Operation Manual
FT128 Rev 2.4
60
15.9 Local Alarm Acknowledgement (LAA) Reset
The indication in the Control Unit display, during the Acknowledgement Period (10-120
sec.) and the Investigation Period (1-9 min.) respectively, will automatically clear when:
• The AA process ends because no detector in the LAA zone is over the fire alarm
level.
• The AA process ends up in a fire alarm, which has higher priority.
15.10 Quiet Alarm Reset
Quiet alarms are non-latching, i.e. they will be automatically reset when the alarm point /
zone is no longer above alarm level. Outputs activated by quiet alarm will be de-activated
(In some cases after a programmable delay time).
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