I would appreciate a copy of this input file so that we can improve the error
messages for this case. Please upload to the yahoo files area or send as a
zipped attachment to energyplus-support@xxxxxxxx. Thanks!
Mike
On 9 Mar 2005, at 22:32, colotupper wrote:
>
>
>
> I searched the input files and made sure there were no typos - i
> think the error was that I was mixing demand-side components with
> supply-side ones (I thought a boiler could be on the demand side as
> well), and for some reason it didn't reconognize that as the error.
> I never got an errors mentioning invalid equipment configurations -
> just the node connections. And I went through and cut and pasted my
> node names in their respective places to make sure they were typed
> exactly the same.
>
>
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Michael J. Witte"
> <mjwitte@g...> wrote:
> > The "unknown" node errors usually indicate a typo somewhere. The
> component
> > type, component name, inlet node and outlet node must match
> exactly in both the
> > BRANCH object and the compoment object. Search your input file
> for the node
> > names listed in the errors and it should lead you to where the
> problem is.
> >
> > However, if I understand the description below, it sounds like
> this simulation
> > is mixing demand-side components (DOMESTIC HOT WATER and radiant
> hydronic) with
> > supply-side components (boiler). This will not work. Did this
> generate any
> > other error messages such as "invalid equipment type"?
> >
> > Mike
> >
> >
> > On 8 Mar 2005, at 0:02, colotupper wrote:
> >
> > >
> > >
> > > I am trying to run the following setup, but am getting some node
> > > connection errors:
> > >
> > > I have a large water heater on the plant side of a water loop.
> This
> > > water heater is fed by solar collectors and has no backup
> heating
> > > element in it.
> > >
> > > On the demand side of my water loop, I have a splitter that does
> to
> > > DHW and a radiant heatings zone. I would like to have a
> separate
> > > electric boiler for both the DHW and the radiant zone, so I put
> > > these boilers in series on the same branch with the DHW and
> Radiant
> > > system, respectively.
> > >
> > > When I did this, I received node connection errors and the types
> of
> > > my some of those nodes are know unknown. Is there some reason
> why
> > > you can't connect an boiler in series with Non-Zone Equipment
> like
> > > DHW?
> > >
> > > Thank you!
> > >
> > > Kendra Tupper
> > >
> > >
> > >
> > >
> > >
> > > 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 not allowed -- please post any files to the
> appropriate folder
> > > in the Files area of the Support Web Site.
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> >
> >
> >
> > ========================================================
> > Michael J. Witte, GARD Analytics, Inc.
> > EnergyPlus Testing and Support
> > EnergyPlus-Support@g...
>
>
>
>
>
> 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 not allowed -- please post any files to the appropriate folder
> in the Files area of the Support Web Site.
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
>
>
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