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Alarm verification concept (AVC)
Example of a verification process
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Building Technologies
009310_l_en_--
Fire Safety
2018-08-29
If there is no reset, 'Immediate global alarming' is also activated after the expiry of
t2.
Figure 5: Alarm verification
1
Alarm event
q
Acknowledge at 'Station'
2
Local alarming
qx
Not acknowledged
3
Manual call point or <Alarm delay off> on
'Station'
t2..
Time t2 to investigate the source of alarm / the
fire location
mx 'Unmanned operation' operation mode
..t2 X Time t2 has expired
m
'Manned operation' operation mode
r
Reset on 'Station'
t1.. Time t1 for attendance check
rx
Not reset
..t1 X Time t1 has expired
GA
Global alarming
t2..
t1..
?
..t2 X
..t1 X
1
mx
m
2
q
r
qx
rx
GA
3