The Electronic Commutation (EC) series of JetVent fans has pushed forward energy efficiency in car park ventilation. The brushless DC technology used in the EC motor combined with integrated speed control could reduce noise and lead to massive power savings. At high speed (25.8 r/s), the installed EC fan has a throw distance of 55 m.
Demand control ventilation (DCV) is a smart technology where the ventilation rate matches the demand requirements at any given time. Sensors in the car park measure the level of carbon monoxide and provide feedback to the digital zone controller which automatically adjusts the speed of the fan to ensure carbon monoxide levels remain at an acceptable level. Traditionally, this has been achieved with an external fan controller and a variable speed drive. Where the JetVent EC differs is that the speed control is incorporated into the product.
It also has a feature called ComLink which allows digital communication between fan units and the matching digital JetVent zone controller. The JetVent range utilises small, high-speed fans which are more efficient than those used to push air around traditional ducts. The impulse fans are strategically located and thrust a high-speed jet of air which in turn causes movement of large volumes of air through a process known as entrainment.
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