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EnergyPlus solves the performance curves at rating conditions and uses the multipliers accordingly. Check out page 807 in the Engineering Reference. I don't know if that's the only thing that's causing your numbers to be off, but I suspect that's at least part of it.

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EnergyPlus solves the performance curves at rating rated conditions and uses the multipliers accordingly. Check out page 807 in the Engineering Reference. I don't know if that's the only thing that's causing your numbers to be off, but I suspect that's at least part of it.it. Note that 'TotCapTempModFac' should be solved at rated conditions, not 'TestB'.

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