The chiller plant is one of the major systems of a district cooling plant. Others are the distribution network and the consumer system. The compressor, which is the focus of this post, is a critical component of a chiller plant. ARANER is an experienced provider of District Cooling solutions. We can be trusted with help in choosing the right compressor type for a district cooling system. We will start with the basic screw compressor working principle. The working principle of centrifugal compressor can be explained in a future publication. The compressor comes with both male and female rotors that can either drive each other or rely on a timing gear.