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Planning
43 / 121
4.4.4.4
Non-normative system limits table for planning without “ASD PipeFlow” calculation
The following table shows the parameters for switch settings
W01
to
W44
that do not conform to EN 54-20 concerning airflow
monitoring. It also shows the number of tube networks for these switch settings. The tube topology specifications (tube net-
work length, number of sampling holes) are shown in the tables in Sec. 4.4.4.3.
Warning
Switch settings
W01
to
W44
may be used only after consulting with the manufacturer. The airflow monitoring val-
ues stored under those switch positions are
not
tested in accordance with EN.
Switch release
compliant with EN 54-
20
System limit
Airflow monitoring
Switch position
Delay time
Deviation
hi
ghl
y
s
e
n
s
it
iv
e
A
1
10 min
± 20%
W01
60 min
± 20%
W02
10 min
± 50%
W03
60 min
± 50%
W04
s
e
n
s
it
iv
e
B
1
10 min
± 20%
W09
60 min
± 20%
W10
10 min
± 50%
W11
60 min
± 50%
W12
2
10 min
± 20%
W17
60 min
± 20%
W18
10 min
± 50%
W19
60 min
± 50%
W20
D
ef
aul
t
C
1
10 min
± 20%
W25
60 min
± 20%
W26
10 min
± 50%
W27
60 min
± 50%
W28
2
10 min
± 20%
W33
60 min
± 20%
W34
10 min
± 50%
W35
60 min
± 50%
W36
3
10 min
± 20%
W41
60 min
± 20%
W42
10 min
± 50%
W43
60 min
± 50%
W44
ASD532
Operating
Manual
Summary of Contents for ASD 532
Page 1: ...ASD 532 Aspirating Smoke Detector Operating Manual ...
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Page 7: ...Document history 7 121 Document history First edition Date 15 10 2015 ASD532 Operating Manual ...