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The new edition has been updated from the 1992 edition and includes updated code references, NFPA references, and expanded guideline notes as to the details of damper installation. The appendices on smoke control and smoke detectors have been revised to reflect the current technology and requirements for those applications.
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Additional Details
Since the publication of the first edition of this “Fire, Smoke, and Radiation Damper Installation Guide for HVAC
Systems,” many changes have occurred in concepts of fire protection. Emphasis on use of duct systems in engineered
smoke control modes as outlined in ASHRAE and National Fire Protection Association (NFPA) publications is now
a key consideration forHVACsystemdesigners. Such concepts depart from the traditional practice of automatic shutdown
of duct systems and create new perspectives on the role of fire and smoke dampers. In some cases dampers are
serving the dual role of fire dampers and smoke dampers.
This edition of the guide again reemphasizes the segregation of the responsibilities that architects, engineers, contractors,
manufacturers, testing agencies and local authorities have regarding fire and smoke dampers. Industry is encouraged
to usemore standardization in the basic elements of installation and in the preparation of installation instructions.
The details shownin this guide represent the state-of-the-art of the dampersmanufacturedby those in theHVAC
industry, andmay bemodifiedby individualmanufacturers tomeet specific requirements. These dampersmust
be installed as outlined and shown by themanufacturers’ installation instructions which result fromUL testing.
In addition to UL labels or UL listing, some local and state authorities will require approval or compliance with
local codes before allowing use.
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