Dual direct drive semi-hermetic centrifugal compressors rated 0.45Kw/ton efficiency. Driven by (1) 893KW (LH Circuit) and (1) 946KW (RH Circuit) motors, 4160V, 60Hz, 3 Phase. Uses low pressure refrigerant to produce low refrigerant emissions. (R-123 Charge- LH 2650 lbs & RH 2650 lbs.) Maximum working pressure is 15 psi on both high and low sides. The condenser and evaporator have high efficiency tubing providing greater surface area. Packaged design with electronic controls employing the latest in technology for energy usage.