GEZE hold-open system FA GC 150
33
Wiring diagram
5.2.2 Ceiling-mounted smoke detector ORS 142
The ceiling-mounted detector ORS 142 is made up of the smoke detector ORS 142 and the base ORS 143 A.
Ceiling-mounted smoke detector kit ORS 142 with
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2 × smoke detector ORS 142
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2 × base ORS 143 A
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1 × magnetic holder
ID 141715
Ceiling-mounted smoke detector ORS 142 with
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Smoke detector ORS 142
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Base ORS 143 A
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1 × magnetic holder
ID 091273
Ceiling-mounted smoke detector ORS 142 with line monitoring
The general construction technique permit requires line monitoring to the ceiling-mounted detectors.
Line monitoring is active if jumper J3 of the lintel-mounted smoke switch to the measuring chamber is set (2-3 fac-
tory setting, see chap. 4.4).
X
Fasten the magnetic holder in the base between terminal 5 and 6.
Connection of the first ceiling-mounted detector must not be executed as a parallel branch line (supply and return
line in the same cable)
Terminal box
AS Ceiling-mounted detector (additional sensor)
GND Reference potential (ground)
Fig. 5.2.2.1
German
institute for
construction
technology