NFS2-640/E Operations Manual —
P/N 52743:F1 06/16/2011
13
Control Keys
Use of the Controls
You can also press this key to display multiple alarms or troubles. If more than one alarm or trouble
exists, the control panel displays the next alarm or trouble for 3 seconds (or until you press the
ACKNOWLEDGE
/
SCROLL
DISPLAY
key), then displays the next alarm or trouble.
2.3.2 Signal Silence
Use the
SIGNAL
SILENCE
key to silence the panel sounder and turn off all audio and visual devices
connected to Notification Appliance Circuits. When pressed, the control panel does the following:
•
Turns off the panel sounder
•
Turns off all silenceable output circuits
•
Lights the
SIGNALS
SILENCED
LED
•
Sends a
SIGNALS
SILENCED
message to the History buffer and installed printers, CRT-2
terminals, and FDU-80 annunciators
Partial Signal Silence
When some active outputs are silenced and others remain constant, the
SIGNALS
SILENCED
LED
will flash.
2.3.3 System Reset
Use the
SYSTEM
RESET
key to reset the control panel. When pressed, the control panel does the
following:
•
Clears ALL active inputs
•
Interrupts resettable power
•
Sends a “System Reset” message to the History buffer, and installed printers, CRT-2 terminals,
and FDU-80 annunciators
•
Decouples from Noti•Fire•Net, if connected, for 60 seconds to allow Cooperative Control By
Event (CCBE) to clear.
If any alarm or trouble exists after you press the
SYSTEM
RESET
key, all NACs, control outputs, and
panel audio and visual indicators will reactivate.
2.3.4 Drill
Use the
DRILL
key to manually activate all silenceable outputs and Notification Appliance Circuits.
To prevent accidental activation, you must press the
DRILL
key for 2 seconds. When pressed, the
control panel does the following:
•
Turns on all silenceable NACs
NOTE:
If Local Control is set to “0” (No Control), the FACP will not respond to
ACKNOWLEDGE
,
and the piezo will not sound.
NOTE:
If Local Control is set to “0” (No Control) or “2” (Partial Control), the FACP will not
respond to
SIGNAL
SILENCE
.
NOTE:
Trouble conditions will not clear and re-report upon reset.
NOTE:
If Local Control is set to “0” (No Control), the FACP will not respond to
SYSTEM
RESET
.
