What are the main parts of air conditioning water chillers?

It consists of the compressor (scroll, centrifugal, rotary screw). The condenser heat exchanger, that can be either air-cooled consisted of coil(s) and fan(s), or water-cooled where the heat exchanger is cooled by cooling tower. The evaporator heat exchanger which cools the water that inserts the local units (central or FCU). Of course, the system has also auxiliary safety and control parts, as: The buffer tank, the expansion tank, water pump, filter, flow switch, safety valves, expansion valves, temperature sensors, etc). The system is also supplied with an electric control board and an LCD thermostat.