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Document #50066 Rev. D2 12/03/02 P/N 50066:D2
49
Operation
4.3
Operation
Normal Mode is the standard mode of operation. In this mode, the panel continuously monitors system status. When
no alarm or trouble conditions exist, the display will be blank and all LEDs will be off (except the AC Power LED).
The Notification Appliance Circuits will be off, all relays are normal and the onboard piezo sounder will be off. The
communicator is not active, primary and secondary active LEDs are off.
All alarm and system trouble conditions are annunciated on the control panel’s display. The control panel will main-
tain an 'active event list' which will consist of all alarms, supervisory alarms and system troubles currently active and
not cleared, requiring immediate service. When the system is cleared and restored to normal, the display will be
blank. All alarms and troubles are stored in a history file and may be recalled at any time.
Higher priority events take precedence over lower priority events. Display and reporting of system status is done on
a priority basis. Priorities are, from highest to lowest:
1.
Alarms
2.
Supervisory Alarms
3.
System Troubles
If the events to be displayed consist of alarms and disabled zones only (no troubles), the control panel will scroll them
on the display. Pressing the 1st Event key will stop the scrolling and cause the display of the
first
alarm that occurred
after the panel was last reset, cleared of all active events and placed into Normal Mode. Operation of the Up and
Down arrow keys will display all remaining events in order of their occurrences.
4.3.1 Alarm Response
The control panel will, upon detection of an alarm condition:
• Turn on the alarm LED
• Activate relay(s) programmed for alarm
• Display the alarm message, for example
A__1
for alarm on zone 1
• Communicate the alarm to the Central Station
• Store the alarm in the History file
• Turn on the Notification Appliance Circuits
• Turn on the piezo sounder
• Turn on the annunciator zone LED and annunciator piezo sounder
Note that when any zone is programmed as a supervisory zone, it will not be processed in the same manner as a con-
ventional alarm zone. See “System Supervisory Condition Response” on page 50
.
4.3.2 Alarm Restoral
The control panel returns to normal only after all alarms have been cleared and the Reset switch has been pressed
(pull stations reset, smoke detectors reset and no smoke present, waterflow has stopped). The control panel will
perform the following upon restoral of all active alarms:
• Turn off the alarm LED
• Deactivate the alarm relay(s) if programmed
• Clear the 4-character display
• Send all 'zone restoral' messages to the Central Station
• Turn off the Notification Appliance Circuits
• Turn off the piezo sounder
• Turn off the annunciator zone LED and annunciator piezo sounder
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