Chiller Unit The advent of “Factory Automation” and demand for high productivity levels has resulted in usage of State of the Art and highly sensitive electronic hardware like Drives, VFD’s, SSR’s, PLC, Thyristorsetc in CNC Machine tools, Robotics, Material handling Systems Control Panels and other Automation Equipment.To achieve these high productivity levels, it is very important to provide a “clean and controlled environment” to this electronic hardware.