[EnergyPlus_Support] Zone Exhaust and Return Fan

["thimmannaharshana" <thimmannaharshana@xxxxxxxxx>]

Hi all,

I have modeled supply, return and exhaust fans for a system. when I look at the results, the amount of airflow is same for both supply and return fan. Energy plus is not accounting for the amount of exhaust flow while calculating the return flow. The exhaust fan flow rate is reported separately. 

Supply fan -6500 cfm
Return Fan -6500 cfm
Exhaust fan -550 cfm

I am using energyplus for LEED submission and i guess this is a problem.

Does any one know how to solve this and get the correct return airflow?

Thanks in advance,
Harshana



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