195 Ton Air cooled water Chiller by McQuay Air Conditioning. Model # ALS195AS27. Unit contains (2) compressors 460volt/ 60hz/ 3phase: (2) crankcase heaters, (14) condensing fans, and (1) evaporator heater. Max relief pressure 450 psi, high side design pressure 450psi, low side design pressure 150psi. Refrigerant 22, total charge 340lbs. Dimensions: 7' wide x 7'6" tall x 22' long. 6" flanged service connectors.