Bosch FAS-420-TM - Page 43

FAS-420-TM Aspirating Smoke Detector Planning | en 43
Bosch Sicherheitssysteme GmbH Operation Guide F.01U.088.878 | 4.1 | 2010.11
M-pipe system
Double U-pipe system
1 pipe system
FAS-420-TM
FAS-420-TM-R
FAS-420-TM-RVB
Figure 3.5 M-pipe system
M-pipe system Air sampling
opening
Number of air sampling openings
3 6
Ø of air sampling
openings in mm
a
A5.0 3.6
B- 4.0
a
Punch diameter of the aspiration reducing film sheet
1 pipe system
FAS-420-TM
FAS-420-TM-R
FAS-420-TM-RVB
Figure 3.6 Double U-pipe system
Double U-pipe system Air sampling
opening
Number of air sampling openings
48
Ø of air sampling
openings in mm
a
A4.4 3.0
B- 3.8
a
Punch diameter of the aspiration reducing film sheet
A
B
FAS / FCS
BA
FAS / FCS