Bosch FCS-320-TP2 - Page 48

48 en | Planning Aspirating Smoke Detector
2018.04 | 2.0 | F.01U.130.926 Operation Guide Bosch Sicherheitssysteme GmbH
Double U-pipe
system
Air sampling opening Number of air sampling openings
4 8 12 16 20 24
∅ air sampling
opening in mm
a
A 4.0 3.0 2.5 2.0 2.0 2.0
B - 3.4 3.0 2.5 2.0 2.0
C - - 3.0 3.0 2.5 2.0
D - - - 3.2 2.5 2.5
E - - - - 3.6 2.5
F - - - - - 3.6
a
Punch diameter of the aspiration reducing film sheet
Quadruple U-pipe system for space protection
1 pipe system
FCS-320-TP1
FCS-320-TT1
A B C D
FAS / FCS
Quadruple U-pipe system for space protection
Limiting values Min. distance: FCS-320 – last T-fitting 4m
Double U-pipe Max. distance: FCS-320 – last T-fitting 20 m
Max. branch length
– With high fan voltage 35m
Max. overall pipe length per pipe system (Ø 25mm)
– With high fan voltage 300m
Min. distance between 2 air sampling openings 4m
Max. distance between 2 air sampling openings 12m
Max. number of air sampling openings (n) per pipe system 32