York Liquid Chiller- 170 Ton. Model YCAI-16-46D, S/N YBXM-446514. York microcomputer control center with digital number display. Refrigerant: R-22. Test pressure: 450 psig (high side); 300 psig (low side). Chiller: 460 V, 3 phase, 60 Hz, voltage limits: Min 414/Max 506. Compressor # 1: York International Corp. Model JS83F-S46/50L. S/N 44909404. 460/380/415 V, 3 phase, 50/60 Hz. Compressor #2: Compressor Products Incorporated. Model JS63F46S. S/N 10124. 460 V. Texas Instruments Electronic Protection Module. Model 15AA16008. Control circuit: 2.5 amps Max., 24/115/230 Vac, Line 115 Vac. (2) oil heaters, (2) cooler heaters, field chiller liquid line heater. Overall dimensions: 210 in. L x 91 in. W x 100 in. H. Coils were replaced 3 yrs ago. Compressor #2 is still under extended warranty from Compressor Products in Houston. Used at a Texas middle school; always under service contract; well maintained.