[EnergyPlus_Support] How to control the outdoor air rate and total air flow rate in the HVAC system?

["jpei82" <jpei82@xxxxxxxxx>]

Hi, all, now I want to simulate the energy consumption difference 
between different ourdoor air flow rate. I specify the required OA flow 
rate in "zone sizing" by "outside air flow per zone", but found that 
the "zone mechanical ventilation volume flow rate" in the result does 
not agree with the value I specified. what is the reason? 

Also , I give a fixed value in "design air flow rate" for "primary air 
loop"  , but the volume flow rate for "mixed air node" (also VAV sys 
inlet node, VAV sys outlet node, they have the same value), is not the 
value I gave, but much smaller. I supposed they should be the same. Can 
anyone tell me the reason? Thanks a lot!



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