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Five selectable tones with high and low volume settings
this is used in front of the return air plenums of air conditioning units
whereby the detector will adjust its detection thresholds in line with any long-term signal reduction of the beam caused by dust or other contamination of the optical surfaces
This allows for more efficient utilization of notification appliance circuits (NACs) and power supplies
Hd325S2N11Sr2 Heat Detector
Fire-Lite ANN-I/O LED Driver Module 24VDC WGECA24-75PWR (901-0283-000) Five selectable tones with highThe Fire Lite ANN I O LED Driver Module is designed to interface with Fire Alarm Control Panels to drive custom graphic annunciators and LED indicators. This versatile module connects to the ANN Bus and supports a wide range of fire alarm system applications requiring visual status indication. The ANN I O module can drive up to 40 LEDs and is programmable to indicate activity for specific zones or points. Communication with the Fire Alarm Control
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