Bosch FAS-420-TM - Planning Limits

38 en | Planning FAS-420-TM Aspirating Smoke Detector
F.01U.088.878 | 4.1 | 2010.11 Operation Guide Bosch Sicherheitssysteme GmbH
3.5 Planning Limits
The following limit values must always be observed for the FAS-420-TM series:
The maximum total monitoring area of the FAS-420-TM and the maximum total pipe length
depend on the plan selected (see Section 3.6 Standard Pipe Planning).
Limiting values Maximum monitoring area per air sampling opening Corresponds to the maximum
monitoring range for point detectors,
in line with applicable national norms.
Maximum number of air sampling openings per pipe
system
1
8
Maximum number of air sampling openings per pipe
system with fire source identification
5
Maximum pipe length per pipe system
2
–Pipe ∅ 25 mm 50 m
– Additional pipe ∅ 12 mm 8 x 3 m
Maximum total monitoring area per pipe system 400 m²
Minimum pipe length between 2 air sampling
openings
0.1 m
Minimum pipe length between 2 air sampling
openings with fire source identification
3 m
Minimum pipe length between 2 air sampling
openings
10 m
1
Plans not contained in the operation guide must be requested
2
Depending on the selected plan, some restricted values may apply
NOTICE!
The planning limits specified in this operation guide may be restricted in line with country-
specific regulations.