Purposefully Delayed Fire Alarm Notification
Recently, a number of inquiries were made to our office regarding the topic of delaying or preventing the activation of fire alarm notification appliances. In one case, an owner wanted to activate notification only after a second fire alarm was initiated, basically ignoring the first alarm for some period of time. In another case, an owner wanted to delay notification activation until after the responding fire department arrived so that they could determine if notification really needed to be activated.
from EC Mag - Power and Integrated Building Systems Magazine http://www.ecmag.com/section/systems/purposefully-delayed-fire-alarm-notification
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