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Fix Coil Sizing Report for Coil:Heating:Gas:MultiStage and Coil:Heating:Electric:MultiStage#11063

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Myoldmopar merged 2 commits intodevelopfrom
FixCoilHeatingGasMultiStageReport
May 21, 2025
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Fix Coil Sizing Report for Coil:Heating:Gas:MultiStage and Coil:Heating:Electric:MultiStage#11063
Myoldmopar merged 2 commits intodevelopfrom
FixCoilHeatingGasMultiStageReport

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@amirroth amirroth commented May 17, 2025 •
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Pull request overview

Description of the purpose of this PR

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github-actions bot commented May 17, 2025

⚠️ Regressions detected on macos-14 for commit bb922c1

Regression Summary
  • EIO: 1
  • Table Big Diffs: 1
  • Table String Diffs: 1

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github-actions bot commented May 17, 2025

⚠️ Regressions detected on macos-14 for commit 51daeb7

Regression Summary
  • EIO: 6
  • Table Big Diffs: 6
  • Table String Diffs: 6

@amirroth amirroth changed the title Fix Coil Sizing Report for Coil:Heating:Gas:MultiStage Fix Coil Sizing Report for Coil:Heating:Gas:MultiStage and Coil:Heating:Electric:MultiStage May 17, 2025
@amirroth amirroth added the Defect Includes code to repair a defect in EnergyPlus label May 17, 2025
@amirroth amirroth added this to the EnergyPlus 25.2 milestone May 17, 2025
@amirroth amirroth requested a review from rraustad May 17, 2025 20:46
amirroth
amirroth commented May 17, 2025
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src/EnergyPlus/HeatingCoils.cc

heatingCoil.HeatingCoilType = "Heating";
heatingCoil.HeatingCoilModel = "ElectricMultiStage";
heatingCoil.HeatingCoilModel = "Electric:MultiStage";
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@amirroth amirroth May 17, 2025

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This results in a CompType of Coil:Heating:ElectricMultistage in the sizing routines which leads to information in the CoilSelectionReport object to be ignored because that is not a valid coil type name.

@amirroth amirroth mentioned this pull request May 19, 2025
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rraustad approved these changes May 19, 2025
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Good catch.

@amirroth amirroth assigned amirroth and rraustad and unassigned amirroth May 19, 2025
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rraustad commented May 19, 2025 •
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Diffs are attributed to correction of coil type:

- Component Sizing Information, Coil:Heating:GasMultiStage, HEAT PUMP HEATING COIL 1, User-Specified Stage 1 Nominal Capacity [W], 45000.00000
+ Component Sizing Information, Coil:Heating:Gas:MultiStage, HEAT PUMP HEATING COIL 1, User-Specified Stage 1 Nominal Capacity [W], 45000.00000

Need to check what the result is from this branch for:

image

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rraustad commented May 19, 2025

There are still issues with the reporting of sizing data but the coil type has been corrected. Total and Sensible capacity should both show 45000 W and the air flow and conditions used during sizing should be reported correctly, this is a separate issue.

Component Sizing Information, Coil:Heating:Gas:MultiStage, HEAT PUMP HEATING COIL 1, User-Specified Stage 1 Nominal Capacity [W], 45000.00000

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amirroth commented May 19, 2025

I do not know how to address this other issue. Someone else will have to do that.

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rraustad commented May 20, 2025

@Myoldmopar this branch is ready to merge.

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Myoldmopar commented May 21, 2025

Looks like Decent decided it wanted one more pass here. I'll give it a few more minutes, then this can merge.

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Myoldmopar commented May 21, 2025

Alright, good to go in. Thanks @amirroth and @rraustad

@Myoldmopar Myoldmopar merged commit c6e3438 into develop May 21, 2025
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@Myoldmopar Myoldmopar deleted the FixCoilHeatingGasMultiStageReport branch May 21, 2025 17:51
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@rraustad rraustad rraustad approved these changes

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Defect Includes code to repair a defect in EnergyPlus

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EnergyPlus 25.2

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Incorrect Coil Sizing Report for Coil:Heating:Gas:MultiStage

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