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[EnergyPlus_Support] Re: Air primary loop has no air flow?????
There is another problem.When i don't set condenser loop temp
setpoint,there will be a warning.But i found that in the example
itself,it doesn't set it yet and there is no warning.why???
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "hbn_pch" <hbn_pch@y...>
wrote:
>
> Hi,
> Thank you very much,Mike.According to your hint,i modify the
> example and the previous problem is cleared away.However,it appear
> new warnings,which are all the same:
>
> ** Warning ** Error -- Mass Flow Rate Calculation in Plant
> Loop=HEATING LOOP, Outlet and Inlet differ by more than tolerance.
> ** ~~~ ** Loop inlet node=HP INLET,
> flowrate=1.142157060549204E-002
> ** ~~~ ** Loop outlet node=PS_H_OP_OUTLET,
> flowrate=2.284314121098408E-002
>
> ** Warning ** Error -- Mass Flow Rate Calculation in Plant
> Loop=HEATING LOOP -- continues ** 500
> ** Warning ** Error -- Mass Flow Rate Calculation in Plant
> Loop=HEATING LOOP -- continues ** 1000
> ** Warning ** Error -- Mass Flow Rate Calculation in Plant
> Loop=COOLING LOOP -- continues ** 1500
> ** Warning ** Error -- Mass Flow Rate Calculation in Plant
> Loop=COOLING LOOP -- continues ** 2000
> ** Warning ** Error -- Mass Flow Rate Calculation in Plant
> Loop=COOLING LOOP -- continues ** 2500
>
> ** Warning ** SimHVAC: Maximum iterations exceeded for all HVAC
> loops, at SUMMER DESIGN, 07/21 08:36 - 08:37
> ** Warning ** SimHVAC: Maximum iterations exceeded for all HVAC
> loops, at SUMMER DESIGN, 07/21 08:37 - 08:38
>
> Expect your kind reply,thanks!
>
>
>
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Michael J. Witte"
> <mjwitte@g...> wrote:
> > In the <Zone Sizing Information> report in the eio output file,
all
> of the zone
> > design loads are zero. This usually indicates a problem with the
> thermostat
> > inputs. The Zone_control_type_day schedule is incorrect. It it
> always 0.044,
> > which is interpreted as zero which means no heating or cooling is
> active. This
> > schedule should only contain integer values from 0 to 4. See the
> section about
> > Zone Control:Thermostatic in the Input Output Reference (p. 659,
> pdf p. 689)
> > for an explanation of the thermostat control type schedule.
> >
> > Mike
> >
> > On 29 Nov 2004, at 2:38, hbn_pch wrote:
> >
> > >
> > >
> > > Hi,
> > > i just simulate a story buinding.But it tells me that the air
> > > primary loop has no air flow???Why???
> > > Is the loop connection false???I've uploaded my idf.
> > >
> > > Thanks for all your kind help!!!!!
> > >
> > >
> > >
> > >
> > >
> > >
> > > 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...
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