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Re: [EnergyPlus_Support] HVACTemplate Packaged VAV with DX Cooling





Hi Ehsan.

Do you have commas in any of the inputs? like in name fields? I once got the same "too many fields" problem when i tried using commas in name fields, this happens because each line of input of the IDF ends with a comma. also avoid using semicolons, which is in the end of each object. If this isnt the problem, you might have to share your file so we can take a look at it.

Pedro.

On 18-04-2011 10:42, Ehsan Baharvand wrote:
 
Dear all,
 
According to the InputOutputReference document (pdf-page 1992 on HVAC Template Objects ) one should be able to model a Packaged variable air volume systems with direct-expansion cooling using HVAC templates objects.
However I get rror messages as you can see below in this mail. The following objects were used:
 
- HVACTemplate: Thermostat
- HVACTemplate:Zone:VAV
- HVACTemplate:System:PackagedVAV
- HVACTemplate:Plant:HotWaterLoop
- HVACTemplate:Plant:Boiler
 
Before I started to model the Packaged VAV with DX, I modeled a very simplified problem where I used simple ideal loads system using the following objects:
- HVACTemplate:thermostat
- HVACTemplate:Zone:IdealLoadsAirSystem
 
This model worked out well and I could get results from it.  The only change I have made developing the new Packaged VAV with DX model was deleting the HVACTemplate:Zone:IdealLoadsAirSystem and introducing new HVACTemplates as shown above.
 
I couldn't get the answer to this problem until now. You may have solved this problem earlier or have heard about it. Please inform me how you think I can solve this!
 
 
I got the following error messages when running this simulation:
 
Program Version,EnergyPlus 6.0.0.023, 18-4-2011 11:28,IDD_Version 6.0.0.023
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object:
   **   ~~~   ** HVACTemplate:System:PackagedVAV
   **   ~~~   ** Number expected=[52]
   **   ~~~   ** Number found=[55]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object:
   **   ~~~   ** HVACTemplate:Plant:HotWaterLoop
   **   ~~~   ** Number expected=[14]
   **   ~~~   ** Number found=[17]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   ** Severe  ** Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   **   ~~~   ** SEVERE: Too many fields were found for the object: HVACTemplate:Zone:VAV
   **   ~~~   **
   **   ~~~   ** Number expected=[26]
   **   ~~~   ** Number found=[27]
   **  Fatal  ** Preprocessor condition(s) cause termination.
   ...Summary of Errors that led to program termination:
   ..... Reference severe error count=18
   ..... Last severe error=Output:PreprocessorMessage="ExpandObjects" has the following Fatal conditions:
   ************* Warning:  Node connection errors not checked - most system input has not been read (see previous warning).
   ************* Fatal error -- final processing.  Program exited before simulations began.  See previous error messages.
   ************* EnergyPlus Warmup Error Summary. During Warmup: 0 Warning; 0 Severe Errors.
   ************* EnergyPlus Sizing Error Summary. During Sizing: 0 Warning; 0 Severe Errors.
   ************* EnergyPlus Terminated--Fatal Error Detected. 0 Warning; 18 Severe Errors; Elapsed Time=00hr 00min  1.70sec
 
 
 
 
 



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