The new Fantech Eco-Speed Series of axial duct mounted fans incorporate a unique AC motor with an integrated variable speed drive (VSD). The integrated VSD provides variable frequency speed control with 240V AC supply input and 415V motor efficiency. This alleviates the need for the traditional style VSD’s resulting in a quicker, more cost effective installation. The Fantech Eco-Speed Series is available in sizes ranging from Ø400 to Ø710mm in diameter and with Manual or Feedback Control options. Energy saving opportunities with the Eco-Speed Series Manual Control Unit – Fan speed can be set to achieve the required airflow/pressure, thereby reducing wasted energy on excess fan capacity. Feedback Control Unit – Remote sensors can be connected directly to the fan to control its speed, on demand airflow using only the energy needed.