Bosch FAS-420-TT2 - Page 42

42 en | Planning Aspiration smoke detector LSN improved
2020.04 | 6.1 | F.01U.029.275 Operation guide Bosch Sicherheitssysteme GmbH
Number of air sampling openings
Pipe
shape
U
Fans
1 2 3 4 5 6 7 8 9 10 11 12 … 32
≥9 200 200 200 200 200 200 200 200 200 200 200 200
4 x U (1
DM)
6.9
≥9 300 300 300 300 300 300 300 300 300 300 300 300 300
With water separator
Number of air sampling openings
Pipe
shape
U
Fans
1 2 3 4 5 6 7 8 9 10 11 12 … 32
I 6.9 60 60 60 60 60 60 60 l [m]
≥9 80 80 80 80 80 80 80 80 80 80
U 6.9 110 110 110 110 110 110 110 110 110 110 110 110
≥9 110 110 110 110 110 110 110 110 110 110 110 110
M 6.9 110 110 110 110 110 110 110 110 110 110 110 110
≥9 160 160 160 160 160 160 160 160 160 160 160 160
2 x U 6.9 140 140 140 140 140 140 140 140 140 140 140 140
≥9 160 160 160 160 160 160 160 160 160 160 160 160
With detonation safety barrier
Number of air sampling openings
Pipe
shape
U
Fans
1 2 3 4 5 6 7 8 9 10 11 12 … 32
I 6.9 46 46 46 46 38 l [m]
≥9 68 68 68 68 68 68
U 6.9 60 60 60 60 60 60
≥9 60 60 60 60 60 60 60 60
M 6.9 80 80 80 80 80 80 70 70 70
≥9 120 120 120 120 120 120 120 120 120
2 x U 6.9 80 80 80 80 80 80 80 80
≥9 100 100 100 100 100 100 100 100
Results
The following modules can be used with the relevant settings for class B or A:
– 0.015% LT/m (0.05% LT/m) module – with a sensitivity of min. 0.12% LT/m (0.4% LT/m)
– 0.1% LT/m (0.25% LT/m) module – with a sensitivity of min. 0.2% LT/m (0.5% LT/m)
– 0.5% LT/m (0.8% LT/m) module – with setting 0.5% LT/m (0.8% LT/m)
System parameters possible:
– I-pipe system
9V fan voltage, max. 80m total pipe length for U-pipe system