30XV140-500 Aquaforce® Variable Speed Air-Cooled Liquid Chillers with Greenspeed® Intelligence, 140 to 500 Nominal Tons (490 to 1760 Nominal kW) 30XV140-500 Aquaforce® Variable Speed Air-Cooled Liquid Chillers with Greenspeed® Intelligence, 140 to 500 Nominal Tons (490 to 1760 Nominal kW)