Invalid FluidSys property type in CBECC-Com v3

asked 2015-08-07 11:14:13 -0500

updated 2015-08-07 11:14:55 -0500

I'm running a model using the NewEnvelopeAndLighting compliance type to test the geometry and am getting the following error in CBECC-Com v3. The model does not have any HVAC systems and certainly doesn't have solar hot water so I'm at a loss for why a solar fraction error is occurring.

Error: Retrieving data from model 0 (invalid FluidSys property type (USER model, class 43, property type 2, iError 0)) in GetBEMProcData() evaluating rule: Set SIZING_PROPOSED FluidSys:AnnualSolFrac (80:'HVACPrimary-General.rule' line 857)

The rule file block from the error message, line 857 is SIZING PROPOSED.

// ---------- Annual Solar Fraction for Water Heaters --------------
RULE FluidSys:AnnualSolFrac
  DESCRIPTION
    "This Annual Solar Fraction used for Water Heaters."
  HELP
    ""
  REFERENCE 
    ACM-5.9.1 Water Heating
  INPUTCLASS
    Optional
  MINIMUM
    0
  MAXIMUM
    1
  DEFAULT
    if( FluidSys:Type = "ServiceHotWater" )
    then 0
    else UNDEFINED
    endif
  SIZING_PROPOSED
    if( u:FluidSys:Type = "ServiceHotWater" )
    then u:AnnualSolFrac
    else UNDEFINED
    endif
  SIZING_BASELINE
    UNDEFINED
  ANNUAL
    z:AnnualSolFrac
ENDRULE
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Comments

The model ran without errors in v3c, so this is likely a bug in CBECC-Com v3.

MatthewSteen gravatar imageMatthewSteen ( 2015-08-07 14:47:11 -0500 )edit