Utilizing our veteran skills and proficiency, we are engaged as manufacturer, supplier and exporter of Water Cooler Test Rigs in Ambala, Haryana, India. THE WATER COOLERâ Test Rig enables students to study and understand Vapour Compression Cycle, its components, principle and working. All the components are mounted on rigid steel frame. The trainer consists of a hermetically sealed compressor, forced convection air-cooled condenser, filter / drier, flow meter, expansion device and coil wound type evaporator. Separate pressure gauges are provided to record suction and discharge pressures and digital temperature indicators for various temperatures.