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In facilities such as semiconductor and pharmaceutical plants and animal laboratories, HVAC systems bring in a large volume of fresh air over the course of a year. This creates considerable heat loss, which increases energy consumption. A need exists to reduce energy usage by recovering heat from the exhaust air. Conventional heat exchangers, however, cause hazardous gases and odors to mix within the circulation system.
EcoracTM is a heat recovery system that does not allow mixing of exhaust air with supply air. |
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| EcoracTM arrangement diagram |
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A heat recovery system that does not cause cross-contamination
The exhaust and supply units are each outfitted with coils with attached fins. Between these two parts, the "runaround" method is used to circulate water for cooling. Thus, no mixing occurs between the exhaust air and supply air. In addition, an operating mode switching function enables the sprinklers of units A and B to blow down completely, allowing fresh water to circulate back into the tank, thus preventing cross contamination.
High efficiency reduces energy consumption, running costs and CO2 emissions
A high heat-exchange efficiency results in large energy savings, allowing recoupment of the initial investment within 2 to 5 years. Another benefit is that yearly carbon dioxide emissions can be reduced by approximately 25%.
Flexible equipment configuration
Because heat exchange takes place in the piping system through a heating medium, the supply and exhaust units can be used even in separate spaces.
Heat exchange at a wide range of temperatures
Heat can be recovered from exhaust air at a wide temperature range of -20¡C to +80¡C. |
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