Honeywell NOTIFIER NFS2-640 Operation Manual page 10

Fire Alarm Mode of Operation
3.3.2 How to Respond to a Fire Alarm
If the control panel indicates a fire alarm, you can do the following:
• To silence only the panel sounder:
Press the
ALARM
The control panel will send an acknowledge message to the LCD display, remote annunciators,
history buffer, installed printers, and CRT-2s.
• To silence the panel sounder and any activated outputs that are programmed as silenceable:
Press the
The control panel sends an Signal Silenced message to the remote annunciators, history buffer,
installed printers, and CRT-2s. The figure below shows a sample Alarm Silenced message.
1. Check the Alarm message for the location and type of trouble.
2. Correct the condition causing the alarm.
3. When you finish correcting the alarm condition, press the
control panel to normal operation (indicated by the "System Normal" message). The control
panel sends a "System Normal" message to the LCD display, History buffer and installed
printers, FDU-80 annunciators, and CRT-2s.
3.3.3 Interpreting Fire Alarm Type Codes
The Type Code that displays in the Alarm message indicates the function of the point that initiates
the fire alarm. For example, a monitor module with a
monitor module connects to a manual pull station. The table below lists the Type Codes that can
appear in an alarm message:
Latching
Type Code
(Y/N)
Blank Y
HEAT DETECT Y
MONITOR Y
PULL STATION Y
RF MON MODUL Y
RF PULL STA Y
SMOKE CONVEN Y
SMOKE DETECT Y
WATERFLOW Y
EVACUATE SW N
NFS2-640 Operations P/N 52743:L4 06/10/19
/
ACKNOWLEDGE SCROLL DISPLAY
LED will change from flashing to steady.
key. The
SIGNAL SILENCE
Status banner
S I G N A L S S I L E N C E D
Figure 3.3 Sample Alarm Silenced Message
Purpose
Monitor Modules
Indicates activation of a device with no description
Indicates activation of a conventional heat detector
Indicates activation of an alarm-monitoring device
Indicates activation of a manual fire-alarm-activating
device, such as a pull station.
Indicates activation of a wireless alarm-monitoring device Lights
Indicates activation of a wireless manual fire-alarm-
activating device, such as a pull station
Indicates activation of a conventional smoke detector
attached to an FZM-1
Indicates activation of a conventional smoke detector
attached to an FZM-1
Indicates activation a waterflow alarm switch
Performs Drill function.
Table 3.1 Fire Alarm Type Codes (1 of 3)
key. The local sounder will silence and the
LED and
FIRE ALARM SIGNALS SILENCED
0 3 : 1 2 P 0 4 1 5 1 5
SYSTEM RESET
PULL STATION
Lights
Lights
Lights
Lights
Lights
Lights
Lights
Lights
Activates all silenceable outputs
Operation of the Control Panel
FIRE
LED light steady.
Time and date of the
Alarm Silenced
T u e
key to return the
Type Code means that the
What it does
LED and activates CBE
FIRE ALARM
LED and activates CBE
FIRE ALARM
LED and activates CBE
FIRE ALARM
LED and activates CBE
FIRE ALARM
LED and activates CBE
FIRE ALARM
LED and activates CBE
FIRE ALARM
LED and activates CBE
FIRE ALARM
LED and activates CBE
FIRE ALARM
LED and activates CBE
FIRE ALARM
19