2-7
Silencing an Alarm
Overview
When an alarm condition exists, various signals (horns and strobes), auxiliary relays, the city
connection (which is the link to the local fire department or central station monitoring service), and
the tone-alert may activate. The ALARM SILENCE key turns OFF all devices that are
programmed to turn off when it is pressed.
Note:
Depending on the programming of the system, some devices may not turn off when the
ALARM SILENCE key is pressed.
The following occurs when the key is pressed.
•
Turns OFF any circuits programmed as "on until silence"
•
Turns ON the ALARM SILENCED LED if circuits were active and are now silenced
•
Displays a message indicating the ALARM SILENCE function is activated
You should be aware that the following functions affect the operation of the ALARM SILENCE
function.
•
If a
Coded Input Device
(typically a pull station) activates, the ALARM SILENCE key may
be ignored until this function has completed coding. Notification appliances (horns) cannot be
silenced when a coded station is in alarm, but will silence upon coding completion.
•
If the
Alarm Silence Inhibit Option
- which is a timer that inhibits the operation of the
ALARM SILENCE function - is enabled, pressing the ALARM SILENCE key is ignored until
the timer expires. The message "ALARM SILENCE INHIBITED" displays for a short time to
indicate the action was not taken. The message "ALARM SILENCE NO LONGER
INHIBITED" displays when the timer expires.
•
If
Waterflow Sprinkler Devices
are activated, notification appliances may or may not be
silenced (depending on local code requirements). Usually, a dedicated bell will continue to
sound to indicate water flow.
Some visual notification appliances may continue to flash until the system is reset.
Continued on next page.
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