FAS-420-TM Aspirating Smoke Detector
Planning | en
41
Bosch Sicherheitssysteme GmbH
Operation Guide
F.01U.088.878 | 4.1 | 2010.11
3.6.3
Planning with Air Filter
Without any other pipe accessories
Pipe length in [m]
With water separator
Pipe length in [m]
Results for class B
Detector module with a sensitivity of 0.5% LT/m or 0.6% LT/m.
System parameters possible:
–
I-pipe system
–
≥
9 V fan voltage, max. 40 m total pipe length
–
U-pipe system
–
≥
9 V fan voltage, max. 50 m total pipe length
–
M-pipe system
–
≥
9 V fan voltage, max. 50 m total pipe length
–
Double U-pipe system
–
≥
9 V fan voltage, max. 50 m total pipe length
Sensitivity
(% LT/m)
Number of openings
1
2
3
4
5
6
7
8
0.5
A
A
B
B
B
C
C
C
0.6
A
B
B
B
C
C
C
C
0.7
A
B
B
C
C
C
C
C
0.8
A
B
B
C
C
C
C
C
0.9
A
B
C
C
C
C
C
C
1.0
A
B
C
C
C
C
C
C
1.1
B
B
C
C
C
C
C
1.2
B
B
C
C
C
C
1.3
B
C
C
C
C
C
1.4
B
C
C
C
C
1.5
B
C
C
C
C
1.6
B
C
C
C
C
1.7
B
C
C
C
1.8
B
C
C
C
1.9
B
C
C
C
2.0
B
C
C
C
Pipe shape
U
Fan
[V]
1
2
3
4
5
6
7
8
I
≥
9
40
40
40
40
40
U
≥
9
50
50
50
50
50
50
50
50
M
≥
9
50
50
50
50
50
50
50
50
Double U
≥
9
50
50
50
50
50
50
50
50
Pipe shape
U
Fan
[V]
1
2
3
4
5
6
7
8
I
≥
9
40
40
40
U
≥
9
50
50
50
50
50
50
M
≥
9
50
50
50
50
50
50
Double U
≥
9
50
50
50
50
50
50
50
50
Содержание FAS-420-TM
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