Notifier NFS2-640 User Manual
Nfs2-640/e operating instructions
NFS2-640/E OPERATING INSTRUCTIONS
This sheet must be framed and mounted adjacent to the control panel.
NFS2-640/E Operator’s Instructions — P/N 52744:A ECN 06-165 12/28/2006
Section 1 Operating Information
Normal Standby Operation.
1. Green P
indicator lit steadily.
2. Red F
3. Yellow T
1. Red F
2. Alarm signaling devices activated.
3. Option module (remote station or supplementary alarm relay) acti-
4. Alarm information visible on LCD display.
After locating and correcting the alarm condition,
reset the control panel by pressing the S
Activation of trouble signal under normal
operation indicates a condition that requires immediate attention.
Contact your local service representative. Silence the audible signal
by pressing the A
switch. The trouble
indicator will remain illuminated.
Section 2 Switch Functions
This silences the piezo
sounder and changes all flashing conditions to steady. Only one press
is necessary, regardless of the number of new alarms, troubles, or
supervisory signals. If the piezo is silenced, it sends an acknowledge
message to the printer and history file. Acknowledge also automati-
cally sends a special command to silence piezo sounders on the
FDU-80 and ACS-series annunciators.
performs all the functions of
. In addition, if an alarm exists, it turns off all silence-
able circuits and illuminates the S
indicator. It also
sends a S
message to the LCD display, printer, and
history file. A subsequent alarm will then resound the system.
1. This unit is programmed to inhibit signal silence for ____seconds.
2. This unit is programmed to automatically silence alarm signal after
The NFS2-640/E waits for the Drill switch to be pressed for
2 seconds (to prevent accidental activations), then turns on all silence-
able circuits (all FCM-1 modules/bell circuits that are programmed
silenceable), and turns off the Signals Silenced LED. It sends a Drill
Activated message to the LCD display, FDU-80, printer, and History
Resets the control panel in standalone applica-
tions. Resets panel when enabled in network applications.
Press and hold the switch to lamp-test the LEDs.
Section 3 LED Indicators
Green LED which illuminates when the panel
assumes control of local operation as primary display; turns off when
another panel assumes control of local operation.
Green LED which illuminates when primary power is
applied to the control panel.
Red LED lights when any of the releasing zones
have been activated, but have not yet discharged a releasing agent;
turns off when no releasing zones are in the pre-discharge state.
Red LED lights when any of the releasing zones are
active and in the process of discharging a releasing agent; turns off
when no releasing zones are discharging a releasing agent.
Yellow LED lights when an abort switch has been
activated; turns off when an abort switch has been pressed and its
timer is still counting down. Activation of a Manual Release Switch
will override Predischarge Delay and override an active Abort Release
Switch, resulting in an immediate agent release.
Red LED that flashes when one or more alarms occur.
Illuminates steadily after alarms are acknowledged; turns off when
is pressed after alarm clears.
Red LED that flashes when a pre-alarm threshold is
reached. The LCD display indicates if it is an ALERT or ACTION
Blue LED that illuminates for a security alarm. LED
turns off after the alarm clears and S
Yellow LED that flashes when a Supervisory, Haz-
ard Alert or Tamper condition occurs, such as a sprinkler valve tamper
condition. The LED turns off when the Supervisory condition clears.
The Hazard Alert or Tamper indication will latch until reset.
Yellow LED that flashes when one or more
troubles occur. Goes on steadily when A
is pressed, and
turns off when all trouble conditions are cleared. Will illuminate if the
microprocessor watchdog timer fails (CPU FAIL).
Yellow LED that illuminates after S
has been pressed. Turns off when D
Yellow LED that illuminates when one or more
points are disabled. The LCD will indicate which points have been
disabled. Turns off when points are re-enabled.
Section 4 Audible Tone Indicator
A continuous sounding tone.
A slow, pulsating tone signal having an equal
on and off time.
A fast, pulsating tone signal having an equal on and
Section 5 Periodic Testing and Maintenance
To ensure proper and reliable operation, system inspection and testing
should be scheduled monthly, or as required by NFPA 72 or local fire
codes. A qualified Service Representative should perform testing.
Notify fire department and/or central alarm
receiving station if alarm condition is transmitted. Notify facility per-
sonnel of the test so alarm sounding devices are ignored during the test
Notify all fire, central station, and/or building per-
sonnel when testing is complete.
Section 6 Audio/Telephone System Information
See DVC Operating Instructions!
Section 7 Local Service Representative:
TELEPHONE NUMBER: ________________________________