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Heat recovery from multi-speed dx coil does not appear to balance with water heater source energy #5516

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mjwitte opened this issue Mar 2, 2016 · 3 comments
Closed
3 tasks done

Heat recovery from multi-speed dx coil does not appear to balance with water heater source energy #5516

mjwitte opened this issue Mar 2, 2016 · 3 comments
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mjwitte commented Mar 2, 2016 •
edited by rraustad
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Issue overview

Noticed while reviewing #5471 that DXAC HEAT PUMP 1:Unitary System Heat Recovery Rate [W] is significantly higher than BIG WATER HEATER:Water Heater Source Side Heat Transfer Rate [W]. Expected these to be the same (plus pump heat) since these are the only two components on the heat recovery loop in this test file.

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  • Defect file added
  • Ticket added to Pivotal for defect (development team task)
  • Pull request created (the pull request will have additional tasks related to reviewing changes that fix this defect)
@mjwitte mjwitte mentioned this issue Mar 2, 2016
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See PR #5724

nrel-bot-3 referenced this issue Jun 13, 2016
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Initial attempt at correcting demand/supply differences in heat transfer
bd1109e
rraustad added a commit that referenced this issue Jun 14, 2016
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Merge branch 'develop' of https://github.com/NREL/EnergyPlus into #5516…
11bf120 
…-Heat-recovery-from-multi-speed-dx-coil-does-not-appear-to-balance-with-water-heater-source-energy
@rraustad rraustad self-assigned this Jun 15, 2016
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mjwitte commented Jun 15, 2016

@rraustad As we discussed on the call, perhaps this is impacted by #4188?

@EnergyArchmage EnergyArchmage mentioned this issue Jun 28, 2016
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Myoldmopar added a commit that referenced this issue Jul 29, 2016
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Merge pull request #5724 from NREL/#5516-Heat-recovery-from-multi-spe…
22ec471 
…ed-dx-coil-does-not-appear-to-balance-with-water-heater-source-energy

Correct UnitarySystem and Multispeed Heat Pump heat recovery calculation to honor maximum outlet temperature
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Closed via #5724

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