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Alarm verification Facility (AVF) can be used for convention zone inputs.
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Two-zone or two-unit dependent (co-incidence) fire alarm activation can be used.
In an installation with addressable detectors / sensors (e.g. FT1020G3), the
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affected detectors can be individually disabled (or whole zones) for temporary
work in the premises. Bear in mind that the smoke spreads, and consideration
must be taken to adjacent detectors / zones. Disablements can be done
automatically via a time channel (built-in or external) or via menu (H2/). Automatic
re-enabling can be used. Zone disable card (if fitted) can also be used to manually
disable a zone of smoke detectors.
If there are some alarm investigation procedures for the personnel on site, the alert
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annunciation function can be used.
Pre-warning can be used as an initial warning before a fire alarm is activated
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172
Operation Manual
FT1020G3 Rev 2.10.4
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