Autronica BS-320 User's Guide download pdf (Page 29)

Operation Mode

Operator's Handbook, AutroSafe Interactive Fire Alarm System, Release 3, ASAFE-FO/FE Rev. I, 2009-02-27,

Autronica Fire and Security AS

Page 27

3.18.3 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.

Note that the optional alarm presentation with zonal indication is

used throughout the handbook.

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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Autronica BS-320 User's Guide Page 29