Aspirating Smoke Detector
Planning | en
69
Bosch Sicherheitssysteme GmbH
Operation Guide
2018.04 | 2.0 | F.01U.130.926
N
7.0
3.6
3.0
3.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.0
O
a
7.0
3.6
3.6
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.0
P
-
a
7.0
3.6
3.0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
Q
-
-
a
6.0
3.6
2.5
2.5
2.5
2.5
2.5
2.5
2.5
R
-
-
-
a
6.0
3.0
2.5
2.5
2.5
2.5
2.5
2.5
S
-
-
-
-
a
6.0
3.0
2.5
2.5
2.5
2.5
2.5
T
-
-
-
-
-
a
6.0
3.0
2.5
2.5
2.5
2.5
U
-
-
-
-
-
-
a
6.0
3.0
2.5
2.5
2.5
V
-
-
-
-
-
-
-
a
6.0
3.0
2.5
2.5
W
-
-
-
-
-
-
-
-
a
6.0
3.0
2.5
X
-
-
-
-
-
-
-
-
-
a
6.0
3.0
Y
-
-
-
-
-
-
-
-
-
-
a
6.0
Z
-
-
-
-
-
-
-
-
-
-
-
a
a = Acceleration openings = 7.0 mm
See also
–
2. Option: reducing the number of air sampling openings, page 61
4.11
Planning for Forced Airflow
Monitoring the air-conditioning ducts
Air-conditioning units are broken down into low and high-speed units (see table below). The
details provided in this chapter apply only to low-speed units. There are no adequate empirical
values available for high-speed units. Hence, smoke trials must be executed for air-
conditioning ducts with flow speeds above 10
m/s, in order to determine optimal response
behavior.
Air-
conditioning
ducts
Low-speed units
High-speed units
Flow speed
Maximum 6 to 10 m/s
> 10
m/s
Duct cross-section
Large
Small
Difference pressures
along the flow
direction
Low
High
The speed distribution in an air-conditioning duct appears as follows:
Содержание FAS-420
Страница 1: ...Aspirating Smoke Detector FCS 320 TP1 FCS 320 TP2 en Operation Guide ...
Страница 2: ......
Страница 132: ...132 en Index Aspirating Smoke Detector 2018 04 2 0 F 01U 130 926 Operation Guide Bosch Sicherheitssysteme GmbH ...
Страница 133: ......
