Mounting / Installation; Required Space - Siemens FDOOT241-9 Technical Manual

5

Mounting / Installation

5.1

Required space

Building Technologies
Fire Safety & Security Products
Upon insertion of the detector, the detector base is stressed by compression,
tension and torsion. The fixing must thus be designed accordingly.
Detector bases must be placed flat on the ceiling.
Avoid mounting on steps, concrete ribs, etc.
Mount the detector base directly on the recessed box, or together with a base
attachment, when the feeding main is surface-mounted and the cable diameter
is more than 6 mm.
There must be at least 50 cm below and at least 2 cm of free space to the
sides of the detector, so that the detector can be extracted or tested with the
detector exchanger and tester.
Contorted detector bases complicate or even impede the insertion of the
detectors with the detector exchanger.
*
*
Minimum spacing when installing detector bases
*
* = min. 2 cm
Mounting / Installation
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16.04.2009