Question about FireLite 4 Zone Conventional Fire Alarm Control Panel
Posted by Anonymous on
Your smoke detectors, heat sensors or fire pull stations (depends on what is installed in your system) are located on your 4 zones. The wiring that connects these sensors to your fire control panel is supervised by an end-of-line resistor. Starting at the panel all wiring on that zone is daisy chained between each detector with the resistor being placed at the last detector. The panel looks for this resistance value at all times. If one of your detectors goes into alarm this creates a short. This is how the system recognizes an alarm state. Conversely, if there is break in the wiring the system fails to see any resistance and the panel will indicate a problem or trouble condition. The most likely cause of your 2 problems is either broken or cut wiring, ie; the system no longer sees the end-of-line resistance. If you are handy and have access to a multimeter you can measure resistance along the zone loop by disconnecting the zone wires from the panel and measuring wire resistance from each detector to the last one. Most Firelite systems use a 4.7k ohm resistor so you should see this at the zone wiring from the panel. If you don't, try removing a detector somewhere in the middle of the circuit and try again. Once you find a detector with that resistance your problem lies between that detector and the panel. It is just a matter of isolating the problem by measuring the zone resistance along different points of the zone wiring. If you are not comfortable doing this by yourself then I would suggest getting either an electrician or fire alarm tech to track down the problem. Hope this helps.
Posted on Dec 30, 2010
MY FIRE ALARM COTROL PANEL (GENT BY HONYWELL,VIGILON) SHOWING" SYSTEM FAULT"INDICATION WHATS THE SOLUTION
Posted on Jun 21, 2012
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Posted on Jan 02, 2017
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