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NC-2009 EAc4:Enhanced Refrigerant Management

Lr value for refrigerant calculations

Francisco Aguirre

Senior Engineer

Ove Arup and Partners, S.A.

LEEDuser Basic Member

0 thumbs up

July 12, 2016

Dear all, I am currently working on a project with a VRF system. We have contacted the manufacturer for non-default refrigerant leakage rate values. The value obtained of 3.13grams/year would mean almost 0% leakage rate per year. Should I use the manufaturer's value for the calculation or is 0.5% the minimum value allowed? This make a considerable difference in the calculation. Thanks in advance.

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Dave Hubka

Practice Leader - Sustainability

EUA

LEEDuser Expert

510 thumbs up

Mon, 08/22/2016 - 19:05

I would anticipate the LEED reviewer will require you to use the minimum value allowed.

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