GL Gamma EC

Centrifugal Roof Mounted Exhaust Fans

  • EC motor features reverse polarity protection, locked rotor protection and soft start.
  • No additional protection such as contactors are required.
  • Can be pre-configured to suit specific sensors and applications, and are supplied standard with 0-10V control input.
  • A full range of sensors are available including differential pressure, humidity, temperature, air velocity and pollutant.
  • Can be run as an independent ventilation source or integrated into most building management systems.
  • Robust, galvanised steel housing and cowl.
  • Quick release toggle clamps provide easy access for cleaning and maintenance.
  • Can be mounted at angles up to 30°.
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Compatible Accessory Ranges

Please refer to Product Overview in Downloads for accessory size guide

CBD – Backdraft Shutters

CBD – Backdraft Shutters

EC Controller – 0-10V EC Speed Controller

EC Controller – 0-10V EC Speed Controller

Overview

The GL Gamma EC Series of centrifugal roof mounted exhaust fans incorporate the latest state of the art, energy saving EC motor technology. They feature integrated infinitely variable speed control and eliminate the need for external VSDs, current overloads and motor phase protection. The units are available in 315, 355, 450, 560 and 630mm fan sizes.

Features and Benefits

Design

The compact and low profile GL Gamma EC Series is a simple “plug and play” system which means installers do not need to have specialised control programing knowledge. They are suited to ducted vertical exhaust applications, include a removable windband that provides easy access for cleaning and maintenance.

Sensors

Matching sensors can easily be connected to monitor the ambient conditions in a space and provide real time feedback to the fan. The fan’s on-board microprocessor can adjust the speed and therefore modulate the ventilation rate to match the specific requirements of the area.

Protection

Integral thermal overload protection is supplied as standard.

Testing

All units are tested to ISO 5801:2007 (airside performance) and ISO 3744:2010 (sound performance).

Specification

Construction

The cowl is a vertical discharge design and manufactured from galvanised steel. Steel components shall be corrosion protected. The windband incorporates a quick-release toggle clamps to provide easy access for cleaning and maintenance.

Impellers

Impellers shall be made from high performance composite material. Backward-curved centrifugal design.

Motor

The fans are built with electronic commutated (EC) motors with sealed for life ball bearings. The motor requires an electricity supply of 200-277V single-phase, 50/60Hz for 315 to 450mm sizes. Electricity supply of 380-480V three-phase, 50/60Hz is required for 560 and 630mm sizes. Maximum ambient temperature is 60°C CDEC56VGL cannot exceed 16.8r/s at 60°C

Control

Integrated EC-Controller providing infinite speed control.

Additional Information

Backdraft shutters are an optional extra. The pressure loss across the shutter has to be added to the system pressure before making selections. All GL Gamma EC models can be pre-configured to suit specific sensors and specific applications. Please advise Elta Fans of these parameters at the time of order. EC motors should be directly connected to their appropriate AC supply. EC motors should not be regularly power cycled.

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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