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Update HP models per RESNET HVAC addendum #1871

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shorowit opened this issue Oct 29, 2024 · 0 comments · May be fixed by #1879
Open
4 of 15 tasks

Update HP models per RESNET HVAC addendum #1871

shorowit opened this issue Oct 29, 2024 · 0 comments · May be fixed by #1879
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@shorowit @yzhou601
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1.10.0

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@shorowit
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shorowit commented Oct 29, 2024 •
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See https://www.resnet.us/about/standards/minhers/draft-pds-01-minhers-addendum-82-dx-ac-hp-modeling/

For example:

  • @yzhou601 Updated rated cfm/ton, watts/cfm assumptions, expose FanModelType input/assumptions Update HVAC models per RESNET HVAC addendum #1879
  • @yzhou601 Check/update sensitivity to indoor conditions
  • @yzhou601 Update defaulting for variable-speed systems; introduce rated/nominal speed inputs
  • @yzhou601 Allowing detailed performance data for 1-speed/2-speed
  • @shorowit Add optional EER/EER2 inputs Allow optional EER/EER2 inputs #1897
  • @shorowit Update crankcase heating power
  • @shorowit Data extrapolation (net capacity and input power instead of capacity and cop)
  • SHR calculation updates
  • Updates to defrost modeling
  • Introduce pan heaters? (RESNET decision pending)
  • Assign crankcase power to cooling for HP? (RESNET decision pending)
  • Update BuildResidentialHPXML measure
  • Update OS-ERI
    • Disallow BackupHeatingSwitchoverTemperature/BackupHeatingLockoutTemperature inputs (gas backup for DFHP should always be available)
    • Disallow CompressorLockoutTemperature for DFHP; prescribe value (25F?)
@shorowit shorowit added this to the 1.10.0 milestone Oct 29, 2024
@shorowit shorowit moved this from Triage to In progress in OpenStudio-HPXML Oct 29, 2024
@yzhou601 yzhou601 linked a pull request Nov 9, 2024 that will close this issue
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@shorowit shorowit mentioned this issue Dec 16, 2024
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@shorowit shorowit mentioned this issue Dec 26, 2024
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Update HVAC models per RESNET HVAC addendum NREL/OpenStudio-HPXML
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@shorowit @yzhou601