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FL 3/16 <br />DIGITAL, ADDRESSABLE FIRE-ALARM SYSTEM 283111 - 7 <br />a. Primary status. <br />b. Device type. <br />c. Present average value. <br />d. Present sensitivity selected. <br />e. Sensor range (normal, dirty, etc.). <br />3. Weatherproof Duct Housing Enclosure: NEMA 250, Type 4X; NRTL listed for use with <br />the supplied detector for smoke detection in HVAC system ducts. <br />4. Each sensor shall have multiple levels of detection sensitivity. <br />5. Sampling Tubes: Design and dimensions as recommended by manufacturer for specific <br />duct size, air velocity, and installation conditions where applied. <br />6. Relay Fan Shutdown: Fully programmable relay rated to interrupt fan motor-control <br />circuit. <br />2.7 CARBON MONOXIDE DETECTORS <br />A. General: Carbon monoxide detector listed for connection to fire-alarm system. <br />1. Mounting: Adapter plate for outlet box mounting. <br />2. Testable by introducing test carbon monoxide into the sensing cell. <br />3. Detector shall provide alarm contacts and trouble contacts. <br />4. Detector shall send trouble alarm when nearing end-of-life, power supply problems, or <br />internal faults. <br />5. Comply with UL 2075. <br />6. Locate, mount, and wire according to manufacturer's written instructions. <br />7. Provide means for addressable connection to fire-alarm system. <br />8. Test button simulates an alarm condition. <br />2.8 HEAT DETECTORS <br />A. Manufacturers: Subject to compliance with requirements, provide products by one of the <br />following: <br />1. Faraday. <br />2. Fire-Lite Alarms, Inc.; a Honeywell International company. <br />3. Notifier. <br />4. Siemens Industry, Inc.; Fire Safety Division. <br />5. Silent Knight. <br />6. SimplexGrinnell LP. <br />B. General Requirements for Heat Detectors: Comply with UL 521. <br />1. Temperature sensors shall test for and communicate the sensitivity range of the device. <br />C. Heat Detector, Combination Type: Actuated by either a fixed temperature or a rate of rise. <br />1. Mounting: Twist-lock base interchangeable with smoke-detector bases. <br />2. Integral Addressable Module: Arranged to communicate detector status (normal, alarm, <br />or trouble) to fire-alarm control unit. <br />D. Heat Detector, Fixed-Temperature Type: Actuated by temperature that exceeds a fixed <br />temperature. <br />1. Mounting: Twist-lock base interchangeable with smoke-detector bases. <br />2. Integral Addressable Module: Arranged to communicate detector status (normal, alarm, <br />or trouble) to fire-alarm control unit. <br />2.9 NOTIFICATION APPLIANCES <br />A. Manufacturers: Subject to compliance with requirements, provide products by one of the <br />following: <br />1. Cooper Wheelock. <br />2. GE UTC Fire & Security; A United Technologies Company. <br />3. Gentex Corporation. <br />4. Siemens Industry, Inc.; Fire Safety Division. <br />5. SimplexGrinnell LP. <br />DocuSign Envelope ID: 40CF07BE-0F08-4B66-B4FD-884A0A07C01C