to compensate for seasonal variations in
temperature and to reduce unwanted triggering. The optimum sensitivity can be achieved
by setting the SENS. control knob initially to its mid-point and then adjusting the control
knob clockwise to increase (up to 12 meters) the detecting distance or anti-clockwise to
decrease (down to 3 meters) the detecting distance.
7 THE FIELD OF DETECTION
The field of detection of the infrared sensor can be adjusted 30 degree in horizontal
direction and 30 degree in vertical direction. By means of horizontal adjustment, the
permanent 180° field of detection can be infinitely directed to the right or left. By
means of vertical adjustment the detection range can be reduced or expanded. This
way any false detections caused by movements from neighbours and from the street
are excluded.
The best detection is obtained by approaching the field of detection perpendicular to
its axis.
If the field of detection is approaching the direction of its axis, the infrared detector
will, in some cases, respond later.
8 POSSIBLE PROBLEMS
Ventilators, such as the discharge from a vapour cap or dryer (hot air movement) can
cause the lamp to switch on when it is not required to do so.
Passing cars (warm engines) can also cause your lamp to switch on.
Nearby trees and bushes, sudden changes in temperature and gusts of wind can
also cause the lamp to switch on.
If the lamp has been placed under a roof or under trees, then the lamp can also burn
during daylight hours.
If your lamp does not work then the bulb or fuse could be defective or there may have
been a failure in the electrical circuit.
If the temperature difference between the object to be detected and surrounding area
is too small (in the summer for example), then your lamp will react later. The range of
detection is then 10 meters instead of 12 meters for example.
If the electromagnetic interferences are strong enough (4KV electrostatic discharge,
3V/m electromagnetic HF-field and 1 KV electrical fast transient burst), then the lamp
may turn on unintentionally.
9 TECHNICAL DATA
Type
POWLI221
Power
10W
Voltage/frequency
220V 240V ~ 50Hz
Floodlight facade material
tempered glass
Waterproof protection grade
IP44
High power LED bulb
3


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