[EnergyPlus_Support] UFAD Unmet Load Hours Question

["Justin Aruck" <JAruck@xxxxxxxxxxxxx>]

Hello,
 
I have been working on an underfloor air distribution model.  Everything
seems to be running ok (airflows, sizing, and energy use are
reasonable), but I have lots of unmet cooling hours with the average
being only a degree or two off.  I was curious and ran the example file
(5ZoneSupRetPlenVSATU) for a year and got around 1800 unmet cooling load
hours.  Is there a reason for this, or are both my model and the example
not running correctly?  I also had unmet cooling hours when running the
"Displacement_VAV" example.
 
Thank You for any available guidance.
 
Sincerely,
 
Justin Aruck, LEED-AP
Sr. Energy Engineer 
EMO Energy Solutions, LLC
2733 Hartland Road
Falls Church, VA 22043
Phone: 703-205-0445  Fax: 703-205-0449
 


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