Bosch FCS-320-TP2 - Page 47

Aspirating Smoke Detector Planning | en 47
Bosch Sicherheitssysteme GmbH Operation Guide 2018.04 | 2.0 | F.01U.130.926
M-pipe system Air sampling opening Number of air sampling openings
3 6 9 12 15 18 21
∅ air sampling
opening in mm
a
A 4.4 3.4 3.0 2.5 2.5 2.0 2.0
B 3.6 3.0 2.5 2.5 2.5 2.0
C 3.2 3.2 2.5 2.5 2.0
D 3.2 3.0 2.5 2.5
E 3.2 3.0 2.5
F 3.2 3.2
G 3.4
a
Punch diameter of the aspiration reducing film sheet
Double U-pipe system for space protection
1 pipe system
FCS-320-TP1
FCS-320-TT1
2 pipe systems
FCS-320-TP2
FCS-320-TT2
FAS / FCS
FAS / FCS
F
F
B
B
A
A
Double 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 low fan voltage
– With high fan voltage
40m
45m
Max. overall pipe length per pipe system (Ø 25mm)
– With low fan voltage
– With high fan voltage
180m
200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 24