A refrigeration system comprises a fan and motor unit 575 having a plurality of cross-flow blower wheels 530 or air blower turbines place upon either side of a motor or unique cross flow motor. The fan and motor unit 575 may be attached to either a top plate 550 to create a side discharge or to a back plate 570 to create a top discharge. The top plate 550 comprises a plurality of top discharge vents and a front discharge plate cover 545 comprises a plurality of side discharge vents 546. A technician in the field may configure a disclosed refrigeration system either a side or top discharge by rotating the position of the fan and motor unit.