1998 Evapco PMCB Series Evaporative Condenser. Model: PMCB 390. S/N: 988297W. Nominal Capacity: 390 tons. Refrigerant: R-717. At 74°WB and 95° condensing this is rated for 313 tons. Belt No: 2B133. Centrifugal Pump. Impeller diameter: 5-1/2 in. U.S. Electric Motor, 5 hp, 1745 rpm, 208-230/460 V, 15-13.6/6.8 amps, 60 Hz, 3 phase. Fan diameter: 5 ft. U.S. Electric Motor, 15 hp, 1775/1460 rpm, 208-230/460-190/380 V, 40.0-37.0/18.5-46.0/22.5 amps, 60/50 Hz, 3 phase. Driver pulley diameter: 6 in. dia. Driven pulley diameter: 1 ft. 7 in. Pulley ratio: 0.32. Final fan speed: 560.5 rpm. Inlets: (2) 4 in. dia. ports. Outlets: (1) 1-1/2 in. dia. port, (2) 4 in. dia. ports, (1) 2 in. dia. port, (1) 2-1/2 in. dia. port. Overall dimensions: 15 ft. 2 in. L x 10 ft. 10 in. W x 16 ft. 1 in. H. (ACN510).