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EDWARDS°Catalog ► Intelligent Initiating Devices <br /> EWARDS <br /> D <br /> LIFE SAFETY � INCIDENT MANAGEMENT <br /> Intelligent Heat . <br /> Detectors <br /> SIGH-HRD, SIGA-HFD <br /> CAW AP08 I O <br /> H / S853 <br /> .®4 <br /> Overview Standard Features <br /> The Signature Series smoke detectors bring advanced sensing Note:Some features described here may not be supported by <br /> technology to a practical design that increases efficiency, saves all control systems. Check your control panel's Installation and <br /> installation time, cuts costs, and extends property protection Operation Guide for details. <br /> capabilities. Continuous self-diagnostics ensures reliability over • Next Generation Heat Sensing Technology <br /> the long-haul,while the latest thermister technology makes these <br /> detectors ideal wherever dependable heat detection is required. • 135°F(57°C)fixed temperature alarm point(HRD and HFD) <br /> The SIGA-HRD is an intelligent fixed temperature/rate-of-rise fire • 15°F(9°C)per minute rate-of-rise alarm point(HRD) <br /> detector. It monitors the temperature of the surrounding air and . Uses existing wiring <br /> analyzes the data from the sensor to determine whether to initiate <br /> an alarm.The rate-of-rise heat function quickly detects a fast, • Automatic device mapping <br /> flaming fire.The fixed-temperature heat function detects fire when . Sensor Markings Provide Easy Testing Identification <br /> the air temperature near the detector exceeds the alarm point. <br /> The SIGA-HFD is an intelligent fixed-temperature heat detec- <br /> • Up To 250 Total Signature Devices Per Loop <br /> tor that contains a fixed-temperature heat sensor rated at 135°F • Non-volatile memory <br /> (57.2°C). It does not have a rate-of-rise function.The heat sensor . Electronic addressing <br /> monitors the temperature of the air in its surroundings and the <br /> detector analyzes the data to determine when the air temperature Bicolor(green/red)status LED <br /> near the detector exceeds the device's alarm point. • Standard, relay,fault isolator,and audible mounting bases <br /> • 50 foot(15.2 meter)spacing <br /> Page 1 of 4 DATA SHEET E85001-0647 <br /> Not to be used for installation purposes. Issue 2.2 <br />