2BStructure and function
20BFunction
3
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Building Technologies
007004_t_en_--
Fire Safety
2015-11-04
3.5.7
Extended flashing behavior of the alarm indicators
Internal alarm indicator
The table below describes the flashing behavior of the internal alarm indicator of
the point detectors FDOOT241-A and FDOOT241-Ax with a product version
≥50 in
FDnet mode:
Several flashing patterns are available for normal operation. The flashing pattern
is selected using the 'SintesoWorks' software.
Operating condition
Flashing mode Graphic
Alarm
IAI flashes red
once a second
Normal Configuration 1
(
default
)
IAI off
Configuration 2
IAI flashes red
every
10 seconds
Test
mode
Normal
IAI flashes red
twice every
4 seconds
Alarm
IAI flashes red
twice every
4 seconds and
red every
second in-
between
Fault
IAI off
Not all fire control panels support the flashing patterns described.
Depending on the settings of the fire control panel, the additional weak flashing
described in the '
' chapter will additionally be
displayed.
A steady-on flashing mode for the alarm and an alternative flashing mode for
normal operation can be set using the 'SintesoWorks' software.
Please also observe the documentation for your fire detection system.
t
0
1
2
3
4
5
6
7
8
9
10
12
11
[s]
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0
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7
8
9
10
12
11
[s]
t
0
1
2
3
4
5
6
7
8
9
10
12
11
[s]
t
0
1
2
3
4
5
6
7
8
9
10
12
11
[s]
t
0
1
2
3
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5
6
7
8
9
10
12
11
[s]
t
0
1
2
3
4
5
6
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8
9
10
12
11
[s]
