NFW-50X Manual — P/N LS10129-001NF-E:C 7/25/2018 105
CO Alarm Operation Operating Instructions
• Third line in display: Z000 indicates the zone programmed to this device which, in this example, is general alarm Zone 000. Note
that a single device can be programmed to five different zones but only the first zone will be displayed.
• Fourth line in display:
Time; the current time in this example is 10:00A which represents 10:00 AM
Date; the current month, day and year in this example is 01 for January, 08 for the 8th day of the month and 16 for the year 2016
Device Address; 1M001 in this example 1 represents SLC Loop, M represents a module and 001 represents device address 001
4.6 CO Alarm Operation
When a CO alarm operation occurs:
• The piezo sounder produces a steady Temporal 4 output
• The CO Alarm LED flashes 1 second On and 1 second Off
• The LCD displays CO Alarm along with the device name, type, address, adjective/noun, associated zones and time/date
• Communicate the CO alarm to the Central Station
• CO alarms latch and are not allowed to clear automatically
• CO alarms activate software zones if so programmed
• Timers for Silence Inhibit, Autosilence, and Alarm Reminder are started
• CO alarms activate the relays programmed for CO alarm
• The trouble relay is not activated
• Store event in history buffer
• Terminate upload or download communications
• CO alarms must be Acknowledged before the FACP can be reset
A typical CO alarm display would be as illustrated below:
The information displayed in the above example provides the following information:
• First line in display:
The type of event; in this example ALARM indicating a CO alarm condition
Device type identifier; in this example, CAR MONOXIDE indicates a CO detector.
• Second line in display:
<ADJ>; refers to the user programmed adjective descriptor from library list resident in the control panel or custom entry via PC.
<NOUN>; refers to the user programmed noun descriptor from library list resident in the control panel or custom entry via PC.
• Third line in display: Z002 indicates the zone programmed to this device which, in this example, is general alarm Zone 002. Note
that a single device can be programmed to five different zones but only the first zone will be displayed.
• Fourth line in display:
Time; the current time in this example is 10:00A which represents 10:00 AM
Date; the current month, day and year in this example is 09 for September, 08 for the 8th day of the month and 16 for the year
2016
Device Address; 1M001 in this example 1 represents SLC Loop, M represents a module and 001 represents device address 001
4.7 Supervisory Operation
Supervisory operation is similar to alarm operation but with the following differences:
• The piezo sounder pulses ½ second On and ½ second Off
• The Supervisory LED flashes ½ second On and ½ second Off
• The LCD displays the status label Active Supervisory along with the device name, type, address, adjective/noun, associated zones,
and time/date
• Communicate the supervisory condition to the Central Station
• The supervisory relay is activated
• The alarm relay is not
activated
• Silenced alarms are resounded
• Timers are not started
• Store event in history buffer
• Terminate upload or download communications
NOTE: When using carbon monoxide detection the system must be monitored by a Supervising Station, meeting the Standard for the
Installation of Carbon Monoxide (CO) Detection and Warning Equipment, NFPA 72.
ALARM CAR MONOXIDE
<ADJ> <NOUN>
Z002
10:00A 090816 1M001
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