Gamma EC Supply
Centrifugal Supply Air Roof Units
Excl. VAT
- EC motor features reverse polarity protection, locked rotor protection and soft start.
- No additional protection such as contactors are required.
- All motor sizes can be pre-configured to suit specific sensors and specific 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.
- Corrosion-proof, robust construction.
- High performance backward-curved centrifugal impellers fitted.
- Can be mounted at angles up to 30°.
SKU: EFAP-15
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Overview
The Gamma EC Series of centrifugal supply air roof units can be used for supplying fresh air to an air handling unit or to an air conditioning system. They incorporate the latest state of the art, energy saving EC motor technology and are most efficient where conditions vary during the course of the day.
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Features and Benefits
Design
The Gamma EC Supply Series is a simple “plug and play” system which means installers do not need to have specialised control programming knowledge. They are pre-configured to suit the selected sensors and the required applications.
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.
Bird Guards
The units are fitted with bird mesh which prevents objects entering building or interrupting motor operation and are available in 315, 355, 450, 560 and 630mm fan sizes.
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
Cowls are of UV-stabilised plastic. Steel components have a corrosion resistant finish. Bird-mesh guards are fitted as standard. Shutters cannot be fitted.
Impellers
Impellers are backward-curved centrifugal design and are of high performance composite material.
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 requires for 560 and 630mm sizes.
Control
The Gamma EC Supply Series feature integrated infinitely variable speed control and eliminate the need for external VSDs, current overloads and motor phase protection.
Additional Information
All Gamma EC supply 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
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