Alarm panel behaviour FireClass Panels and Repeaters
10 User Manual Doc. version 2.0
Responding to an event
Optional: Press the SILENCE BUZZER control key to
silence the buzzer while responding to an event.
1 Check whether there are any other active and not
clear events. These events may be related, helping
you gain an overview of the situation, or they may be
more urgent.
There is a priority based selection for which event is
shown in the Operator window.
If available on your panel, press the Not Clr (F4) key
to see the active events.
Note: The Not Clr (F4) key is not available in all coun-
tries.
For example, you may see mains failure events that
have not been cleared by the restoration of the
mains supply. These are shown in the Unrestored
Events list.
2 Check whether there are any other events that may
not be active, but might have been active in the past
and cleared themselves. Again, the events may be
related.
To see the unaccepted events, press the More (F5)
key. Unaccepted events are events that you have
not yet acknowledged that you are aware of. You
might also see earlier events that you have left unac-
cepted as a reminder of an issue that still needs
resolving.
These events are shown in categories, with various
priorities. For details of the categories see 4.5.3 “Fil-
ter“ on page 24. Press the More (F5) key again to
step to the next category. Press the All (F4) key to
see all the unaccepted events.
Note: The All key label may take a second or two to
appear.
3 Try to resolve the situation. Do this by, for example,
restoring the mains supply, or disabling an enabled
point.
If there is a fault that cannot be resolved, contact
your local supplier and arrange for a service visit.
4 Repeat from step 1 in case there are any more active
events.
5 If available on your panel, use the Accept Events
menu option to accept the events that you have
resolved. You will be able to review the events again
as part of the accepting process. For details see sec-
tion 4.1 “Accept Events“ on page 20.
Note: The Accept Events option is not available in all
countries.
The operator window will continue to display an
unaccepted event, if one exists. The normal display
will only be shown once all events are accepted.
2.7 Alarm panel behaviour
Depending on the configuration, the panel may respond
in stages to device activations.
2.7.1 Alarm warnings
You may see an alarm warning type message and the
internal buzzer may sound.
This will be because the control panel has been config-
ured for a partial alarm response if only one detector is
in alarm.
The panel will be waiting for another device to alarm,
before issuing an alarm.
2.7.2 Pre-alarm warnings
You may see a a pre-alarm warning message and the
internal buzzer may sound.
This will be because, for example, a detector has identi-
fied a build-up of smoke or heat that might be the result
of a fire, but the alarm threshold has not yet been
reached.
The alarm threshold must be reached before the panel
will issue an alarm.
2.7.3 Type A dependency
When configuring type A dependency, you may inhibit a
fire alarm until receiving an alarm signal confirmation
from another detector in the same zone. The configura-
tion allows you to select a stand down from pre-alarm
time between 1 and 255 seconds. The first alarm state
will automatically be cancelled after the stand down
from pre-alarm time has been reached. In accordance
with VdS 2496, Type A dependency is not permitted for
triggering of fire extinguishing systems.
2.7.4 Type B dependency
When configuring type B dependency, you may inhibit a
fire alarm until receiving an alarm signal confirmation
from another detector that may be in the same zone or
a different zone.You can manually cancel the first alarm
Accepting an event will remove it from the
operator window even if the event is still
active. The accepted active event will still
contribute to the count displayed in the gen-
eral window. The general window count is
the best indication of any outstanding prob-
lems.
WARNING
Inhibiting alarm confirmation for more
than 60s for Type A dependency
applications, is not permitted by EN54-2.
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