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Re: [EnergyPlus_Support] Re: regeneration coil
You will have to upload your file:
http://tech.groups.yahoo.com/group/EnergyPlus_Support/files/_Problem_Submittals/
davide.loba wrote:
>
> There is not any error because I don't insert any regeneration air
> heater under DESICCANT DEHUMIDIFIER section. I would a water coil as
> regeneration coil, not a gas or electric one, and I'm trying a
> different strategy. I "manually" put a water coil just before the
> Desiccant Heat Exchanger, and control it with a CONTROLLER:SIMPLE
> controller and a SCHEDULE:SETPOINT setpoint on air outlet node. Thus,
> I don't get any error, but the coil is always off. Maybe it is not
> possibile to control a coil placed on relief air stream.
> What do you think?
>
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx
> <mailto:EnergyPlus_Support%40yahoogroups.com>, Richard Raustad
> <RRaustad@...> wrote:
> >
> > 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>
> > > <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>
> <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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