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MultiStep - Energy-Saving Exhaust Air
From Exhaust Air Chimneys
The energy-saving exhaust air principle using the CL 74 and CL 74V actuators. Main advantages: The exhaust air principle MultiStep® combines stepless control and group control. The principle’s advantage is a significant reduction in energy consumption while the same air performance can be maintained: Compared to traditional negative-pressure systems, annual savings of up to 50 percent are possible. Due to the steady, maximum exit speed of the exhaust air, unpleasant odours are significantly reduced. The entire ventilation system is more pressure-resistant and less susceptible to wind.
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