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[EnergyPlus_Support] Re: LowTemperatureRadiant:VariableFlow No HVAC Energy Use





Here are the warnings that I’m receiving

  ************* 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 ** Enthalpy out of range (PsyTsatFnHPb)

   **   ~~~   **  Routine=CalcDoe2DXCoil, Environment=SACRAMENTO EXEC AP CA 1952 SQFT, at Simulation time=01/01 15:00 - 16:00

   **   ~~~   **  Enthalpy=-45367.04440 Pressure= 102700.00

   **   ~~~   **  Initial Resultant Temperature= -59.98

   ** Warning ** Temperature out of range [-100. to 200.] (PsyPsatFnTemp)

   **   ~~~   **  Routine=PsyWFnTdbTwbPb, Environment=SACRAMENTO EXEC AP CA 1952 SQFT, at Simulation time=01/05 12:00 - 13:00

   **   ~~~   **  Input Temperature=-193.92

   ** Warning ** GetSpecificHeatGlycol: Temperature is out of range (too high) for fluid specific heat **

   **   ~~~   ** ..Called From:UpdateSolarCollector Fluid name =WATER,Temperature=129.95

   **   ~~~   **  Environment=SACRAMENTO EXEC AP CA 1952 SQFT, at Simulation time=01/19 11:00 - 12:00

   ** Warning ** Coil:WaterHeating:AirToWaterHeatPump "HPWH BOTTOM COIL" - Air volume flow rate per watt of rated total water heating capacity is out of range at 8.07E-005 m3/s/W.

   **   ~~~   **  Environment=SACRAMENTO EXEC AP CA 1952 SQFT, at Simulation time=01/20 10:00 - 11:00

   **   ~~~   ** Expected range for VolumeFlowPerRatedTotalCapacity=[2.684E-005--8.056E-005]

   **   ~~~   ** Possible causes may be that the parent object is calling for an actual supply air flow rate that is much higher or

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Attachment not found:
d:\eudora\attach\LowTemp_Radiant_Hydronic.idf