Gamma Supply

Centrifugal Supply Air Roof Units

  • 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.
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Compatible Accessory Ranges

Please refer to Product Overview in Downloads for accessory size guide

VA – Speed Controller

VA – Speed Controller

VA-VZ – Run-on Timer

VA-VZ – Run-on Timer

SD1-S – Speed Controller

SD1-S – Speed Controller

AVA3.0 – Speed Controller

AVA3.0 – Speed Controller

AVA5.0 & AVA8.0 – Speed Controller

AVA5.0 & AVA8.0 – Speed Controller

CBD – Backdraft Shutters

CBD – Backdraft Shutters

Overview

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 and Benefits

Design

Supplying fresh air to an air handling unit or to an air conditioning system in commercial buildings. Also suitable where make-up air or positive pressure is required in the ventilated space.

Bird Guards

Bird mesh guards are fitted as standard to stop birds and debris from entering.

Protection

All motors are fitted with Internal Thermal Contacts as standard.

Testing

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

Specification

Construction

Cowls are of UV-stabilised plastic. Steel components have a corrosion resistant finish. Shutters cannot be fitted to this unit.

Impellers

The Gamma Series features high performance backward-curved centrifugal impellers.

Motor

The fans are built with external rotor, squirrel cage induction motors with sealed for life ball bearings. The motor requires an electricity supply of 230V, single and 415V, 3-phase, 50Hz. Some three-phase units are fitted with 2-speed star/delta design motors.

Control

Speed-controllable using electronic or auto-transformer controllers.

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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