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Re: [EnergyPlus_Support] Node Types Undefined

To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: Re: [EnergyPlus_Support] Node Types Undefined
From: "Michael J. Witte" <mjwitte@xxxxxxxx>
Date: Thu, 3 Jul 2003 09:11:06 -0500
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References: <5.1.0.14.2.20030701092004.06c2db78@gold.me.uiuc.edu>
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The objects with node name errors are all object which are placed on 
a BRANCH.  The node errors indicate that the combination of component 
type, component name, inlet node name, and outlet node name as 
specified on the branch does not match the same specifications on the 
component object.  If you work through each object mentioned in the 
errors and compare the object with it's branch, you should be able to 
fix the problems.  If not, please send the input file as a zipped 
attachment to energyplus-support@xxxxxxxx or upload it into the 
problem files area in the yahoo group.

Mike



On 3 Jul 2003, at 1:54, Santiago Torres wrote:

> Thank you very much for your reply. I checked again
> and this was in fact correct in the file. I must have
> made a mistake when posting, I`m sorry.
> Here is a complete list of the warnings I recieve
> (this time it`s correct):
> 
>  ************* All Branches passed integrity testing
>    ** Warning ** Potential Node Connection Error for
> object PIPE, name=COND_BP_HP1
>    **   ~~~   **   Node Types are still UNDEFINED --
> See Branch/Node Details file for further information
>    **   ~~~   **   Inlet Node : COND_BP_HP1_IN
>    **   ~~~   **   Outlet Node: COND_BP_HP1_OUT
>    ** Warning ** Potential Node Connection Error for
> object CHILLER:CONS COP, name=HP2
>    **   ~~~   **   Node Types are still UNDEFINED --
> See Branch/Node Details file for further information
>    **   ~~~   **   Inlet Node : COND_HP2_IN
>    **   ~~~   **   Outlet Node: COND_HP2_OUT
>    ** Warning ** Potential Node Connection Error for
> object PIPE, name=COND_BP_HP2
>    **   ~~~   **   Node Types are still UNDEFINED --
> See Branch/Node Details file for further information
>    **   ~~~   **   Inlet Node : COND_BP_HP2_IN
>    **   ~~~   **   Outlet Node: COND_BP_HP2_OUT
>    ** Warning ** Potential Node Connection Error for
> object PURCHASED:HOT WATER, name=PURCHHW
>    **   ~~~   **   Node Types are still UNDEFINED --
> See Branch/Node Details file for further information
>    **   ~~~   **   Inlet Node : PURCHHW_IN
>    **   ~~~   **   Outlet Node: PURCHHW_OUT
>    ** Warning ** Potential Node Connection Error for
> object COIL:WATER:SIMPLE HEATING, name=AC_HC_NE
>    **   ~~~   **   Node Types are still UNDEFINED --
> See Branch/Node Details file for further information
>    **   ~~~   **   Inlet Node : AC_HC_IN_NE
>    **   ~~~   **   Outlet Node: AC_HC_OUT_NE
>    ** Warning ** Node Connection Error for object
> COIL:WATER:SIMPLEHEATING, name=AC_HC_NE
>    **   ~~~   **   Water Nodes not on any Branch or
> Parent Object
>    **   ~~~   **   Inlet Node : AC_HC_IN_NE
>    **   ~~~   **   Outlet Node: AC_HC_OUT_NE
>    ** Warning ** Node Connection Error for object
> CHILLER:CONST COP, name=HP2
>    **   ~~~   **   Condenser Water Nodes not on any
> Branch or Parent Object
>    **   ~~~   **   Inlet Node : COND_HP2_IN
>    **   ~~~   **   Outlet Node: COND_HP2_OUT
>    ** Warning ** Node Connection Error for object
> PURCHASED:HOT WATER, name=PURCHHW
>    **   ~~~   **   Hot Water Nodes not on any Branch
> or Parent Object
>    **   ~~~   **   Inlet Node : PURCHHW_IN
>    **   ~~~   **   Outlet Node: PURCH_HW_OUT
>    ************* There were 8 node connection errors
> noted.
> 
> ==============================================
> 
> AND in the .bnd file:
> 
>  Component
> Set,19,BRANCH,COND_BP_HP1_BR,PIPE,COND_BP_HP1,COND_BP_HP1_IN,COND_BP_H
> P1_OUT,UNDEFINED ...
>  Component Set,22,BRANCH,COND_HP2_BR,CHILLER:CONS
> COP,HP2,COND_HP2_IN,COND_HP2_OUT,UNDEFINED
>  Component
> Set,23,BRANCH,COND_BP_HP2_BR,PIPE,COND_BP_HP2,COND_BP_HP2_IN,COND_BP_H
> P2_OUT,UNDEFINED ...
>  Component Set,29,BRANCH,PURCHHW_BR,PURCHASED:HOT
> WATER,PURCHHW,PURCHHW_IN,PURCHHW_OUT,UNDEFINED
> ...
>  Component Set,33,BRANCH,AC_HC_BR_NE,COIL:WATER:SIMPLE
> HEATING,AC_HC_NE,AC_HC_IN_NE,AC_HC_OUT_NE,UNDEFINED
>  Component
> Set,34,UNDEFINED,UNDEFINED,COIL:WATER:SIMPLEHEATING,AC_HC_NE,AC_HC_IN_
> NE,AC_HC_OUT_NE,Water Nodes
>  Component Set,35,UNDEFINED,UNDEFINED,CHILLER:CONST
> COP,HP2,COND_HP2_IN,COND_HP2_OUT,Condenser Water Nodes
>  Component Set,36,UNDEFINED,UNDEFINED,PURCHASED:HOT
> WATER,PURCHHW,PURCHHW_IN,PURCH_HW_OUT,Hot Water Nodes
> 
> ==============================================
> 
> Thank very much in advance for your help,
> 
> Santiago Torres
> 
> 
>  --- "Richard J. Liesen" <rliesen@xxxxxxxx> escribió:
> > Hello,
> > This actually looks like you mis-named the chiller
> > component.  The object 
> > name for that chiller is:
> >      CHILLER:CONST COP
> > 
> > I think you are missing the T from CONST.  Change
> > that and see if the error 
> > message changes.
> > 
> > Thanks Richard Liesen
> > 
> > At 04:49 AM 7/1/2003, Santiago Torres wrote:
> > >Hello,
> > >
> > >I am having problems with a simple model I adapted
> > >from the DualDuctConstVolDumper example. The
> > >simulation runs fine but I receive several Warnings
> > >like this:
> > >
> > >** Warning ** Potential Node Connection Error for
> > >object CHILLER:CONS COP, name=HP2
> > >**   ~~~   **   Node Types are still UNDEFINED --
> > See
> > >Branch/Node Details file for further information
> > >**   ~~~   **   Inlet Node : COND_HP2_IN
> > >**   ~~~   **   Outlet Node: COND_HP2_OUT
> > >
> > >and in the .bnd file:
> > >
> > >Component Set,22,BRANCH,COND_HP2_BR,CHILLER:CONS
> > >COP,HP2,COND_HP2_IN,COND_HP2_OUT,UNDEFINED
> > >
> > >Could anyone please explain me what am I doing
> > wrong?
> > >I checked with the exaple file and everything seems
> > >the same, except that I changed the node names (the
> > >exaple file doesn`t produce these warnings). Must
> > the
> > >node names follow some kind of syntax?
> > >Thank you in advance,
> > >
> > >Santiago.
> > >
> > >
> >
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> > >
> > >To unsubscribe from this group, send an email to:
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> > >
> > >The primary EnergyPlus web site is found at:
> > >http://www.energyplus.gov
> > >
> > >The group web site is:
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> > >
> > >Attachments are not allowed -- please post any
> > files to the appropriate 
> > >folder in the Files are of the Support Web Site.
> > >
> > >
> > >
> > >
> > >
> > >
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> > 
> >  
> 
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References:
- Re: [EnergyPlus_Support] Node Types Undefined
  - From: Richard J. Liesen
- Re: [EnergyPlus_Support] Node Types Undefined
  - From: Santiago Torres

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