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4.20 Special System Timers
4.20.1 Silence Inhibit Timer
This option, if selected, prevents the Alarm Silence key from functioning for 60 seconds
following an alarm. A new alarm during the initial 60 seconds will cause the timer to
restart with a new 60 seconds. Silence Inhibit operation requires the approval of the local
Authority Having Jurisdiction.
following an alarm. A new alarm during the initial 60 seconds will cause the timer to
restart with a new 60 seconds. Silence Inhibit operation requires the approval of the local
Authority Having Jurisdiction.
4.20.2 Autosilence Timer
If Autosilence is selected, the notification appliances, programmed as silenceable, will
automatically be silenced after a programmable duration of from 5 to 30 minutes.
Pressing the Drill key will restart the timer. Autosilence operation requires the approval
of the local Authority Having Jurisdiction.
automatically be silenced after a programmable duration of from 5 to 30 minutes.
Pressing the Drill key will restart the timer. Autosilence operation requires the approval
of the local Authority Having Jurisdiction.
4.20.3 Trouble Reminder
If selected, this feature causes a reminding ‘beep’ every 15 seconds during an alarm (after
the Alarm Silence key is pressed) and every two minutes during a trouble condition (after
the Acknowledge/Step or Alarm Silence key is pressed). The ‘beeps’ from the onboard
piezo sounder will occur until the alarm or fault is cleared.
the Alarm Silence key is pressed) and every two minutes during a trouble condition (after
the Acknowledge/Step or Alarm Silence key is pressed). The ‘beeps’ from the onboard
piezo sounder will occur until the alarm or fault is cleared.
Note that if the trouble is not cleared within 24 hours, the piezo will resound, indicating
that the trouble condition still exists.
that the trouble condition still exists.
4.20.4 Waterflow Retard Timer
If selected, this option will delay the activation of a waterflow type alarm for a
programmable time duration from 1 to 90 seconds. This delay is in addition to any time
delay inherent in the waterflow device. This feature requires the approval of the local
Authority Having Jurisdiction.
programmable time duration from 1 to 90 seconds. This delay is in addition to any time
delay inherent in the waterflow device. This feature requires the approval of the local
Authority Having Jurisdiction.