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NC-v4 EAc6:Enhanced refrigerant management

Central Chilled Water Plant

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Wes Lawson
Mechanical Engineer
Bala Consulting Engineers
LEEDuser Basic Member
4 thumbs up

For NC major renovation, when building is served by a campus central chilled water plant, does the central plant's refrigerant characteristics count towards the calculations required for this credit?

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Melissa Kelly
Sustainability Specialist
Gensler
LEEDuser Basic Member
66 thumbs up

Fri, 02/10/2017 - 15:36

Hi Wes, Yes, if you have a central plant, you will need to follow the guidance for upstream equipment. See the "Weighted Average Refrigerant Impact" example and "Project Type Variations" in this section of the Reference Guide. There are two options for demonstrating compliance: - Show that both the upstream (central plant) and downstream (project building) equipment meets the requirements separately - If that isn't the case, show that the requirements are met on a weighted average level, using only the portion of the central plant capacity serving the project building Hope this helps!

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