Coil and cabinet assembly for air handler

Claim 1

A cabinet and coil assembly for an air handler unit adapted for installation in either an upright vertical disposition, an inverter upright disposition, or a horizontal disposition, comprising: a cabinet, which with respect to all the locational relationships recited hereinafter is viewed as being in its vertical upright disposition, said cabinet including front, rear, side, and top and bottom walls, the interior of the cabinet being divided into a lower coil section, an intermediate blower section, and an upper control section, the cabinet having blower means in said blower section for creating air flow through said cabinet in a bottom to top direction, the cabinet also having a fin and tube refrigerant coil disposed diagonally in said coil section with the coil lower edge in one bottom corner at one side of the cabinet, the cabinet being adapted to receive return air through inlet opening means in said bottom wall and alternatively through inlet opening means in the other side wall of the coil section, the coil having connected thereto refrigerant liquid and suction gas line connectors; a first condensate drain trough fixed to the coil and encompassing the lower edge of said coil and including a condensate drain outlet projecting from the end of said trough at the front face of the cabinet; the front wall of said cabinet including detachable and separate access panels for covering the front face of both said coil section and said blower section, the front wall of said cabinet further including a first cross member extending between the right and left side walls and detachably fastened thereto at the lower end of said coil section, said cross member including an opening therein registering with and receiving said drain outlet of said first drain trough, said front wall further including a second cross member at the level separating said coil and blower sections and extending between the right and left side walls and being detachably fastened thereto; a second condensate drain trough adapted for installation in said cabinet when said cabinet is to be installed in said inverted upright disposition, said trough being located at the edge of said coil opposite said first trough and having a drain outlet projecting from the front face end of the trough; said second cross member including means for defining an opening therein adapted to register with and receive said drain outlet of said second trough, and further including openings to receive said refrigerant line connectors; and means for fastening said access panels to said cabinet front face to substantially close the front face, said access panels being devoid of openings to accommodate refrigerant line connections and drain outlet connections.