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[EnergyPlus_Support] Re: Warnings

To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Re: Warnings
From: "jeannieboef" <jeannieboef@xxxxxxxxx>
Date: Fri, 07 May 2010 09:24:11 -0000
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looks like the equipment is trying to work outside of appropriate opperating conditions for the size and type selected. could you select a different size or type or is your sizing auto?

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "eplusven" <eplusven@...> wrote:
>
> Hi All,
> 
> I am getting the following warnigns and they are happening repeatedly. Please help, how can I fix these
> 
> Thanks
> -ven
> 
> Program Version,EnergyPlus 4.0.0.024, 5/5/2010 6:24 PM,IDD_Version 4.0.0.024
>    ************* Beginning Zone Sizing Calculations
>    ** Warning ** Energy input ratio as a function of temperature curve output is not equal to 1.0
>    **   ~~~   ** (+ or - 10%) at reference conditions for Chiller:Electric:EIR= CHILLER2
>    **   ~~~   ** Curve output at reference conditions = 1.136
>    ** Warning ** Energy input ratio as a function of temperature curve output is not equal to 1.0
>    **   ~~~   ** (+ or - 10%) at reference conditions for Chiller:Electric:EIR= CHILLER3
>    **   ~~~   ** Curve output at reference conditions = 1.136
>    ** Warning ** Energy input ratio as a function of temperature curve output is not equal to 1.0
>    **   ~~~   ** (+ or - 10%) at reference conditions for Chiller:Electric:EIR= CHILLER1
>    **   ~~~   ** Curve output at reference conditions = 1.136
>    ************* Beginning System Sizing Calculations
>    ************* Beginning Plant Sizing Calculations
>    ** Warning ** In calculating the design coil UA for Coil:Cooling:Water AHU COOLING COIL
>    **   ~~~   ** no apparatus dew-point can be found for the initial entering and leaving conditions;
>    **   ~~~   ** the coil bypass factor is unrealistically large;
>    **   ~~~   ** the coil outlet design conditions will be changed to correct the problem.
>    **   ~~~   ** The initial design conditions are: Tair,in = 25.94
>    **   ~~~   **                                    Wair,in = 8.7981E-003
>    **   ~~~   **                                    Twater,in = 5.00
>    **   ~~~   **                                    Tair,out = 24.00
>    **   ~~~   **                                    Wair,out = 8.0000E-003
>    **   ~~~   ** The revised design conditions are: Tair,out = 22.26
>    **   ~~~   **                                    Wair,out = 8.6981E-003
>    ************* 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.
>    ** Warning ** SimHVAC: Maximum iterations (20) exceeded for all HVAC loops, at NEXTDAYSIM, 04/01 18:00 - 18:15
>    **   ~~~   ** SimFlags=[TFFFFFFF] AirLoops[T],ZoneEq[F],NonZoneEq[F],PlantLoops[F],CondLoops[F],ElecCircuits[F],PlantDemandLoops[F],CondDemandLoops[F]..F=ok,T=fail
>    **   ~~~   ** HVAC Tolerance Flags=[1000011] Enthalpy[1],MassFlow[0],HumRat[0],Pressure[0],FlowQual[0],Energy[1],Temp[1]..0=ok,1=fail
>    **   ~~~   ** HVAC Tolerance Values, Most Recent listed first
>    **   ~~~   ** HVAC EnthalpyTol=1677.584, MassFlowTol=0.000, HumRatTol=8.5924E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=805987.293, TempTol=1.67
>    **   ~~~   ** HVAC side outlet node=[425 - ZONE EQUIPMENT OUTLET NODE]
>    **   ~~~   ** HVAC EnthalpyTol=1677.584, MassFlowTol=0.000, HumRatTol=8.5924E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=805987.293, TempTol=1.67
>    **   ~~~   ** HVAC side outlet node=[1 - AHU SYS 1 OUTLET NODE]
>    **   ~~~   ** HVAC EnthalpyTol=1681.996, MassFlowTol=0.000, HumRatTol=8.6150E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=808106.990, TempTol=1.67
>    **   ~~~   ** HVAC side outlet node=[425 - ZONE EQUIPMENT OUTLET NODE]
>    **   ~~~   ** HVAC EnthalpyTol=1681.996, MassFlowTol=0.000, HumRatTol=8.6150E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=808106.990, TempTol=1.67
>    **   ~~~   ** HVAC side outlet node=[1 - AHU SYS 1 OUTLET NODE]
>    **   ~~~   ** HVAC EnthalpyTol=1686.419, MassFlowTol=0.000, HumRatTol=8.6376E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=810232.262, TempTol=1.67
>    **   ~~~   ** HVAC side outlet node=[425 - ZONE EQUIPMENT OUTLET NODE]
>    **   ~~~   ** Plant Tolerance Flags=[00000000] Enthalpy[0],MassFlow[0],HumRat[0],Pressure[0],FlowQual[0],Energy[0],Temp[0],PlantFlowMassFlow[0]..0=ok,1=fail
>    **   ~~~   ** Plant Tolerance Values, Most Recent listed first
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[290 - CHILLER1 CHW DEMAND OUTLET]
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[262 - HWLFORFANCOILS HW DEMAND OUTLET]
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[285 - CHILLER1 CHW DEMAND INLET]
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[257 - HWLFORFANCOILS HW DEMAND INLET]
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[290 - CHILLER1 CHW DEMAND OUTLET]
>    **   ~~~   ** Plant Flow Tolerance Values, Most Recent listed first
>    **   ~~~   ** PlantFlowFlowTol=0.000
>    **   ~~~   ** PlantFlowFlowTol=0.000
>    **   ~~~   ** PlantFlowFlowTol=203.720
>    **   ~~~   ** PlantFlowFlowTol=0.000
>    **   ~~~   ** PlantFlowFlowTol=0.000
>    ** Warning ** SimHVAC: Maximum iterations (20) exceeded for all HVAC loops, at NEXTDAYSIM, 04/01 18:00 - 18:01
>    **   ~~~   ** SimFlags=[TFFFFFFF] AirLoops[T],ZoneEq[F],NonZoneEq[F],PlantLoops[F],CondLoops[F],ElecCircuits[F],PlantDemandLoops[F],CondDemandLoops[F]..F=ok,T=fail
>    **   ~~~   ** HVAC Tolerance Flags=[1000011] Enthalpy[1],MassFlow[0],HumRat[0],Pressure[0],FlowQual[0],Energy[1],Temp[1]..0=ok,1=fail
>    **   ~~~   ** HVAC Tolerance Values, Most Recent listed first
>    **   ~~~   ** HVAC EnthalpyTol=1664.041, MassFlowTol=0.000, HumRatTol=6.2533E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=799499.376, TempTol=1.65
>    **   ~~~   ** HVAC side outlet node=[425 - ZONE EQUIPMENT OUTLET NODE]
>    **   ~~~   ** HVAC EnthalpyTol=1664.041, MassFlowTol=0.000, HumRatTol=6.2533E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=799499.376, TempTol=1.65
>    **   ~~~   ** HVAC side outlet node=[1 - AHU SYS 1 OUTLET NODE]
>    **   ~~~   ** HVAC EnthalpyTol=1668.417, MassFlowTol=0.000, HumRatTol=6.2698E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=801601.941, TempTol=1.66
>    **   ~~~   ** HVAC side outlet node=[425 - ZONE EQUIPMENT OUTLET NODE]
>    **   ~~~   ** HVAC EnthalpyTol=1668.417, MassFlowTol=0.000, HumRatTol=6.2698E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=801601.941, TempTol=1.66
>    **   ~~~   ** HVAC side outlet node=[1 - AHU SYS 1 OUTLET NODE]
>    **   ~~~   ** HVAC EnthalpyTol=1672.805, MassFlowTol=0.000, HumRatTol=6.2862E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=803710.036, TempTol=1.66
>    **   ~~~   ** HVAC side outlet node=[425 - ZONE EQUIPMENT OUTLET NODE]
>    **   ~~~   ** Plant Tolerance Flags=[00000000] Enthalpy[0],MassFlow[0],HumRat[0],Pressure[0],FlowQual[0],Energy[0],Temp[0],PlantFlowMassFlow[0]..0=ok,1=fail
>    **   ~~~   ** Plant Tolerance Values, Most Recent listed first
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[290 - CHILLER1 CHW DEMAND OUTLET]
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[262 - HWLFORFANCOILS HW DEMAND OUTLET]
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[285 - CHILLER1 CHW DEMAND INLET]
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[257 - HWLFORFANCOILS HW DEMAND INLET]
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[290 - CHILLER1 CHW DEMAND OUTLET]
>    **   ~~~   ** Plant Flow Tolerance Values, Most Recent listed first
>    **   ~~~   ** PlantFlowFlowTol=0.000
>    **   ~~~   ** PlantFlowFlowTol=0.000
>    **   ~~~   ** PlantFlowFlowTol=0.000
>    **   ~~~   ** PlantFlowFlowTol=0.000
>    **   ~~~   ** PlantFlowFlowTol=203.720
>    ** Warning ** SimHVAC: Maximum iterations (20) exceeded for all HVAC loops, at NEXTDAYSIM, 04/01 18:01 - 18:02
>    **   ~~~   ** SimFlags=[TFFFFFFF] AirLoops[T],ZoneEq[F],NonZoneEq[F],PlantLoops[F],CondLoops[F],ElecCircuits[F],PlantDemandLoops[F],CondDemandLoops[F]..F=ok,T=fail
>    **   ~~~   ** HVAC Tolerance Flags=[1000011] Enthalpy[1],MassFlow[0],HumRat[0],Pressure[0],FlowQual[0],Energy[1],Temp[1]..0=ok,1=fail
>    **   ~~~   ** HVAC Tolerance Values, Most Recent listed first
>    **   ~~~   ** HVAC EnthalpyTol=1663.649, MassFlowTol=0.000, HumRatTol=4.5510E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=799325.284, TempTol=1.65
>    **   ~~~   ** HVAC side outlet node=[425 - ZONE EQUIPMENT OUTLET NODE]
>    **   ~~~   ** HVAC EnthalpyTol=1663.649, MassFlowTol=0.000, HumRatTol=4.5510E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=799325.284, TempTol=1.65
>    **   ~~~   ** HVAC side outlet node=[1 - AHU SYS 1 OUTLET NODE]
>    **   ~~~   ** HVAC EnthalpyTol=1668.024, MassFlowTol=0.000, HumRatTol=4.5630E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=801427.341, TempTol=1.66
>    **   ~~~   ** HVAC side outlet node=[425 - ZONE EQUIPMENT OUTLET NODE]
>    **   ~~~   ** HVAC EnthalpyTol=1668.024, MassFlowTol=0.000, HumRatTol=4.5630E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=801427.341, TempTol=1.66
>    **   ~~~   ** HVAC side outlet node=[1 - AHU SYS 1 OUTLET NODE]
>    **   ~~~   ** HVAC EnthalpyTol=1672.410, MassFlowTol=0.000, HumRatTol=4.5750E-008, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=803534.926, TempTol=1.66
>    **   ~~~   ** HVAC side outlet node=[425 - ZONE EQUIPMENT OUTLET NODE]
>    **   ~~~   ** Plant Tolerance Flags=[00000000] Enthalpy[0],MassFlow[0],HumRat[0],Pressure[0],FlowQual[0],Energy[0],Temp[0],PlantFlowMassFlow[0]..0=ok,1=fail
>    **   ~~~   ** Plant Tolerance Values, Most Recent listed first
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[290 - CHILLER1 CHW DEMAND OUTLET]
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[262 - HWLFORFANCOILS HW DEMAND OUTLET]
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[285 - CHILLER1 CHW DEMAND INLET]
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[257 - HWLFORFANCOILS HW DEMAND INLET]
>    **   ~~~   ** Plant EnthalpyTol=0.000, MassFlowTol=0.000, HumRatTol=0.0000, PressureTol=0
>    **   ~~~   **      FlowQualTol=0.00, EnergyTol=0.000, TempTol=0.00
>    **   ~~~   ** Plant side outlet node=[290 - CHILLER1 CHW DEMAND OUTLET]
>    **   ~~~   ** Plant Flow Tolerance Values, Most Recent listed first
>    **   ~~~   ** PlantFlowFlowTol=0.000
>    **   ~~~   ** PlantFlowFlowTol=203.720
>    **   ~~~   ** PlantFlowFlowTol=0.000
>    **   ~~~   ** PlantFlowFlowTol=0.000
>    **   ~~~   ** PlantFlowFlowTol=0.000
>




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