Patent ID: 7028497

Claim:
A refrigerated merchandiser comprising: an enclosure defining a refrigerated display cabinet; an evaporator disposed in operative association with the refrigerated display cabinet; a compartment heat insulated from the refrigerated display cabinet a condenser disposed within said compartment; a condenser fan disposed within said compartment in operative association with said condenser; and a compressor disposed within said compartment and connected in refrigerant flow communication with said evaporator and said condenser for circulating refrigerant through said evaporator and said condenser; said condenser having at least one first tube bank and at least one second tube bank, each tube bank being an unfinned serpentine tube having a plurality of a parallel, straight tube rows extending between a pair of spaced end plates, the tube rows within each tube bank being spaced apart at a transverse spacing S t , the first and second tube banks being disposed such that respective tube rows are offset in a staggered arrangement with an offset S S of not greater than 0.25 S t .