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Re: [EnergyPlus_Support] Re: is it possible to model 2 air loops



Is that node name used in the OutdoorAir:Mixer object ? If you can't 
find the error you will have to upload your file so someone can take a 
look at it.

Elreq wrote:
>
> This node is defined in an outisde air node list:
>
> OUTSIDE AIR INLET NODE LIST,
> AHU Outside Air Inlet; !- 1st Node name or node list name
>
> Regards,
> Santiago
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx 
> <mailto:EnergyPlus_Support%40yahoogroups.com>, Richard Raustad
> <RRaustad@...> wrote:
> >
> > Did you define this node as an outdoor air node or list this node in an
> > outdoor air node list ?
> >
> > OutdoorAir:Node,
> > AHU OUTSIDE AIR INLET; !- Name
> >
> > ...or...
> >
> > OutdoorAir:NodeList,
> > OutsideAirInletNodes; !- Node or NodeList Name 1
> >
> > NodeList,
> > OutsideAirInletNodes, !- Name
> > AHU OUTSIDE AIR INLET; !- Node 1 Name
> >
> >
> > Elreq wrote:
> > >
> > > The error is:
> > > Node Connection Error, Node="AHU OUTSIDE AIR INLET", Actuator node did
> > > not find a matching node of appropriate type (other than Actuator,
> > > Sensor, OutsideAir).
> > > ** ~~~ ** Reference Object=CONTROLLER:OUTSIDE AIR, Name=AHU OA
> > > CONTROLLER.
> > >
> > > This controller is for the AHU Loop which was alreay working fine so
> > > when I added the second loop for a special zone I receive this error.
> > >
> > > Thanks.
> > >
> > > --- In EnergyPlus_Support@xxxxxxxxxxxxxxx 
> <mailto:EnergyPlus_Support%40yahoogroups.com>
> > > <mailto:EnergyPlus_Support%40yahoogroups.com>, Richard Raustad
> > > <RRaustad@> wrote:
> > > >
> > > > Yes, you may use more than one air loop. Each air loop must serve
> > > > different zones. What is the strange error ?
> > > >
> > > > Elreq wrote:
> > > > >
> > > > >
> > > > > Dear Forum,
> > > > >
> > > > > I have a similar question,
> > > > >
> > > > > Is it possible to define two air loops but not for the same
> zone: one
> > > > > is for several zones and has reheat coils and the other one is
> for a
> > > > > separate zone only using direct air.
> > > > >
> > > > > I am trying to do it but receive very strange severe errors.
> > > > >
> > > > > Thanks,
> > > > > Santiago
> > > > > --- In EnergyPlus_Support@xxxxxxxxxxxxxxx 
> <mailto:EnergyPlus_Support%40yahoogroups.com>
> > > <mailto:EnergyPlus_Support%40yahoogroups.com>
> > > > > <mailto:EnergyPlus_Support%40yahoogroups.com>, Fred Buhl <wfbuhl@>
> > > > > wrote:
> > > > > >
> > > > > > It is not possible. One airloop, plus as much zone equipment
> as you
> > > > > want.
> > > > > >
> > > > > > Fred Buhl
> > > > > >
> > > > > > D T wrote:
> > > > > > > Does anyone know if it possible to have 2 air loops
> servicing the
> > > > > same
> > > > > > > zone? I currently have one air loop defined for the
> largest zone
> > > > > in my
> > > > > > > facility and am trying to add another one but am trying to
> > > figure out
> > > > > > > how to connect the nodes on the demand side since that is
> where my
> > > > > > > problem lies.
> > > > > > >
> > > > > > > Thanks,
> > > > > > > Dimos
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > > >
> > > >
> > > > --
> > > > Richard A. Raustad
> > > > Senior Research Engineer
> > > > Florida Solar Energy Center
> > > > University of Central Florida
> > > > 1679 Clearlake Road
> > > > Cocoa, FL 32922-5703
> > > > Phone: (321) 638-1454
> > > > Fax: (321) 638-1439 or 1010
> > > > Visit our web site at: http://www.fsec.ucf.edu 
> <http://www.fsec.ucf.edu>
> <http://www.fsec.ucf.edu <http://www.fsec.ucf.edu>>
> > > >
> > > > UCF - From Promise to Prominence: Celebrating 40 Years
> > > >
> > >
> > >
> >
> > --
> > Richard A. Raustad
> > Senior Research Engineer
> > Florida Solar Energy Center
> > University of Central Florida
> > 1679 Clearlake Road
> > Cocoa, FL 32922-5703
> > Phone: (321) 638-1454
> > Fax: (321) 638-1439 or 1010
> > Visit our web site at: http://www.fsec.ucf.edu <http://www.fsec.ucf.edu>
> >
> > UCF - From Promise to Prominence: Celebrating 40 Years
> >
>
> 

-- 
Richard A. Raustad
Senior Research Engineer
Florida Solar Energy Center
University of Central Florida
1679 Clearlake Road
Cocoa, FL  32922-5703
Phone:   (321) 638-1454
Fax:     (321) 638-1439 or 1010
Visit our web site at: http://www.fsec.ucf.edu

UCF - From Promise to Prominence: Celebrating 40 Years



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