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Description
The Gamma Series of centrifugal supply air roof units have been designed for use in free intake and ducted installations.
These compact and low profile units are ideal for supplying fresh air to an air handling unit or to an air conditioning
system in commercial buildings.
They are available in 8 sizes extending from 315 to 710mm diameter.
Features
Corrosion-proof, robust construction.
Choice of speeds available.
Ideal for ducted installations.
Fitted bird mesh prevents debris and birds entering building and interrupting motor operation.
High performance backward-curved centrifugal impellers fitted.
Can be mounted at angles up to 30°.
Some 3-phase motors are 2-speed star/delta design as standard.
Speed-controllable using electronic or auto-transformer controllers.
Corrosion-proof, robust construction.
Choice of speeds available.
Ideal for ducted installations.
Fitted bird mesh prevents debris and birds entering building and interrupting motor operation.
High performance backward-curved centrifugal impellers fitted.
Can be mounted at angles up to 30°.
Some 3-phase motors are 2-speed star/delta design as standard.
Speed-controllable using electronic or auto-transformer controllers.
Construction
Cowls are of UV-stabilised plastic.
Steel components have a corrosion resistant finish.
Backward-curved centrifugal impellers.
Bird-mesh guards are fitted as standard.
Shutters cannot be fitted.
Motor
Type - external rotor, squirrel cage induction motors
Electricity supply - 230V, single and 415V, 3-phase, 50Hz
Bearings - sealed-for-life, ball
Speed-controllable using electronic or auto-transformer controllers
Some three-phase units are fitted with 2-speed star/delta design motors
Testing
Air flow tests to BS848:Part 1 1980
Noise tests to BS848:Part 2 1985
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