VDD EC 355 – Mixed flow roof fan – 3 ph – Helios

VDD EC 355 – Mixed flow roof fan – 3 ph – Helios

Vertical exhaust roof fan with efficiency-optimized aluminium housing and newly developed high-performance radial impeller.

Housing made of seawater-resistant aluminium with integrated tamper protection. Motor support plate and base plate with inlet nozzle made of galvanized steel. Base plate with threaded screw for
attaching accessories on the suction side(hole pattern according to DIN 24155, page 3).Protective grille as standard on the discharge side in accordance with DIN EN ISO 13857.

High-performance radial impeller with backward curved blades galvanized sheet steel. Dynamically balanced according to DIN ISO 1940-1.

Energy-saving, speed-controllable EC external rotor motor in a closed design in IP 54 with the highest levels of efficiency. Ball bearings with moisture protection insulation. Maintenance and radio interference free. Integrated electronic temperature monitoring for EC motor and electronics. Standard with external terminal box and external revision switch, protection class IP 65.Stepless speed control with potentiometer or stepless speed control with universal control system.

PRODUCT PDF

helios catalogue VDD EC 355