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[EnergyPlus_Support] Humidity out of range [1 Attachment]



Dear List- 

For some reason humidity is going over 100% in my models, does anyone have any ideas as to why? (ideally I want to stop the warning, but if I can not then I must be able to explain why it is happening)

Many thanks for any suggestions 

Program Version,EnergyPlus, Version 8.1, YMD=2014.01.07 21:21,IDD_Version 8.1.0.008
   ************* Beginning Zone Sizing Calculations
   ************* Testing Individual Branch Integrity
   ************* All Branches passed integrity testing
   ************* Testing Individual Supply Air Path Integrity
   ************* All Supply Air Paths passed integrity testing
   ************* Testing Individual Return Air Path Integrity
   ************* All Return Air Paths passed integrity testing
   ************* No node connection errors were found.
   ************* Beginning Simulation
   ** Warning ** Calculated Relative Humidity out of range (PsyRhFnTdbWPb)
   **   ~~~   **  Routine=Unknown, Environment=SALT LAKE CITY, at Simulation time=12/31 24:00 - 24:03
   **   ~~~   **  Dry-Bulb= 21.11 Humidity Ratio= 1.600E-002 Calculated Relative Humidity [%]= 101.45
   **   ~~~   ** Relative Humidity being reset to 100.0%
   ************* Simulation Error Summary *************
   *************
   ************* ===== Recurring Error Summary =====
   ************* The following recurring error messages occurred.
   *************
   *************  ** Warning ** Calculated Relative Humidity out of range (PsyRhFnTdbWPb)
   *************  **   ~~~   **   This error occurred 1 total times;
   *************  **   ~~~   **   during Warmup 0 times;
   *************  **   ~~~   **   during Sizing 0 times.
   *************  **   ~~~   **   Max=101.455449 %  Min=101.455449 %
   *************
   ************* EnergyPlus Warmup Error Summary. During Warmup: 0 Warning; 0 Severe Errors.
   ************* EnergyPlus Sizing Error Summary. During Sizing: 0 Warning; 0 Severe Errors.
   ************* EnergyPlus Completed Successfully-- 1 Warning; 0 Severe Errors; Elapsed Time=00hr 39min 13.54sec


Jeremiah D. Crossett  | Senior Analyst  |  Phase Change Energy Solutions
120 E. Pritchard St.  | Asheboro, NC 27203 
 | Mobile 503-688-8951
  





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d:\eudora\attach\NoPCMSLCIAP.idf