[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[EnergyPlus_Support] Re: Warnings

To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Re: Warnings
From: "eplusven" <eplusven@xxxxxxxx>
Date: Fri, 07 May 2010 15:21:42 -0000
Delivered-to: mailing list EnergyPlus_Support@xxxxxxxxxxxxxxx
Delivery-date: Fri, 07 May 2010 09:22:00 -0600
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoogroups.com; s=lima; t=1273245719; bh=W0B5yweErLvsu2VbvBC8zZCuZTgvT3GVeVVEJW+tl9k=; h=Received:Received:Received:X-Yahoo-Newman-Id:X-Sender:X-Apparently-To:X-Received:X-Received:X-Received:X-Received:X-Received:To:Message-ID:In-Reply-To:User-Agent:X-Mailer:X-Originating-IP:X-Yahoo-Post-IP:From:X-Yahoo-Profile:Sender:MIME-Version:Mailing-List:Delivered-To:List-Id:Precedence:List-Unsubscribe:Date:Subject:Reply-To:X-Yahoo-Newman-Property:Content-Type:Content-Transfer-Encoding; b=t+hKwoBr647kKoVZ6+9/9i8bACa6UoYs724Yf+O0HK89hM0gRNHrGZb8iu1Kc2wY4BA5VD4WNLdlp3sutch4srwuVYI7sPcpMBc3zatbOaUIXpOdpzXRrt0q86nmmI10
Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=lima; d=yahoogroups.com; b=l4pdswtxAJuLwMarsaFANoxwfddmMcyYFkbzbEpYLVXF1cv+vAK+JwmDy3ubIjSAMYwD4qrWb9e0wtPFl/FtcCuHlwpC/VsJZVle2UFYtC7n+R6LLg721I2QSjc0XdZ3;
Envelope-to: linda@xxxxxxxxxxxxxx
In-reply-to: <4BE336BF.5020408@fsec.ucf.edu>
List-id: <EnergyPlus_Support.yahoogroups.com>
List-unsubscribe: <mailto:EnergyPlus_Support-unsubscribe@yahoogroups.com>
Mailing-list: list EnergyPlus_Support@xxxxxxxxxxxxxxx; contact EnergyPlus_Support-owner@xxxxxxxxxxxxxxx
Reply-to: EnergyPlus_Support@xxxxxxxxxxxxxxx
Sender: EnergyPlus_Support@xxxxxxxxxxxxxxx
User-agent: eGroups-EW/0.82

Thanks you Richard. This was actually generated by the template, could you please help me to identify what kind of design conditinos you are referring for a chiller that effects these curves.

Thanks
-Ven 

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Richard Raustad <RRaustad@...> wrote:
>
> Check the performance curve for the Energy input ratio as a function of 
> temperature curve for the chillers. At the design conditions, the output 
> of this curve should be very near 1. It's not off by much, but the 
> coefficients need a slight adjustment.
> 
> 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
> >
> > 
> 
> -- 
> Richard A. Raustad
> Senior Research Engineer
> Florida Solar Energy Center
> University of Central Florida
> 1679 Clearlake Road
> Cocoa, FL  32922-5703
> Phone:   (321) 638-1454
> Fax:     (321) 638-1439 or 1010
> Visit our web site at: http://www.fsec.ucf.edu
> 
> UCF - From Promise to Prominence: Celebrating 40 Years
>




------------------------------------

The primary EnergyPlus web site is found at:
http://www.energyplus.gov

The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/

Attachments are currently allowed but be mindful that not everyone has a high speed connection.  Limit attachments to small files.

EnergyPlus Documentation is searchable.  Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/EnergyPlus_Support/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/EnergyPlus_Support/join
    (Yahoo! ID required)

<*> To change settings via email:
    EnergyPlus_Support-digest@xxxxxxxxxxxxxxx 
    EnergyPlus_Support-fullfeatured@xxxxxxxxxxxxxxx

<*> To unsubscribe from this group, send an email to:
    EnergyPlus_Support-unsubscribe@xxxxxxxxxxxxxxx

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/

Follow-Ups:
- Re: [EnergyPlus_Support] Re: Warnings
  - From: Richard Raustad

References:
- Re: [EnergyPlus_Support] Warnings
  - From: Richard Raustad

Prev by Date: Re: [EnergyPlus_Support] Re:inter-reflections
Next by Date: [EnergyPlus_Support] Re: Warnings
Previous by thread: Re: [EnergyPlus_Support] Warnings
Next by thread: Re: [EnergyPlus_Support] Re: Warnings
Index(es):
- Date
- Thread