One unused Copeland AMD Refrigerant Pack System Consisting Of: (3) Copeland Scroll Compressors, Model ZF48K4E-TWD-551. Designed low temperature with injection port, nominal capacity BTU/HR 48,000, Evaporating -35 degrees C, Condensing 40 degrees C, 20 degrees C Suction return gas. Includes heat exchangers, Oil reservoir, and a Delafield Integrated Systems Controller. Frame mounted with casters.