Siemens OOH740 - Detector Base Installation; Detector Base DB72 x and DB110

Mounting / Installation
Detector base DB72x and detector base (collective) DB110
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Building Technologies
A6V10305793_m_en_
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Fire Safety
2016-02-15
5.2 Detector base DB72x and detector base (collective)
DB110
● Install the detector base DB72x or DB110 directly on the ceiling.
● Insert the cables into the detector base. You have the option of using the
following types of line:
– Recess-mounted cable entry
– Surface-mounted cable entry (cable diameter max. 8 mm)
NOTICE
Incorrect laying of cables
Damage to cables and difficulties when installing the point detector
● The cable loops must be placed flat in the base bottom.
●
The bare length of the cables is approximately
8…10
mm.
1 Minimum Ø 40 mm 2 Maximum Ø 90 mm
Please note the limitations
when using the detector base DB721D.
See chapter 'Connection diagram, collective [➙ 87]'.
In the case of the detector bases DB721 and DB722, the
C
-
NET
detector line is
not interrupted even if a point detector is not used.
Only use the detector ba
se DB110 on collective detector lines.
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