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Alarm Acknowledgement Facility (AAF)
The Alarm Acknowledgment Facility (AAF) is a loop powered addressable device that helps reduce the costly consequence of an unwanted alarm.
An occupant is able to silence the sounder, activated by an incipient alarm, thereby allowing some time for ‘investigation’.
In the event that this is an unwanted alarm, the detector is reset and fire system reinstated to normal. This facility prevents the costly automatic callout of the fire brigade.
If the event is a real fire condition, the system will go into general fire alarm after a prescribed investigation period or the initial alarm was not initially acknowledged by silencing the AAF.
Typical application of the AAF would be in Living-In-Accommodation (LIA) i.e. hotels, apartments, boarding schools, defence barracks, etc. The AAF can also be configured to operate on any site where there is 24hr manned security.
