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[EnergyPlus_Support] RH out of range and Enthalpy out of range





Hi,

Could anyone give me pointers as to what those errors really mean and where to start to fix them please?

   ** Warning ** Calculated Relative Humidity out of range (PsyRhFnTdbWPb)
   **   ~~~   **  Routine=CalcMultiSpeedDXCoil:lowspeedoutlet, Environment=Newark International Arpt NJ USA TMY3 WMO#=725020, at Simulation time=01/26 15:30 - 15:40
   **   ~~~   **  Dry-Bulb= -21.76 Humidity Ratio= 5.368E-004 Calculated Relative Humidity [%]= 101.36
   **   ~~~   ** Relative Humidity being reset to 100.0%


   ** Warning ** Enthalpy out of range (PsyTsatFnHPb)
   **   ~~~   **  Routine=CalcMultiSpeedDXCoil:newdewpointconditions,
   **   ~~~   **  Environment=Newark International Arpt NJ USA TMY3 WMO#=725020, at Simulation time=04/13 15:40 - 15:50
   **   ~~~   **  Enthalpy=-44323.75813 Pressure= 102900.00
   **   ~~~   **  Initial Resultant Temperature= -59.98



I'm getting a lot of these in my annual simulation, as seen in the recurring error summary.

   *************  ** Warning ** Calculated Relative Humidity out of range (PsyRhFnTdbWPb)
   *************  **   ~~~   **   This error occurred 347184 total times;
   *************  **   ~~~   **   during Warmup 0 times;
   *************  **   ~~~   **   during Sizing 0 times.
   *************  **   ~~~   **   Max=201.056045 %  Min=101.000023 %
   *************
   *************
   *************  ** Warning ** Enthalpy out of range (PsyTsatFnHPb)
   *************  **   ~~~   **   This error occurred 37304 total times;
   *************  **   ~~~   **   during Warmup 0 times;
   *************  **   ~~~   **   during Sizing 0 times.
   *************  **   ~~~   **   Max=-42408.777137 J/kg  Min=-44428.173269 J/kg


Thanks,
Julien
--
Julien Marrec, EBCP, BPI MFBA
Energy&Sutainability Engineer
T: +33 6 95 14 42 13
www.julienmarrec.com

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Posted by: Julien Marrec <julien.marrec@xxxxxxxxx>


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