Simplex 4098-9772 TrueAlarm Sensor Base w/520 Hz Sounder
4098-9772 System Overview
Sound output at low frequency The base controls the circuit that drives the sounder when there’s an AUX 24-volt power supply is is used to power the sounder
Also, the base 4098-9772 supervisory function is removed if an supervised NAC is required to power the sounder in order to provide encoded outputs.
Sounder that can be manually activated via the panel with TrueAlarm addressable base sensor with 520 decimal sounder
TrueAlarm sensor base bases with 520 Hz tones also require an TrueAlarm photoelectric, photo/heat and heat sensors (ordered separately) Sensor bases that emit the 520 Hz tone are multi-point devices that make use of only one IDNet address, and get communication and power via the IDNet channel (the base that plays the sounder requires a separate 24 VDC power source or NAC connection)
IDNet circuit permits the sounder to be to be controlled with coded NACs compatible which allows synchronization of temporal or marching time or any other channel code.
The operation of the sounder and sensor is described in UL Standard 268, UL Standard 464, and ULC Standard S529 Sounder operation is listed in UL Standard 464 for a device for audible notifications.
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