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Example Energy-saving and Advantages of Direct Driven EC-motors
When using an EC-fan, in comparison with a V-belt driven fan, an energy savings potential results due to the high efficiency of the EC-unit. The efficiency of the EC-unit (motor with impeller) is approx. 60% in comparison with the unit with rotary current motor (V-belt drive and impeller) which is approx. 35%.
A constant flow rate regulation with different control parameters can be realised with the conversion up to direct driven motors:
By motion detector / Air quality sensor / Room temperature sensor
Necessary, continuous adjustment of the air flow, of the refrigerating capacity in connection with the actual, changing room conditions.
Furthermore only one filter level is necessary, minimum is F7.
The total air-flow pressing, the energy balance will be improved.
Moreover a continuous adjustment of the air flow takes place in connection with the filter dirt.
That means a high potential of energy-saving and a reduction of the current costs as well as a reduced maintenance effort.