Technical Manual
5054 Rev 0
For Firmware V2.0.x
9
3 Alert Annunciation Unit
When 5054 is programmed as an alert annunciation unit, the display will be as shown in
Figure 3 5054 configured as an Alert Annunciation Unit
1. Fire alarm indicator
2. Acknowledge symbol
3. Acknowledge time
4. Investigation symbol
5. Investigation time
6. Fire brigade alerted symbol
Note
: In normal quiescent condition, no buttons will be shown
3.1 Fire Alarm
3.1.1 Fire Alarm without Alert Annunciation (normal alarm)
When a normal fire alarm is activated, fire alarms and heavy smoke / heat alarms will be
presented on the display. The fire alarm indicator will flash (0.4/0.4S) and the Fire brigade
alerted symbol is activated.
If two or more alarms activated in the system, the button “
Alarms queued
” will be shown
and the user can scroll amongst the alarms but the fire alarms cannot be reset via the display
unit.
When all fire alarms are reset from the FDCIE, the display unit will return to normal operation.
