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Allow GSHP w/ separate backup; fix possible combi water heater error #1856

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merged 8 commits into from
Oct 13, 2024

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shorowit
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@shorowit shorowit commented Oct 13, 2024

Pull Request Description

Fixes #1565. Allows a GSHP w/ separate backup.

Fixes possible error when there's a combi water heater. Several conditions need to be met to hit the error, which explains why no one has ever reported the error. Adds more error-checking to schematron.

Checklist

Not all may apply:

  • Schematron validator (EPvalidator.xml) has been updated
  • Sample files have been added/updated (openstudio tasks.rb update_hpxmls)
  • Tests have been added/updated (e.g., HPXMLtoOpenStudio/tests/test*.rb and/or workflow/tests/test*.rb)
  • Documentation has been updated
  • Changelog has been updated
  • openstudio tasks.rb update_measures has been run
  • No unexpected changes to simulation results of sample files

@shorowit shorowit added the bug label Oct 13, 2024
@shorowit shorowit self-assigned this Oct 13, 2024
@shorowit shorowit changed the title Fix possible combi water heater error Allow GSHP w/ separate backup; fix possible combi water heater error Oct 13, 2024
base-dhw-indirect.xml,1419.63,144.0,777.83,0.0,921.83,144.0,353.8,497.8,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
base-dhw-indirect-standbyloss.xml,1409.37,144.0,777.57,0.0,921.57,144.0,343.8,487.8,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
base-dhw-indirect-with-solar-fraction.xml,1325.32,144.0,777.68,0.0,921.68,144.0,259.64,403.64,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
base-dhw-indirect.xml,1406.88,144.0,777.59,0.0,921.59,144.0,341.29,485.29,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
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@shorowit shorowit Oct 13, 2024

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In some situations, combi boilers were incorrectly causing the code to assume there's a flue in conditioned space, despite the boiler inputs suggesting there wasn't.

@shorowit shorowit merged commit 9bb1ac4 into master Oct 13, 2024
@shorowit shorowit deleted the fix_combi_error branch October 13, 2024 20:47
@joseph-robertson joseph-robertson mentioned this pull request Oct 14, 2024
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Allow GSHP w/ separate backup
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