Project Planning With Branch Pipes - Bosch FCS‑320‑TM Series Operation Manual

Conventional Aspiration smoke detector
Limiting values
Double U‑pipe system
Ø of air sampling openings in mm
a
a
Punch diameter of the aspiration reducing film sheet
4.8.5

Project planning with branch pipes

Project planning with branch pipe are suitable for sampling points which are located distantly
from the main run of the pipe system.
Bosch Sicherheitssysteme GmbH
Min. distance FCS-320-TM – last T-fitting
Max. distance FCS-320-TM – last T-fitting
Max. branch length
Max. total pipe length per pipe system
– Pipe Ø 25 mm
– Additional pipe Ø 12 mm
Max. total pipe length per pipe system for a fan voltage
< 10.5 V
– Pipe Ø 25 mm
– Additional pipe Ø 12 mm
Max. number of air sampling openings (n) per pipe
system
Min. distance between 2 air sampling openings
Max. distance between 2 air sampling openings
Number of air sampling openings
4
4.4
Operation guide
Planning | en
2 m
20 m
12.5 m
50 m
8 x 3 m
40 m
8 x 3 m
8 units
0.1 m
4 m
8
3.0
2020.04 | 2.1 | F.01U.130.928
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