Sterling Sterlcool Water Cooled Central Chiller- 84 Tons. Model: STC2-80W. S/N: 95D0507. Previously owned and operated by Nestle. Refrigerant: R-22. Minimum temperature: 45 °F. Nominal condenser waterflow: 252 gpm. System requirements: 460 V, 142 amps, 60 Hz, 3 phase. Heat transfer fluid: water. Central chillers are designed to provide safe and reliable operation. Inlets: (2) 2 in. dia. NPT (male, condenser), (1) 2 in. dia. NPT (male, chiller barrel). Outlets: (2) 2 in. dia. NPT (male, condenser), (1) 2 in. dia. NPT (male, chiller barrel). Overall dimensions: 9 ft. 6 in. L x 72 in. W x 85 in. H.