Wrapper for a heat exchange unit

Claim 1

A cylindrical heat exchange unit for use with a refrigeration circuit having refrigerant flowing therethrough which comprises: a base pan for supporting the unit; a slit fin heat exchanger secured in a cylindrical configuration and supported by the base pan, said heat exchanger serving to transfer heat energy between refrigerant flowing through the heat exchanger and air flowing over the heat exchanger; a wrapper supported by the base pan for encasing the slit fin heat exchanger, said wrapper including vertically extending louver openings formed into groupings spaced about the entire circumference of the unit with solid vertical portions located between the groupings for providing structural support between other portions of the heat exchange unit, said louver openings being formed to face opposite directions on opposing sides of the unit to enable the slit fin heat exchanger to be hidden from view while allowing air flow thereto, said wrapper additionally having closure means located at the ends thereof; means for securing the ends of the wrapper to maintain the wrapper in position; a top cover for encasing the top portion of the unit, said top cover being supported by the wrapper about the circumference of the unit and including air discharge openings; and fan means for drawing air into the heat exchange unit through the louver openings in the wrapper, then through the slit fin heat exchanger and discharging said air from the unit through the top cover.