Transcription of Procedural Standard for Testing, Adjusting and Balancing ...
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Procedural Standard for Testing, Adjusting and Balancing ...
Procedural Standard for Testing, Adjusting and Balancing of Environmental Systems2015 Eighth EditionNEBB 8575 Grovemont CircleGaithersburg, Maryland 20877 Tel 301-977-3698 Fax Standard FOR TESTING, Adjusting AND Balancing OF ENVIRONMENTAL SYSTEMS Copyright NEBB, 20152015 EDITIONThis book may not be reproduced in any form without written permission of the copyright Procedural Standard was developed using reliable engineering principles and research plus consultation with, and infor-mation obtained from, manufacturers, users, testing laboratories and others having specialized experience. This Standard is subject to revision as further experience and investigation may show is necessary or desirable.
Diversity: In air or hydronic systems, diversity is the term used to describe the difference in air or water volume between the prime mover (fan or pump) and the terminal elements. An example would be a fan system where the fan is sized for 85% of the total air flow at the terminals. In this example, the diversity
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