Features

Energy-saving cubic ventilation box with intake and extract spigots, with flexible sleeves to reduce vibration transmission and variable applicable side panels to suit structural conditions. Simple positioning by standard crane hooks. Self-supporting enclosure frame construction made of aluminium hollow sections. Double-walled, 20 mm thick side panels made of galvanised sheet steel, sound and heat insulated by lining with non-combustible mineral wool. The enclosure panels can be replaced as required with accessories such as weather louvres and condensate trays. Additional accessories, wall bracket and weather protection roof can be mounted inside and outside as required. Free-running backward curved centrifugal impeller from aluminium, direct driven. Energy efficient with low noise development. Dynamically balanced with the motor to DIN ISO 1940 Pt.1 – class 6.3 Driven by energy-saving, speed-controllable EC external rotor motor with IP54 protection and maximum efficiency. Maintenance-free and interference-free, ball bearing mounted. Integrated electronic temperature monitoring for EC motor and electronics. As standard with an internal potentiometer for setting the control voltage and thus any fan speed between min. and max. speed. Stepless speed control with external potentiometer or stepless speed control with universal control system EUR-EC. Connection via standard terminal box (IP54) to extended cable.