I cobbled together a steam boiler system by robbing 5ZoneSteamBaseboard.idf so I could supply one steam baseboard in my model. I now fully understand how little I know about piecing together a functional mechanical system from EnergyPlus
components without using templates (translation: what a pile of junk to add just to run a little radiator). I did not autosize anything because I know the radiator flow rate already. PlantPumps:CalcPumps is throwing a GetSpecificHeatGlycol warning because
it has a 107C temperature fluid. I suspect that the plant is so oversized that it supplies steam to the pump, but I would appreciate any suggestions for resolving this without reverting to an autosized solution.
Also, any references that simply explain how to take a set of fans, pipes, and coils in a box and make the appropriate nodes, loops, branches and controls for EnergyPlus would be appreciated, I’ve never seen a PTAC in the field that actually
looks like the EnergyPlus PTAC most people use, so I should probably build my own…
Ned Lyon, P.E. (MA, WV)
Staff Consultant
SIMPSON GUMPERTZ & HEGER
|
Engineering of Structures and Building Enclosures
41 Seyon Street, Bldg. 1, Suite 500
Waltham, MA 02453
781.907.9000 main
781.907.9350 direct
781.907.9009 fax
www.sgh.com
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