[EnergyPlus_Support] about the minimum system air flow ratio

["beyangj" <beyangj@xxxxxxxxxxx>]

Dear,
In my simulation, the minimum system air flow ratio and the zone 
minimum air flow fraction were varied several times, and that 
affected the result of cooling energy slightly, but that affected 
the result of heating energy obviously.  I am wondering why there is 
some heating in the summer days, and the heating just occurs in the 
period the system is turned on. When the ratio and the fraction 
mentioned before are set smaller, the heating in the summer would 
also become smaller. As a matter of fact, there is no heating in the 
summer days, but there is always some heating in the summer days 
even the minimum system air flow ratio is set as 0.01. How can I get 
rid of this mistake? In addition,  I want to know how much these 
ratio values  affect the results. Thanks in advance!

Best,

Stewart






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