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Notification Appliance Circuit Supervision Module Specifications D192C Features . Supervises 12 or 24 V DC Notification Appliance Circuits . Supervised signal silencing switch . Notification appliance circuit rated at 1.8 Amps . Multiple module configurations . Mounts in panel enclosure Description The D192C Circuit Supervision Module is an accessory module for use with Radionics Fire Alarm Control Panels (FACPs) and Controll Communicators. The D192C supervises the wiring to remote Notification Appliances in compliance with UL 864 and NFPA 72. The D192C powers Notification Appliances either from an FACP or from an auxiliary power supply, which allows the use of 12 or 24 V DC Notification Appliances with the appropriate power supply. The D192C supervises the wiring to Notification Appliances for open circuit, short circuit, or grounded circuit faults. It responds to these conditions by causing a shorted trouble condition on the FACP supervisory zone or point. The panel then provides audible and visual waming at the command center(s). Panel programming may provide Notification Appliance supervision reports to a remote receiver. In an alarm condition the panel output voltage triggers the D192C to supply power to the Notification Appliances. The D192C module also filters and stabilizes the output voltage to the Notification Appliances in the event the battery power is interrupted. Several D192C modules can be connected to the same supervisory zone or point of the FACP or control/communicator. The D192C module has a silence switch to disconnect power to the Notification Appliances during system testing. When this toggle switch is in the Silence (OFF) position, the D192C shorts the supervisory zone or point of the panel, causing a trouble condition. Notification Appliances used with the D192C module must comply with the following: . Must be polarized (DC) equipment . Must match the voltage rating of the alarm power supply . Must not exceed the current rating of the alarm power supply . Combined device current must not exceed 1.8 Amps per D192C module Application The D192C Module provides a supervised connection point between a Notification Appliance circuit and the FACP. It supervises the Notification Appliance circuit for open, short, and ground condition, any of which the F ACP will report as a trouble condition. In an alarm situation, the FACP signals the D192C to power the Notification Appliance circuit, either from the F ACP battery or from an auxiliary power supply. I.. mem:Jer of the 30sch Gr~u:J $ radlonics