Energy-saving HVAC conversion solution launched
A
Rockwell Automation product story
Edited by the Engineeringtalk editorial team
Sep 30, 2009
Rockwell Automation has launched the Allen-Bradley Fanmaster energy-saving package.
This allows users to convert a constant-volume heating, ventilation and air-conditioning (HVAC) air handler to variable air flow without changes to existing mechanical systems and controls.
HVAC systems consume a large amount of a building's operating costs.
Many HVAC systems use constant-volume air-handling units with simple on/off controls.
Upgrading a user's constant-volume air handler to variable flow allows the user to save energy by being able to control the speed of the fan.
Converting a constant-flow HVAC system to a variable air-flow system used to be a complex and costly task, according to the company.
The Fanmaster energy-saving package features integrated control, which is designed to deliver more energy savings at a fraction of the cost when compared to a traditional hardware retrofit conversion.
The key to identifying the energy-savings opportunities in HVAC systems is to understand the heating and cooling operation cycle of a system.
With the Fanmaster energy-saving calculator, a user can see his or her potential savings before installing the equipment.
The web-based calculator uses geographic-specific calculations, giving the user confidence that specific weather patterns have been leveraged.
Stan Ho, product marketing manager at Rockwell Automation, said: 'The Fanmaster energy-saving package, in combination with an Allen-Bradley Powerflex 400AC drive, will more intelligently control the fan inside the air handler.
'Using a variable-speed drive to lower the fan speed by just 20 per cent can reduce energy use by up to 50 per cent.
'For many operations, this means the upgrade package can pay for itself in energy savings in a relatively short period of time - sometimes less than a year,' he added.
Keeping temperature variations similar to a user's current hard-ducted constant-volume air-handling system and limiting upgrade costs help make the Fanmaster package an effective solution for saving energy at a lower price than a traditional retrofit.
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