Re: [EnergyPlus_Support] Re: regeneration coil

[Richard Raustad <RRaustad@xxxxxxxxxxxx>]

The desiccant dehumidifier only allows an electric or gas heating coil 
in the regeneration air stream. Without one of these heating coil types, 
you should get an error. Is there any errors in the err file?

davide.loba wrote:
>
> Thank you Richard for your reply.
> I have already "listed" the coil in the OUTSIDE AIR SYSTEM EQUIPMENT,
> as last component, but I have the same problem. Also the schedules
> seem to be ok.
> Have you got another advice?
> Loba
>
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx 
> <mailto:EnergyPlus_Support%40yahoogroups.com>, Richard Raustad
> <RRaustad@...> wrote:
> >
> > Did you "list" the HW coil type and name in the Outside Air System
> object?
> > You would also want the HW coil to turn on only when the desiccant
> > system is on. The only way I can think of is to manually create an
> > availability schedule for the HW coil based on the times when the
> > desiccant system operates.
> >
> > davide.loba wrote:
> > >
> > > Hi all,
> > >
> > > I have a problem with a desiccant dehumidifier, placed in the
> outside
> > > air system. I need to simulate a hot water coil as regeneration
> air
> > > heater, instead of a gas coil. To do that, I left blank the fields
> > > about the regeneration air heater in DESICCANT DEHUMIDIFIER
> object, and
> > > I put a COIL:Water:SimpleHeating coil in the outside air system.
> To
> > > control it, I use a CONTROLLER:SIMPLE controller, with the air
> outlet
> > > node as control_node, and water inlet node as actuator_node.
> There is a
> > > SET POINT:MANAGER:SCHEDULED fixed setpoint temperature (70°C) on
> air
> > > outlet node.
> > > The simulation ends correctly, without any severe error, but the
> > > regeneration coil doesn't work: "total water heating coil rate" is
> > > always 0.
> > > Is it possibile to simulate this type of system?
> > >
> > > Thanks in advance for your help.
> > >
> > > Loba
> > >
> > >
> >
> > --
> > 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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