Used 600 Ton York Model # YSAFAS5-CUBS Chiller, runs on R-22. Refrigerant charge (lbs) – 2000. Refrigerant DWP., PSIG: 300 cooler, 300 CLG Cond. Liquid DWP, PSIG: 150 cooler, 150 CLG. Cond. 2 passes. Shell test pressure, psig – 450 psi cooler and Clg. Cond. 4160 Volts; 3 Phase; 60 Hertz. Compressor Model # 233L. Serial # SAEM-863510. New 1997.