Chapter 3: Configuration and commissioning
98 2X Series Installation Manual
Figure 25: Detector alarm with standard delay (no second stage)
Sounders silence disable time
Note: The "sounders silence disable time" feature is only available for control
panels operating in EN 54-2 mode. For control panels in EN 54-2 Evacuation or
NBN S21-100 modes, any configured sounder silence disable times are ignored.
To prevent the immediate silencing of sounders when an alarm is first reported,
the Sounder Start/Stop button may be temporarily disabled for a preconfigured
period of time when a configured sounder delay is counting down. The default
disable time for the Sounders Start/Stop button is 60 seconds.
The disable time starts to count down when the control panel enters alarm status
and the configured sounder delay starts.
During the configured disable time the Sounder Start/Stop LED is off and the
sounders cannot be silenced (before activation) by pressing the Sounder
Start/Stop button.
In the time between the end of the configured disable time and the end of the
configured sounder delay (when the Sounder Start/Stop LED is flashing),
pressing the Sounder Start/Stop button silences sounders (before activation).
A configured sounder delay may still be cancelled while the delay is running (and
sounders activated) by pressing the Sounder Delay button.
Loop Class configuration
Select the Loop Class option to configure the installation loop Class (Class A or
Class B). The default setting is Class A.
To configure a loop as Class A or Class B:
1. Select Field setup in Main menu.
2. Select Loop Class and select the loop number (1 for one-loop panel; 1 or 2 for
two-loop panel, etc.).
3. Select Class A or Class B.
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