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Energyplus Calculation - Chiller Performance Curves

asked 2015-03-09 06:56:59 -0500

nielex's avatar


I'am dealing with chiller performance curves. And so once upon a time I had find the following informations about the calaculation in energyplus:

(1) FullLoadCoolingCapacity = ChillerCapFTemp * Reference Capacity

(2) FullLoadEIR = ChillerEIRFTemp * (1/Reference COP)

(3) PartLoadEIR = ChillerEIRFPLR * (1/Reference COP) * ChillerEIRFTemp

I' dont know wherefrom I got the informations. In the documentation i do not found this informations. Is there anybody who can confirm the calculation and have a soruce for the calculations?

Best regards, Alex

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answered 2015-03-09 10:02:42 -0500

updated 2015-03-13 10:19:18 -0500

The engineering documentation for Chillers and other HVAC equipment lives in the Engineering Reference, which is installed with EnergyPlus (C:\EnergyPlusV8-2-0\Documentation\EngineeringReference.pdf). Here is a link to that same documentation online (scroll down a little to see the equations you posted).

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Thanks for your answer, but the link doesn' t work. Maybe you can check it. Thank you!

nielex's avatar nielex  ( 2015-03-12 05:40:38 -0500 )edit

@nielex I've updated the link

aparker's avatar aparker  ( 2015-03-13 10:19:35 -0500 )edit

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Asked: 2015-03-09 06:56:59 -0500

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Last updated: Mar 13 '15