DHS Roof Fans

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.

Reliability

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 minimise the need for maintenance of the fans and allows long continuous operation.

Performance

The sound optimised impellers together with highly efficient external rotor motors are designed to ensure high-level performance to minimise power consumption and maximise efficiency.

Accessories

DHS fans can be selected together with variety types of accessories as roof sockets, tilting devices, dampers, etc.

Construction

The Casing is made from seawater-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.

Impeller

The DHS fans use radial impeller with backward curved blades. These are made out of high-performance composite material or aluminium, dynamically balanced and paired with corresponding external rotor motors.

Motor

DHS fans are delivered with AC motors. Motors are suitable for 50Hz and 60Hz.

Motor protection

Depending on the type, AC motors have an integrated thermal protection with manual (electrical) reset, pre-wired integral thermocontact TK or thermistor PTC with leads to a motor protection device.

Control

AC motors can be controlled by 5-step, stepless speed regulator, D/Y switch or frequency converter.

Installation

The DHS fans are for outside installation.