Extractor fan DHS SERIES

roofresidentialcommercial

Centrifugal roof fan with horizontal discharge Available with AC motors for 50 and 60Hz Extensive range of accessories Flexibility The DHS fans are intended to use for extract air with horizontal discharge. The fans are designed to handle high volumes at medium pressure without generating excessive noise. The casing made out of seawater resistant aluminium with an inside galvanised steel frame is hard-wearing. The combination of casing and motor construction ensures to minimize the need for maintenance of the fans and allows long continuous operation. The sound optimized impellers together with high efficient external rotor motors are designed to ensure high-level performance to minimize power consumption and maximize efficiency. DHS fans can be selected together with variety types of accessories as roof sockets, tilting devices, dampers, etc. The Casing is made from sea water resistant aluminium. Base frame manufactured from galvanised steel with integrated inlet cone. Integrated bird guard manufactured from powder coated, galvanised steel or sea water resistant aluminium. The DHS fans use radial impeller with backward curved blades. These are made out of high-performance composite material or aluminum, dynamically balanced and paired with corresponding external rotor motors. Depending on the type, AC motors have an integrated thermal protection with manual (electrical) reset, prewired integral thermocontact TK or thermistor PTC with leads to a motor protection device. AC motors can be controlled by 5-step, stepless speed regulator, D/Y switch or frequency converter.