Notifier NFS2-640/E Operation Manual

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Notifier NFS2-640/E Operation Manual Manual pdf 28 page image

28 NFS2-640/E Operations Manual — P/N 52743:F1 06/16/2011Operation of the Control Panel CO Alarm Mode of Operation3.10.2 How to Respond to a CO AlarmIf the control panel indicates a CO alarm, you can do the following:• To silence only the panel sounder:Press the ACKNOWLEDGE /SCROLL DISPLAY key. The local sounder will silence.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 SIGNAL SILENCE key. The SIGNALS SILENCED LED will light steady.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.Figure 3.13 Sample Alarm Silenced Message1. Check the Alarm message for the location and type of trouble.2. Correct the condition causing the CO alarm.3. When you finish correcting the CO alarm condition, press the SYSTEM RESET key to return thecontrol panel to normal operation (indicated by the “System Normal” message). The controlpanel sends a “System Normal” message to the LCD display, History buffer and installedprinters, FDU-80 annunciators, and CRT-2s.3.10.3 Interpreting CO Alarm/Supervisory Type CodesThe Type Code that displays in the CO Alarm message indicates the function of the point thatinitiates the CO alarm. For example, a monitor module with a CO MONITOR Type Code means thatthe monitor module monitors a conventional CO detector. The table below lists the Type Codes thatcan appear in an alarm message:Status banner Time and date of theAlarm SilencedS I G N A L S S I L E N C E D 0 3 : 1 2 P 0 3 1 5 1 1 T u eType Code Latching(Y/N) Purpose What it doesMonitor ModulesCO Monitor* Y Indicates activation of a CO conventional detector Activates CBE, does not light an indicatorat the control panel.DetectorsPHOTO/CO* Y Indicates activation of the Photo, Heat, or CO element of adetector.Lights FIRE ALARM LED for photo and heat,no LED will light for a CO alarm. Photo andheat will activate CBE, CO alarm activatesspecial function zone FC and sixth CBEzone only (sixth CBE zone programmablevia VeriFire Tools)PHOTO/CO (P SUP)* Y Indicates activation of the Photo, Heat or CO element of adetector.Lights FIRE ALARM LED for heat, no LED willlight for a CO alarm, supervisory LED willlight for photo alarm, heat and photo willactivate CBE, CO alarm activates specialfunction zone FC and sixth CBE zone only(sixth CBE zone programmable via VeriFireTools)Table 3.5 CO Alarm Type Codes (1 of 2)