Siemens Cerberus DLO1191 Manual page 37

Linear smoke detector
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6.2
Mechanical adjustment
Mirror
with backsight
Locking screw
Siemens Building T
echnologies
Cerberus Division
Install the alignment device on the detector.
The mirror with backsight and the foresight must be firmly mounted to be free from play!
Unfasten the locking screw.
Align the detector lens to the reflector.
The detector lens can be adjusted with the knurled screws.
Rough adjustment via backsight and foresight so that the target (reflector) and the fore-
sight opening are aligned with the reticule. Attaching a pocket torch to the reflector side
or illuminating the reflector with a spotlight simplifies the rough adjustment procedure.
Switch on the detection line.
Connect the adjustment unit to the detector.
Attention: At first use insert a new battery!
Switch the adjustment unit to «ON» and «AUTO-RANGE». The correct range will be
measured automatically.
When the mechanical adjustment is correct, a signal > 2 should be available on the ad-
justment unit. This signal changes strongly when the knurled screw is turned.
Remove the aiming device.
Knurled screw
for vertical adjustment
Fig. 34 Mount the aiming device and align the detector to the reflector
Eye
Foresight
Knurled screw
for horizontal adjustment
Locking screw
Reflector
33
e1276e
09.2000

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