[EnergyPlus_Support] Re: Error message on flow rate

["zhaicq98" <zhaicq98@xxxxxxxxx>]

Well, I figured this problem out. I did not include the hot and 
chilled water demand bypass branch in the splitter. 


--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "zhaicq98" <zhaicq98@y...> 
wrote:
> I think I have corrected the error in the air loop. I have put the 
> return fan as part of the outside air system. I think it should 
work 
> in this way. However, the water flow rate error remains. I really 
> have no idea what to do with regard to it.
> 
> Thanks,
> Chaoqin
> 
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "zhaicq98" 
<zhaicq98@y...> 
> wrote:
> > Hi, Linda,
> > 
> > Thanks for your response. I have a question regarding the air 
loop 
> > you mentioned. 
> > 
> > I have a supply fan and a return fan in the system. What I did is 
> to 
> > put the supply fan in one branch (main air loop branch), and the 
> > return fan in another (return air branch). The primary air loop 
> > consists of these two branches. I think the outlet from the 
return 
> > air branch is the return air inlet for the outside air system of 
> the 
> > main air loop branch. If this is not the correct way to do it, 
> could 
> > you please let me know what I should do?
> > 
> > Thanks again,
> > Chaoqin
> > 
> > --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Linda Lawrie 
> <linda@l...> 
> > wrote:
> > > See if this further error detection will help you:
> > > 
> > > Program Version,EnergyPlus 1.2.2.033, 7/17/2005 4:28 
> PM,IDD_Version 
> > 1.2.2.033
> > >     ** Warning ** No Controllers for Air System:AHU37 PRIMARY 
AIR 
> > LOOP
> > >     ** Severe  ** Inlet parameters for plant demand side 
splitter 
> > are 
> > > not physically possible
> > >     **   ~~~   ** Problem in input for plant demand side HOT 
> WATER 
> > PLANT LOOP
> > >     **   ~~~   ** The maximum flow out of the splitter [10.45] 
is 
> > > less than the minimum inlet flow [15.86]
> > >     **   ~~~   ** Flow rate inputs for the loop do not match 
flow 
> > > requirements of the various branches/components
> > >     **   ~~~   ** Check your flow rates and make sure that flow 
> > > balances between the splitter inlet and outlets
> > >     **  Fatal  ** EnergyPlus terminated due to reason stated 
above
> > >     ************* Fatal error -- final processing.  More error 
> > > messages may appear.
> > >     ************* Testing Individual Branch Integrity
> > > 
> > > =====> especially this:
> > >     ** Severe  ** Non-unique node name found, name=AHU37 RETURN 
> AIR 
> > INLET
> > >     **   ~~~   ** ..1st occurence in Branch=AHU37 MAIN AIR LOOP 
> > BRANCH
> > >     **   ~~~   ** ..duplicate occurrence in Branch=AHU37 RETURN 
> AIR 
> > BRANCH
> > >     ** Severe  ** Branch(es) did not pass integrity testing
> > > 
> > > 
> > > Linda
> > > 
> > > EnergyPlus WebSite: http://www.energyplus.gov
> > > Owner: EnergyPlus_Support list
> > > Member: EnergyPlus Development Team
> > > 
> > > 
> > > 
> > > [Non-text portions of this message have been removed]




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