I am working on a project with one of the HVAC options being a WSHP. Some of the parametric options with this system type ran fine, but some ended in an error with the condensor loop having impossibly extreme loop temperatures.
Investigating the problem, the WSHPs were massively oversized by the autosize calculation and the condensor loop was reporting a load of 4.7 MW which was enormous.
So I traced the issue back to the WSHP Equation fit curves which were returning wildly non-normal values. I was using the default curves, but at rated conditions the power modifier was 100.9!
The default curves did not have a minimum or maximum curve output. In theory, there is a way to change the curves for both the heating and cooling WSHP EquationFit coils, but they require QuadLinear and QuintLinear curve types as an input which do not exist in Ironbug. I can set each individual coefficient, but not the min or max output as I can in the curve.
I was able to get around this for now by using C# to automatically modify the curves in the IDF as I was running it. By my question is, can QuadLinear and QuintLinear curve types be added to IB and/or a way of setting a max and min be added to the obj params because it seems like the default curves can get wacky sometimes.