Modeling an inverter based AC as a VRF

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asked 1 year ago

hk65
11 ●1

updated 1 year ago

Aaron Boranian

14375 ●90 ●25 http://bigladdersoftware.com/

I modeled the inverter based AC as a VRF, but the simulated VRF energy consumption values are much higher than measured values of the inverter based AC. I tried changing the partload ratio curve coefficients because the load in the room is very small. It did not work. any suggestions?

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answered 1 year ago

rraustad

13924 ●82 ●13 http://www.fsec.ucf.edu/

Probably should be using cycling fan mode and also check the cooling EIRfPLR curve to make sure it represents the VS compressor energy. VRF will use a different curve. See figure 10 in https://www.fsec.ucf.edu/en/publicati.... The VS AC EIRfPLR curve will go lower than the one shown in the figure (blue line) and cross at 0,0.

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Asked: 1 year ago

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Last updated: Mar 20 '24

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