AutoCall A4098-9756 Duct Sensor Housing, 4-Wire

The AutoCall A4098-9756 is an intelligent addressable duct smoke detector housing with a factory-installed TrueAlarm photoelectric sensor and supervised relay control output. It communicates over IDNet and is designed for HVAC duct smoke detection applications where panel-controlled remote relay operation is needed. Key Specifications: Type: Intelligent addressable duct smoke detector housing Core Function(s): Detects smoke in HVAC ducts and provides supervised control for remote relay activation Loop/Protocol: IDNet Power: 18 to 32 VDC nominal for supervised relay control; separate 24 VDC fire alarm power required Indicators/UI: Red status/alarm LED and yellow trouble LED for supervised relay control Sensing: Factory-installed TrueAlarm photoelectric sensor Relay Output: Includes one 4098-9843 relay and supports up to 15 total 4098-9843 relays Relay Rating: Form C, 7 A at 28 VDC or 120 VAC Air Velocity Range: 300 to 4000 ft/min Sensitivity Range: 0.2 percent to 3.7 percent per foot of obscuration, selectable at the host panel Operating Temperature: 32 F to 122 F Housing: Black ABS base with clear polycarbonate cover Compatible Accessories: 4098-9854 - 12 inch sampling tube 4098-9855 - 24 inch sampling tube 4098-9856 - 49 inch sampling tube 4098-9857 - 73 inch sampling tube 4098-9858 - 97 inch sampling tube A2098-9808 - Remote red status/alarm LED A2098-9806> - Remote test station with LED 4098-9843 - Remote relay A4081-9008 - End-of-line resistor harness System Compatibility: Compatible with IDNet ES-series fire alarm control panels