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Aspirating Smoke Detector
Quadruple U-pipe
system
∅ air sampling
opening in mm
a
Punch diameter of the aspiration reducing film sheet
See also
–
–
–
4.7
Pipe Planning for Single-Hole Monitoring
Depending on the pipe configuration, the following system parameters are used to detect a
single air sampling opening or a particular number of obstructed air sampling openings.
Planning is to be carried out according to regulations specified in Standard Pipe Planning.
Additionally, the following limiting values and opening diameters must be observed. An
additional accessory (air filter, condensate separator etc.) can have an effect on the maximum
pipe length.
I-pipe system - single-hole monitoring
1 pipe system FCS-320-
TP1 FCS-320-TT1
2 pipe systems FCS-320-
TP2 FCS-320-TT2
Limiting values
Min. distance FCS-320– 1st air sampling opening
I-pipe system
Max. distance FCS-320 – 1st air sampling opening
Max. distance: 1st air sampling opening – last air sampling opening
–
–
Max. overall pipe length (Ø 25 mm)
–
–
Min. distance between 2 air sampling openings
Max. distance between 2 air sampling openings
Max. number of air sampling openings (n) per pipe system
Bosch Sicherheitssysteme GmbH
Air sampling opening Number of air sampling openings
A
a
B
C
D
Defining the Response Sensitivity, page 37
Planning without filter, page 123
Planning with air filter, page 125
FAS / FCS
I-pipe system for space protection
With low fan voltage
With high fan voltage
With low fan voltage
With high fan voltage
8
3.20
-
-
-
A
C
D
B
A
B
C
D
Operation Guide
Planning | en
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24
2.5
2.0
3.0
2.5
-
3.0
-
-
E
F
I
J
E
F
I
J
2018.04 | 2.0 | F.01U.130.926
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2.0
2.0
2.0
2.5
4 m
20 m
40 m
60 m
60 m
80 m
4 m
12 m
10
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