Transcription of 8. Air Distribution Systems - Energy Star
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8. Air Distribution Systems - Energy Star
Energy star Building Manual18. Air Distribution SystemsRevised April 2008 Overview 2 Air-Handling system Types 3 Constant-Volume Systems 3 Variable Air Volume Systems 5 Air-Handling Components 6 Fans 7 Filters 7 Ducts 9 Dampers 10 Best Opportunities 10 Optimize Zone-Level Performance 10 Convert CV Systems to VAV 12 Rightsize Fans 14 Install Variable-Speed Drives 16 Modify Controls 17 Pick Premium-Efficiency Motors 23 Use Energy -Efficient Belt Drives 25 Consider a Testing, Adjusting, and Balancing Contractor 26 Summary 26 Bibliography 26 Glossary G-1 Energy star Building Manual28. Air Distribution OverviewAir Distribution Systems bring conditioned (heated and cooled) air to people occupying a building, and therefore directly affect occupant comfort.
8.2 Air-Handling System Types There are two types of air-handling systems: constant volume (CV) and variable air volume (VAV). In a CV system, a constant amount of air flows through the system whenever it is on. A VAV system changes the amount of airflow in response to changes in the heating and cooling load.
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