Chilled water unit for the close control air conditioning in small Data Centre, UPS rooms, Batteries rooms, Distribution rooms and in all areas of the Data Center needing air conditioning. The reliability and functionality of all components are guaranteed by world-leading partners in their sector. The constructive solutions and the internal lay-out allow high application flexibility and the frontal access to the main components for the inspection and routine maintenance. The units are fitted with EC INVERTER fans and displacement air delivery. The system has been designed for a quick and easy setting up: the installation requires only electrical and hydraulic connections. A set of accessories allows to control the room temperature even in heating by electric heaters and, if necessary, also the humidity control by a modulating steam humidifier.