Trane Centravac Water Cooled Chiller, 255 ton, Series R, 1988. Model RTHA255FSAL, S/N U88J00146. Device No. RTHA000021, Rated 460 volts, 60 hz, 3 phase, Min CKT ampacity is 340 amps, voltage utilization range 414-506 vac. Compressor motor, 480 volt, 60 hz, 3 phase. Oil tank heater, 115 volt, 60 hz, 1 phase. Control Circuit, Model RTHA, 115 volt, 60 hz, 1 phase. It has (2) 6 in. outlets with 11 in. flanged, and (2) 6 in. inlets with 11 in. flanged. Control panel with control and 2 gages, 1 for evaporator and 1 for condenser, 0-300 psi on both gages. Overall dimensions 40 in. L x 48 in. W.