Bosch FAS-420-TT2 - Page 61

Aspiration smoke detector LSN improved Planning | en 61
Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 6.1 | F.01U.029.275
Sampling aperture type Ax-x.x
A 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0
B 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0
C 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0
D 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0
E 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0
F 2.5 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0
G 3.0 2.5 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0
H 3.4 3.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0
I 3.6 3.2 2.5 2.0 2.0 2.0 2.0 2.0 2.0 2.0
J 7.0- 3.6 3.4 2.5 2.5 2.0 2.0 2.0 2.0 2.0
K 7.0 6.8 3.6 3.2 2.5 2.0 2.0 2.0 2.0 2.0
L a 7.0 6.8 3.2 3.4 2.5 2.0 2.0 2.0 2.0
M - a 7.0 6.8 3.6 3.2 2.5 2.0 2.0 2.0
N - - a 7.0 6.0 3.6 3.0 2.5 2.0 2.0
O - - - a 7.0 6.0 3.4 3.0 2.5 2.0
P - - - - a 7.0 6.0 3.4 3.0 2.5
Q - - - - - a 7.0 5.6 3.4 2.5
R - - - - - - a 7.0 5.2 3.4
S - - - - - - - a 7.0 5.0
T - - - - - - - - a 7.0
U - - - - - - - - - a
a = Acceleration openings = 7.0 mm
U-Pipe
FAS/FCS
* acceleration aperture
Number of apertures
2 4 6 8 10 12 14 16 18 20