Patent ID: 6168248
Filing Date: 2001-01-02
Classification: F24F

Abstract:
A containment system for a packaged air conditioning unit, said containment system comprising: a base pan having a first group of positioning cleats formed about its periphery, said base pan having two sides and two edges forming four corners; a first unit wrapper having an L-shaped cross-section received on said base pan and extending the length of one side plus one edge of said base pan, said first unit wrapper having spaced apart notches formed along a bottom edge thereof, said spaced apart notches receiving a second portion of said first group of positioning cleats; a second unit wrapper having an L-shaped cross-section received on said base pan and extending the length of one side plus one edge of said base pan, said second unit wrapper having spaced apart notches formed along a bottom edge thereof, said spaced apart notches receiving a first portion of said first group of positioning cleats, said second unit wrapper joining said first unit wrapper at a first seam formed above a first corner of said base pan, and at a second seam formed above a second corner of said base pan, said first and second unit wrappers forming a unit chassis and firmly abutting a horizontal surface of said base pan and being attached by fasteners to a vertical portion of said base pan so as to stiffen said pan from flexing in a vertical direction and stiffen said wrappers from flexing in a horizontal direction; and a top cover mounted to said unit chassis.