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[EnergyPlus_Support] Winter VAV heating coil autosizing problems



Hello all,

Can someone take a look at a VAV system which services 3 spaces. It is 
a terminal reheat unit which takes full fresh air and has main AHU 
outlet conditions of 16C throughout the year. 

Summer control looks ok but winter control is not operating properly

I cannot seem to get adequate control of the winter conditions. The 
outlet of the main AHU is never greater than 6C  (undersized main 
heating coil) and the terminal reheaters are all severally undersized 
during the winter. This is leading to extremely low space conditions. 

I've submitted the problem to the submittals section: Pr 2 VAV.idf

Kind regards

-Elmer






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