Greenheck Smoke Dampers SMD-401M manual

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Table of contents for the manual

  • Page 1

    Model SMD-401M meets the requir ements for smoke dampers established by: National Fire Pr otection Association NFP A Standards 92A, 92B, 101 & 105 IBC International Building Codes ICBO Uniform Building Codes New Y ork City (MEA listing #260-91-M) CSFM California State Fire Marshal Leakage (Smoke) Damper Listing (#3230-0981:108) “UL CLASSIFIED[...]

  • Page 2

    SMD-401M Pr essur e Dr op Data This pressur e drop testing was conducted in accor dance with AMCA Standard 500-D using the thr ee configurations shown. All data has been corrected to r epresent standar d air at a density of .075 lb/ft 3 (1.201 kg/m 3 ). Actual pressur e drop found in any HV AC system is a combination of many factors. This pressur e[...]

  • Page 3

    Space Envelopes Required for Actuators and Accessories Externally mounted actuators always require space outside of the damper sideplate or sleeve. The “S” dimension illustrates the clearance requir ed for various available actuators. On dampers less than 18 in. (457mm) high, actuators may also requir e clearances above and/or below the sidepla[...]

  • Page 4

    T ransitioned Damper Dimensions When a fire/smoke damper is being used in conjunction with r ound or oval ductwork, the SMD-401M can be supplied in a factory sleeve with round or oval transitions on both ends of the sleeve. Dampers should be or dered to the duct dimensions. Drawings below show overall damper size. * These dimensions are furnished a[...]