Fusion Installation & Commissioning Manual Approved document No UI-FBU-01 issue 3.0
57
SYSTEM OPERATION (continued)
Evacuate
The EVACUATE button, keypad
[3]
may be operated at any time to activate the alarm sounders,
except in ‘Engineering Menu’ mode.
The CONTROLS keyswitch must be in the ON position.
Press the EVACUATE button once:
The sounders are energised and the common FIRE LED will flash.
To turn the Evacuate signal off:
Press the SILENCE button, keypad
[6]
(This will be displayed on the LCD and the flashing ‘FIRE’
LED will change to steady).
Press RESET, keypad
[9]
Pre Alarm
If a detector reaches a pre defined threshold before reaching a full fire condition, a ‘red’ pre alarm
LED and the panel buzzer is activated. The LCD display will indicate the zone of activation. Press
button
[1]
to display device details. A pre alarm may indicate, device contamination, failure or early
warning of a fire condition and should be investigated urgently.
Panel buzzer
The internal panel buzzer operates whenever an abnormal event is on the system.
It operates in the following modes:
Fire/Evacuate
Fast
pulse.
Fault
Slow pulse.
Disablement
Double pulse.
Silenced
Intermittent bleep.
Monitoring
The control panel internal circuitry is fully supervised in accordance with the requirements of EN54-
2 and indicates a failure as a fault condition. Loop and sounder circuits are monitored for open
circuit and short circuit fault conditions. Essential fuses are monitored.
