Bosch FCS-320-TP2 - Page 44

44 en | Planning Aspirating Smoke Detector
2018.04 | 2.0 | F.01U.130.926 Operation Guide Bosch Sicherheitssysteme GmbH
Limiting values Min. distance: FCS-320 – 1st air sampling opening 4m
I-pipe system Max. distance: FCS-320 – 1st air sampling opening 20m
Max. distance: 1st air sampling opening – last air sampling opening
– With low fan voltage
– With high fan voltage
56m
80 m
Max. overall pipe length per pipe system (Ø 25mm)
– With low fan voltage
– With high fan voltage
76m
100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 13
I-pipe system Air sampling
opening
Number of air sampling openings
1 2 3 4 5 6 7 8 9 10 11 12 13
∅ air sampling
opening in
mm
a
A 7.0 6.0 5.2 4.6 4.2 3.8 3.6 3.4 3.0 3.0 2.5 2.5 2.5
B 6.8 5.2 4.6 4.2 3.8 3.6 3.4 3.0 3.0 2.5 2.5 2.5
C 5.6 4.6 4.4 4.0 3.8 3.4 3.2 3.0 3.0 3.0 2.5
D 5.0 4.4 4.0 3.8 3.4 3.4 3.0 3.0 3.0 2.5
E 4.4 4.2 3.8 3.6 3.6 3.4 3.0 3.0 3.0
F 4.2 3.8 3.8 3.6 3.4 3.4 3.0 3.0
G 4.0 3.8 3.6 3.6 3.4 3.2 3.0
H 4.0 3.8 3.6 3.4 3.2 3.0
I 3.8 3.6 3.6 3.2 3.2
J 3.8 3.8 3.2 3.2
K 3.8 3.8 3.4
L 4.0 3.8
M 4.0
a
Punch diameter of the aspiration reducing film sheet