York centrifugal air-conditioning chillers. Model# YKSERCJ4-DHCS Millennium series 2000 ton capacity. Four units totaling 8000 tons of cooling capacity. Installed in 1999, used one year then shut down. Total hours: 15,000 each. Voltage: 4160 / 3 /60 System Cooling tower and pumps also for sale. Marley 10,000 ton capacity used 1 year. Will disassemble and ship anywhere in the world. Includes all electrical connections and structures.