[EnergyPlus_Support] Re: No water flow with underfloor heating system

["energyplus_problem" <energyplus_problem@xxxxxxxxx>]

That was it! Thank you very much!

Jan

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Pedro Peixeiro <ppeixeiro@...> wrote:
>
> Hi Jan.
> 
> Check you setpoint manager, seems to me you're trying to control the 
> temperature on outletpipe_out to 1ºC by using the Baseboard Operation 
> Schedule. what you need here is a temperature schedule for that node.
> 
> Also, seems to me you try to use the normal setpoints in the zones to 
> control the radiant units. you'll need to do the controlling of each 
> unit on the Heating Control Temperature Schedule Name in each of these 
> objects. Again, you had the Baseboard Operation Schedule, and its 
> expecting a temperature schedule.
> 
> couldnt do a run to confirm that these were the problems. hope it helps.
> 
> Pedro.
> 
> 
> On 25-03-2011 12:20, energyplus_problem wrote:
> >
> > Here is the error file, but there is nothing that has to do with my 
> > problem I think
> >
> > ** Warning ** Site:GroundTemperature:BuildingSurface: Some values fall 
> > outside the range of 15-25C.
> > ** ~~~ ** These values may be inappropriate. Please consult the Input 
> > Output Reference for more details.
> > ** Warning ** Weather file location will be used rather than entered 
> > Location object.
> > ** ~~~ ** ..Location object=SUSTEN
> > ** ~~~ ** ..Weather File Location=Visp Valais CH Custom-67270 WMO#=67270
> > ** ~~~ ** ..due to location differences, Latitude difference=[38.38] 
> > degrees, Longitude difference=[38.79] degrees.
> > ** ~~~ ** ..Time Zone difference=[0.0] hour(s), Elevation 
> > difference=[0.00] percent, [0.00] meters.
> > ** Warning ** GetSolutionAlgorithm: HeatBalanceAlgorithm Algorithm is 
> > Conduction Finite Difference but Number of TimeSteps in Hour < 20, 
> > Value is 6.
> > ** ~~~ ** ...Suggested minimum number of time steps in hour for 
> > Conduction Finite Difference solutions is 20. Errors may occur.
> > ** Warning ** CalcSurfaceCentroid: 3 Surfaces have the Z coordinate < 0..
> > ** ~~~ ** ...in any calculations, Wind Speed will be 0.0 for these 
> > surfaces.
> > ** ~~~ ** ...in any calculations, Outside temperatures will be the 
> > outside temperature + 9.750E-003 for these surfaces.
> > ** ~~~ ** ...that is, these surfaces will have conditions as though at 
> > ground level.
> > ** Warning ** Calculated design cooling load for zone=EG ZONE is zero..
> > ** ~~~ ** Check Sizing:Zone and ZoneControl:Thermostat inputs.
> > ** Warning ** Calculated design cooling load for zone=OG ZONE is zero..
> > ** ~~~ ** Check Sizing:Zone and ZoneControl:Thermostat inputs.
> >
> > --- In EnergyPlus_Support@xxxxxxxxxxxxxxx 
> > <mailto:EnergyPlus_Support%40yahoogroups.com>, Ehsan Baharvand 
> > <ebaharvand@> wrote:
> > >
> > > Hi,
> > >
> > > Did you look in the ERR.file? Are there any errors or warnings?
> > >
> > > Kind regards,
> > > Ehsan
> > >
> > >
> > >
> > >
> >
> >
>




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