Operation Mode
Operator's Handbook, AutroSafe Interactive Fire Alarm System, Release 3, ASAFE-FO/FE Rev. E, 021105,
Autronica Fire and Security AS
Page 25
3.16.3 Coincidence Action Detection Zones
A fire alarm signal from a
single
detector
in a
Coincidence Action
detection zone, will initiate
no
actions, i.e. there will be no
actioning of
outputs
to;
•
Fire Alarm Devices (FAD)
•
Fire Alarm Routing Equipment (FARE)
•
Fire Protection Equipment (FPE)
-
provided that FAD, FARE and FPE are set to Qualified Action (see
next page)
In the display, the alarm number for a detection zone will remain
steady until a new point in the same zone enters alarm state.
In the example below, the detection zone 2 CANTEEN is configured as
a zone with coincidence action.
1 OFFICES
2 CANTEEN
3 WORKSHOP
FIRE ALARMS
19:23
Total: 3
Steady number (2) if only one detector
in this zone is in alarm state.
1 OFFICES
2 CANTEEN
3 WORKSHOP
FIRE ALARMS
19:23
Total: 3
Blinking number (2) if two or several
points or
one
manual call point in the
same zone are in alarm state.
Figure 3-7: Coincidence Action detection zone - indication
At least two detectors
in the same detection zone must be in
alarm state before actions are initiated.
Note that an activation of a manual call-point in a coincidence
action detection zone will
always
initiate actions.
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