Aspirating Smoke Detector
Planning | en
51
Bosch Sicherheitssysteme GmbH
Operation Guide
2018.04 | 2.0 | F.01U.130.926
U-pipe system - single-hole monitoring
1 pipe system
FCS-320-TP1
FCS-320-TT1
2 pipe systems
FCS-320-TP2
FCS-320-TT2
FAS / FCS
FAS / FCS
A
B
C
D
E
G
A
B
C
D
E
G
U-pipe system for space protection
Limiting values
Min. distance FCS-320 – T-fitting
4
m
U-pipe system
Max. distance FCS-320 – T-fitting
20
m
Max. branch length
–
With low fan voltage
–
With high fan voltage
40
m
50
m
Max. overall pipe length per pipe system (Ø 25
mm)
–
With low fan voltage
–
With high fan voltage
100
m
120
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
14
U-pipe system
Air sampling opening
Number of air sampling openings
2
4
6
8
10
12
14
Ø air sampling
opening in mm
a
A
5.2
3.6
3.4
3.2
2.5
2.5
2.0
B
-
4.0
3.4
3.2
3.0
2.5
2.0
C
-
-
3.6
3.4
3.0
2.5
2.5
D
-
-
-
3.4
3.2
3.0
2.5
E
-
-
-
-
3.2
3.0
3.0
F
-
-
-
-
-
3.2
3.0
G
-
-
-
-
-
-
3.2
a
Punch diameter of the aspiration reducing film sheet
Summary of Contents for FAS-420
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