[EnergyPlus_Support] Re: water heater source side capabilities

["chudson416" <2hr@xxxxxxxx>]

Thanks, Mike.  Creating a single branch worked.  

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Michael J. Witte" 
<mjwitte@...> wrote:
>
> No, a bypass is not required.  You say the "branches" (plural) 
pass integrity 
> testing.  If you have the pump, the water heater and the pipe on 
separate 
> branches, do you have a splitter connecting the inlet branch to 
the water 
> heater branch?  And a mixer connecting the water heater branch to 
the exit pipe 
> branch?  If not, this is most likely the source of the errors.
> 
> An alternative approach is to place the pump and the water heater 
on a single 
> branch (see example file TRHConstFlowChillerOneBranch.idf for a 
similar case 
> with a chiller and pump).
> 
> Mike
> 
> 
> On 11 Sep 2006 at 19:05, chudson416 wrote:
> 
> > Must the source side of a water heater:mixed necessarily have a 
> > bypass?  I am trying to model the supply side a heat recovery 
loop 
> > with a pump (as the supply inlet branch), a water heater (source 
> > side), and an exit pipe.  Although the branches pass integrity 
> > testing, I receive a node connection error at the water heater 
inlet 
> > node with the statement that the inlet node did not find an 
> > appropriate matching "outlet" node.  Same is true for the supply 
exit 
> > pipe.  In the supply side of the loop, I have 15 m/s flow in and 
0 m/s 
> > flow out.  Any suggestions would be appreciated!
> > 
> > 
> > 
> > 
> > 
> > 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.
> > 
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and press the
> > "search" button.
> >  
> > Yahoo! Groups Links
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> 
> 
> ========================================================
> Michael J. Witte, GARD Analytics, Inc.
> EnergyPlus Testing and Support      
> EnergyPlus-Support@...
>






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