8000 Disallow zero for some elements by shorowit · Pull Request #368 · hpxmlwg/hpxml · GitHub
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Disallow zero for some elements #368

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Merged
merged 3 commits into from
Mar 13, 2023
Merged

Disallow zero for some elements #368

merged 3 commits into from
Mar 13, 2023

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shorowit
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@shorowit shorowit commented Feb 2, 2023

Found some HPXML files produced by a software tool in which the ventilation fans were described as ERVs with TotalRecoveryEfficiency=0. This doesn't make sense; either TRE needs to be greater than zero or it's actually an HRV.

I looked through all the HPXML elements like these that are of type Fraction and propose changing a few of them to use a minimum value of zero exclusive instead of zero inclusive:

  • VentilationFan/TotalRecoveryEfficiency
  • VentilationFan/SensibleRecoveryEfficiency
  • VentilationFan/AdjustedTotalRecoveryEfficiency
  • VentilationFan/AdjustedSensibleRecoveryEfficiency
  • HVACDistribution/AnnualHeatingDistributionSystemEfficiency
  • HVACDistribution/AnnualCoolingDistributionSystemEfficiency
  • DrainWaterHeatRecovery/Efficiency
  • Inverter/InverterEfficiency
  • Battery/RoundTripEfficiency

Similar change as what we did for heating, cooling, and ceiling fan efficiencies here.

@shorowit shorowit self-assigned this Feb 2, 2023
@shorowit shorowit marked this pull request as ready for review February 2, 2023 23:32
@shorowit shorowit added the merge label Feb 14, 2023
@nmerket
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nmerket commented Feb 15, 2023

@nmerket nmerket merged commit b8c564b into master Mar 13, 2023
@nmerket nmerket deleted the fraction_excluding_zero branch March 13, 2023 15:46
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