42
en | Planning
FAS-420-TM Aspirating Smoke Detector
F.01U.088.878 | 4.1 | 2010.11
Operation Guide
Bosch Sicherheitssysteme GmbH
3.6.4
Opening Diameter
I-pipe system
U-pipe system
1 pipe system
FAS-420-TM
FAS-420-TM-R
FAS-420-TM-RVB
Figure 3.3
I-pipe system
I-pipe system
Air sampling
opening
Number of air sampling openings
1
2
3
4
5
Ø of air sampling
openings in mm
a
A
6.8
5.0
4.2
3.4
3.0
B
-
5.0
4.2
3.6
3.2
C
-
-
4.4
3.8
3.4
D
-
-
-
4.0
3.6
E
-
-
-
-
4.4
a
Punch diameter of the aspiration reducing film sheet
1 pipe system
FAS-420-TM
FAS-420-TM-R
FAS-420-TM-RVB
Figure 3.4
U-pipe system
U-pipe system
Air sampling
opening
Number of air sampling openings
2
4
6
8
Ø of air sampling
openings in mm
a
A
6.0
4.2
3.4
3.0
B
-
4.6
3.6
3.0
C
-
-
4.4
3.6
D
-
-
-
4.0
a
Punch diameter of the aspiration reducing film sheet
A
B
C
D
E
FAS / FCS
A
B
C
D
FAS / FCS
Summary of Contents for FAS-420-TM
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