Alpha Supply

Supply Air Roof Unit

  • Robust, corrosion-resistant construction with high performance axial flow impellers.
  • Large choice of speeds available.
  • The MV units have durable powder-coated steel blades.
  • AD/E units have GRP blades as standard with an option of aluminium, nylon or anti-static.
  • 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.
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Compatible Accessory Ranges

Please refer to Product Overview in Downloads for accessory size guide

VA – Speed Controller

VA – Speed Controller

SD1-S – Speed Controller

SD1-S – Speed Controller

Overview

The Alpha Series of supply air roof units have been designed for use in free intake or ducted installations. These robust but lightweight units are fitted with bird mesh as standard to prevent debris and birds entering the building and interrupting motor operation. There are 10 models in the series extending from 200 to 630mm diameter.

Features and Benefits

Protection

Auto-reset protection is supplied on all MV units and manual-reset on the AD/E units.

Bird Guards

Units are fitted with bird mesh as standard to eliminate the risk of debris and birds entering the building.

Weather Resistance

Mushroom cowls limit water ingress in a range of weather conditions.

Testing

All units to BS848:Part 1 1980 (airside performance) and BS848:Part 2 1985 (sound performance).

Control

Units are speed controllable using electronic or auto-transformer controllers.

Specification

Construction

The Alpha Series have cowls manufactured of UV-stabilised plastic. Steel components have a corrosion resistant finish. Shutters cannot be fitted with these units.

Impellers

The impellers run in pressed steel plates ensuring a certifiable performance. MV units have powder-coated galvanised steel impellers. AD/E have GRP blades as standard with an option of aluminium, nylon or anti-static material where required.

Motor

The MV units have an external rotor, squirrel cage induction motor. The AD/E units have a squirrel cage induction motor. They require an electricity supply of 230V, single and 415V, three phase, 50Hz. All motors feature sealed for life ball bearings.

Typical Applications

Airport Terminals
Airport Terminals
Banks
Banks
Bowling Alleys
Bowling Alleys
Call Centres
Call Centres
Canteens and Food Courts
Canteens and Food Courts
Car Showrooms
Car Showrooms
Care and Nursing Homes
Care and Nursing Homes
Cinemas
Cinemas
Colleges and Universities
Colleges and Universities
Commercial Kitchens
Commercial Kitchens
Dark Rooms
Dark Rooms
Dental Surgeries
Dental Surgeries
Departmental Stores
Departmental Stores
Fast Food Outlets
Fast Food Outlets
Fire and Police Stations
Fire and Police Stations
Go Karting Tracks
Go Karting Tracks
Government Buildings
Government Buildings
Gyms
Gyms
Hospitals and Hospices
Hospitals and Hospices
Ice Rinks
Ice Rinks
Indoor Play Centres
Indoor Play Centres
Laboratories
Laboratories
Laundrettes and Dry Cleaners
Laundrettes and Dry Cleaners
Law Courts
Law Courts
Libraries and Archives
Libraries and Archives
Mobile Classrooms
Mobile Classrooms
Mortuaries
Mortuaries
Museums and Galleries
Museums and Galleries
Nail and Beauty Salons
Nail and Beauty Salons
Nurseries
Nurseries
Office Buildings
Office Buildings
Operating and Mobile Theatres
Operating and Mobile Theatres
Petrol Stations
Petrol Stations
Pharmacies
Pharmacies
Places of Worship
Places of Worship
Portable and Temporary Offices
Portable and Temporary Offices
Prisons and Detention Centres
Prisons and Detention Centres
Restaurants and Bars
Restaurants and Bars
Schools
Schools
Shopping Centres
Shopping Centres
Spas
Spas
Sports Centres
Sports Centres
Stadiums and Arenas
Stadiums and Arenas
Student Accommodation
Student Accommodation
Supermarkets
Supermarkets
Swimming Pools
Swimming Pools
Telecoms Buildings
Telecoms Buildings
Theatres
Theatres
Theme Parks
Theme Parks
Town Halls and Community Centres
Town Halls and Community Centres
Train and Bus Stations
Train and Bus Stations
TV and Recording Studios
TV and Recording Studios
Veterinary Clinics
Veterinary Clinics
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