Notifier AFC-600 Programming Manual

Pre-Alarm
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AFC-600 Programming PN 51032:A 3/8/99 77
• The Pre-Alarm indication for this detector will restore automatically to normal if
its sensitivity, programmable to one of nine settings, drops below pre-alarm level.
Zone F09 clears automatically when no Pre-Alarm conditions exist.
• A subsequent alarm for this detector clears the Alert indication.
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Figure 84 and Figure 85 contain sample screens that show how to set an Alert level. For
example, if you program an ion detector for AL:7 and PA:5 (covered in"How to Use the
Detector Sensitivity Screen" on page 41), an Alert Pre-Alarm occurs at measured
smoke detector levels that exceed 1.00% per foot obscuration. When the smoke level of
this detector exceeds 1.00% per foot obscuration, the panel sounder and the
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ALARM WARNING
LED pulse, and an LCD display, similar to the sample screen
shown in Figure 84 appears:
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If viewing the Pre-Alarm level of the same detector using the Read Status function, an
LCD display similar to the sample screen in Figure 85 appears:
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If you program a detector for Action Pre-Alarm and the detector reaches a level that
exceeds the programmed Pre-Alarm level, the control panel indicates an Action
condition. The control panel does the following functions when a detector reaches the
programmed pre-alarm level:
• The Action message is sent to the History buffer and to any installed terminal mode
LCD-80s and printers. The message is sent (and time stamped) only at the time that
it first occurred. This historical data could provide valuable information about the
progress of a fire.
• The
PRE
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ALARM WARNING
LED and panel sounder pulse until acknowledged.
• Zone F09 is activated—but Zone Z00 (general alarm) and the MPS-6 System
Trouble and System Alarm relays do not activate.
• The fifth zone programmed (not the first four) for this detector activates. The fifth
zone is the right-most entry on line two of the detector CBE list in the Point
Programming screen. (For more information, refer to "How to Program an
Intelligent Detector" on page 22). You can use the fifth zone to control functions of
a detector or group of detectors on pre-alarm level. Fifth zone activations also
allow ACS annunciation by a detector or group of detectors in Action Pre-Alarm
condition.
• The Pre-Alarm condition and the zone programmed latch until system reset, even if
the sensitivity drops below the pre-alarm level.
• A subsequent alarm condition for this detector clears the Action indication from
the LCD display alarm list.
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Notifier AFC-600 Specifications

General

Brand	Notifier
Model	AFC-600
Category	Fire Alarms
Language	English