diff --git a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/CoolingOnly/Subsequences/Alarms.mo b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/CoolingOnly/Subsequences/Alarms.mo index 83a27910d4a..cf51ad3c4e0 100644 --- a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/CoolingOnly/Subsequences/Alarms.mo +++ b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/CoolingOnly/Subsequences/Alarms.mo @@ -479,7 +479,7 @@ This is for
  • August 23, 2023, by Jianjun Hu:
    -Added delay staTim to allow the system becoming stablized. +Added delay staTim to allow the system becoming stabilized. This is for issue 3257.
  • diff --git a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctColdDuctMin/Subsequences/Alarms.mo b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctColdDuctMin/Subsequences/Alarms.mo index f3a7b22ddb5..a2597e94dca 100644 --- a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctColdDuctMin/Subsequences/Alarms.mo +++ b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctColdDuctMin/Subsequences/Alarms.mo @@ -657,7 +657,7 @@ This is for
  • August 23, 2023, by Jianjun Hu:
    -Added delay staTim to allow the system becoming stablized. +Added delay staTim to allow the system becoming stabilized. This is for issue 3257.
  • diff --git a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctMixConDischargeSensor/Subsequences/Alarms.mo b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctMixConDischargeSensor/Subsequences/Alarms.mo index 7e9692ba037..60a67d4b420 100644 --- a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctMixConDischargeSensor/Subsequences/Alarms.mo +++ b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctMixConDischargeSensor/Subsequences/Alarms.mo @@ -519,7 +519,7 @@ This is for
  • August 23, 2023, by Jianjun Hu:
    -Added delay staTim to allow the system becoming stablized. +Added delay staTim to allow the system becoming stabilized. This is for issue 3257.
  • diff --git a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctMixConInletSensor/Subsequences/Alarms.mo b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctMixConInletSensor/Subsequences/Alarms.mo index 41fa4b22bfe..b481883f38a 100644 --- a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctMixConInletSensor/Subsequences/Alarms.mo +++ b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctMixConInletSensor/Subsequences/Alarms.mo @@ -657,7 +657,7 @@ This is for
  • August 23, 2023, by Jianjun Hu:
    -Added delay staTim to allow the system becoming stablized. +Added delay staTim to allow the system becoming stabilized. This is for issue 3257.
  • diff --git a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctSnapActing/Subsequences/Alarms.mo b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctSnapActing/Subsequences/Alarms.mo index 841aab89853..3bd0da088ef 100644 --- a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctSnapActing/Subsequences/Alarms.mo +++ b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/DualDuctSnapActing/Subsequences/Alarms.mo @@ -859,7 +859,7 @@ This is for
  • August 23, 2023, by Jianjun Hu:
    -Added delay staTim to allow the system becoming stablized. +Added delay staTim to allow the system becoming stabilized. This is for issue 3257.
  • diff --git a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/ParallelFanCVF/Subsequences/Alarms.mo b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/ParallelFanCVF/Subsequences/Alarms.mo index 607e2aba07d..bccd088fad1 100644 --- a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/ParallelFanCVF/Subsequences/Alarms.mo +++ b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/ParallelFanCVF/Subsequences/Alarms.mo @@ -970,7 +970,7 @@ This is for
  • August 23, 2023, by Jianjun Hu:
    -Added delay staTim to allow the system becoming stablized. +Added delay staTim to allow the system becoming stabilized. This is for issue 3257.
  • diff --git a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/ParallelFanVVF/Subsequences/Alarms.mo b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/ParallelFanVVF/Subsequences/Alarms.mo index e1b4085818f..e3dff4a9dde 100644 --- a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/ParallelFanVVF/Subsequences/Alarms.mo +++ b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/ParallelFanVVF/Subsequences/Alarms.mo @@ -949,7 +949,7 @@ This is for
  • August 23, 2023, by Jianjun Hu:
    -Added delay staTim to allow the system becoming stablized. +Added delay staTim to allow the system becoming stabilized. This is for issue 3257.
  • diff --git a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/Reheat/Subsequences/Alarms.mo b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/Reheat/Subsequences/Alarms.mo index b5194e26117..248b9e756be 100644 --- a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/Reheat/Subsequences/Alarms.mo +++ b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/Reheat/Subsequences/Alarms.mo @@ -819,7 +819,7 @@ This is for
  • August 23, 2023, by Jianjun Hu:
    -Added delay staTim to allow the system becoming stablized. +Added delay staTim to allow the system becoming stabilized. This is for issue 3257.
  • diff --git a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/SeriesFanCVF/Subsequences/Alarms.mo b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/SeriesFanCVF/Subsequences/Alarms.mo index 6b85506e843..05c07e826bd 100644 --- a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/SeriesFanCVF/Subsequences/Alarms.mo +++ b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/SeriesFanCVF/Subsequences/Alarms.mo @@ -950,7 +950,7 @@ This is for
  • August 23, 2023, by Jianjun Hu:
    -Added delay staTim to allow the system becoming stablized. +Added delay staTim to allow the system becoming stabilized. This is for issue 3257.
  • diff --git a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/SeriesFanVVF/Subsequences/Alarms.mo b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/SeriesFanVVF/Subsequences/Alarms.mo index caae4b29095..db9fa2c8321 100644 --- a/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/SeriesFanVVF/Subsequences/Alarms.mo +++ b/Buildings/Controls/OBC/ASHRAE/G36/TerminalUnits/SeriesFanVVF/Subsequences/Alarms.mo @@ -949,7 +949,7 @@ This is for
  • August 23, 2023, by Jianjun Hu:
    -Added delay staTim to allow the system becoming stablized. +Added delay staTim to allow the system becoming stabilized. This is for issue 3257.
  • diff --git a/Buildings/ThermalZones/EnergyPlus_9_6_0/UsersGuide.mo b/Buildings/ThermalZones/EnergyPlus_9_6_0/UsersGuide.mo index c810ca5920d..e47a69b7b36 100644 --- a/Buildings/ThermalZones/EnergyPlus_9_6_0/UsersGuide.mo +++ b/Buildings/ThermalZones/EnergyPlus_9_6_0/UsersGuide.mo @@ -476,21 +476,14 @@ in the same way as a conventional EnergyPlus simulation.
  • -The first day of the simulation is repeated until the minimum and maximum air temperatures -during the warmup day remain nearly the same between two successive iterations. +The first day of the simulation is repeated, but Spawn uses a different criteria for stopping +the iteration compared to a conventional EnergyPlus simulation. In EnergyPlus, the first day is repeated +until the zone air temperature reaches a periodic steady state as indicated by the minimum and maximum temperatures +for the warmup day stablizing. In Spawn, the exit criteria is similarly based on reaching a periodic steady state, +however Spawn exits warmup when the surface temperatures stabilize instead of the air temperature.

  • -

    -The Spawn warmup procedure is still invoked even if there are no unconnected zones defined in the model. -However, in this case the warmup convergence criteria will be met after only two iterations of the warmup day -because all zone temperature and humidity values are fixed to the initial values defined in Modelica. -It is possible for startup transients to still exist after Spawn warmup due thermal mass -in the wall materials not being fully exposed to the surface boundary conditions -defined by the outdoor environment and the initial zone air conditions. -A future enhancement may define a new warmup convergence criteria that takes into account -the internal wall temperatures. -

    ")); end EnergyPlusWarmUp; @@ -616,4 +609,4 @@ Created User's guide. ")); -end UsersGuide; \ No newline at end of file +end UsersGuide; diff --git a/Buildings/package.mo b/Buildings/package.mo index 987fea9ef52..1987fe4ece6 100644 --- a/Buildings/package.mo +++ b/Buildings/package.mo @@ -899,7 +899,7 @@ have been improved in a Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.SeriesFanCVF.Subsequences.Alarms
    Buildings.Controls.OBC.ASHRAE.G36.TerminalUnits.SeriesFanVVF.Subsequences.Alarms - Added delay triggering alarms after enabling AHU supply fan, to allow the system becoming stablized.
    + Added delay triggering alarms after enabling AHU supply fan, to allow the system becoming stabilized.
    This is for issue 3257.