if a room is protected by FM200, is it necessary to install independent fire detectors connected to building fire alarm panel? if its not necessary, is there a clear clause in NFPA standards that mentions that it is not required?
AHJ will normally allow no fire alarm detection in that space if FM-200 system is tied to fire alarm . In that case the fire alarm would usually monitor the FM-200 for alarm and trouble and often other stages . An alarm at FM-200 then sets off fire alarm just as a fire alarm smoke would. You would want to check with AHJ .
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