Description:
The Minivent Series of axial roof units has been designed for use in a wide range of free intake or duct mounted, domestic and commercial applications. They can be speed controlled and are available in 6 sizes ranging from 112 to 350mm diameter.

Features:
• Robust, lightweight construction
• Wide choice of speeds for most sizes
• All motors are speed controllable
• Can be used in ducted systems
• Can be mounted at angles up to 30°
• Backdraft shutters can be fitted to fans 250 to 350mm diameter

Construction
Cowls are of UV-stabilised injection moulded plastic.
The impellers are of powder coated galvanised steel.

Motors
Type - external rotor, squirrel cage induction motors
Electricity supply - 230v, single-phase, 50/60Hz
Bearings - sealed-for-life, ball
Speed-controllable
Motor protection - IP44

Internal Thermal Protection
MV112 and 132 are impedance protected.
MV202 and above are fitted with thermal contacts as standard.

Testing
Air flow tests to BS848:Part1, 1980
Noise tests to BS848:Part2, 1985

Special Note
When backdraft-shutters are used derate the performance by 15-20%.