Patent ID: 9709297
Date: 2017-07-18
CPC Classifications: F24F

Claim:
1. An inlet air flow router for a condenser unit of an air cooled direct expansion air conditioning unit comprising an evaporator coil disposed in an air handling unit for cooling one or more rooms inside a building and a refrigerant cooling coil located external to the building being cooled, disposed within a unit housing comprising a front face and a plurality of sides, behind a fenestration disposed in at least one of a plurality of side upright housing panels of the unit housing, and a top mounted exhaust fan disposed below an upper surface of the unit housing which draws outside cooling air into the unit housing through the fenestration and through the refrigerant cooling coil and discharges exhaust air from the unit housing as an upward exhaust stream, comprising: a horizontal cooling air plenum formed by spacing an imperforate upright wall panel outwardly from one of the side upright housing panels and connecting the imperforate upright wall panel at a top and bottom thereof to the side upright housing panel forming a continuous cooling air flow path between the fenestration and a plenum opening arranged parallel to the front face of the condensing unit located at an end of the horizontal plenum proximate to the front face, such that the top mounted exhaust fan draws outside cooling air through the plenum opening and along the cooling air flow path of the cooling air plenum and into the unit housing through the fenestration then through the refrigerant cooling coil to then be discharged as exhaust air from the unit housing as an upward exhaust stream; the inlet air flow router being installable onto at least one of the plurality of side upright housing panels of the unit housing to at least partially cover the fenestration.