![21899](https://img.wattagnet.com/files/base/wattglobalmedia/all/image/2015/04/an.21899.jpg?auto=format%2Ccompress&q=70&w=400)
GEA offers the BluAstrum ammonia chiller with a GEA Omni controller. The chiller features a high-efficiency compressor series with speed control, frequency inverter and variable Vi for maximum partial-load efficiency, the company says. The range of chillers is available in six types with a capacity range from 500 kW to 2,000 kW.