Bosch FCS-320-TM Operation Manual page 51

FCS-320-TM Aspirating Smoke Detector
Figure 3.16 Direction change of the duct without air baffles
1
Figure 3.17 Sound dampers in a duct
When installing a pipe system in air-conditioning ducts, the following must be observed:
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Bosch Sicherheitssysteme GmbH
1
2
2 3 4
Since the FCS-320-TM and the pipe system are located in different pressure ranges, an
air return pipe (see Figure 3.18) must be provided.
The pipe entries into the duct must be airtight.
The portion of the pipe system that is outside the duct must be sealed airtight.
Operation Guide
3 x d
min
3
5
Planning | en
1 Main speed range
2
Exceptional arrangement of the
pipe system (if distance of
3 x d cannot be observed)
min
3 Typical pipe system
arrangement
Smallest duct diameter
d
min
1 Smoke aspiration pipe
2 Air-conditioning duct
3 Main speed range
4 Sound dampers
5 Bore
F.01U.130.928 | 1.0 | 2009.11
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