Bosch FAS-420-TT2 - Page 65

Aspiration smoke detector LSN improved Planning | en 65
Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 6.1 | F.01U.029.275
O - - a 7.0 3.6 3.6 4.0 2.5 2.5 2.5
P - - - - 7.0 3.6 5.0 2.5 2.5 2.5
Q - - - - a 6.0 7.0 2.5 2.5 2.5
R - - - - - a a 3.0 2.5 2.5
S - - - - - - - 6.0 3.0 2.5
T - - - - - - - a 6.0 3.0
U - - - - - - - - a 6.0
V a
a = Acceleration openings = 7.0 mm
Double-U-Pipe
FAS/FCS
* acceleration aperture
Number of apertures
4 8 12 16 20 24 28 32 36 40 44 48 52
Sampling aperture type Ax-x.x
A 7.0 7.0 6.8 4.6 3.0 2.5 2.5 2.0 2.0 2.0 2.0 2.0 2.0
B a 7.0 7.0 5.0 3.4 2.5 2.5 2.5 2.5 2.5 2.0 2.0 2.0
C - a 7.0 7.0 5.0 3.6 3.0 2.5 2.5 2.5 2.5 2.5 2.5
D - - a 7.0 7.0 4.6 3.4 3.0 2.5 2.5 2.5 2.5 2.5
E - - - a 7.0 7.0 4.0 3.2 3.4 2.5 2.5 2.5 2.5
F - - - - a 7.0 6.8 3.6 3.4 2.5 2.5 2.5 2.5
G - - - - - a 7.0 6.8 3.6 3.2 2.5 2.5 2.5
H - - - - - - a 7.0 6.0 3.6 3.4 2.5 2.5
I - - - - - - - a 7.0 6.0 3.6 3.4 2.5
J - - - - - - - - a 7.0 5.6 3.6 3.0
K - - - - - - - - - a 7.0 5.0 3.6
L - - - - - - - - - - a 7.0 4.6