Re: [EnergyPlus_Support] COP OF HEAT PUMP

[shaheen asif <aali_asif@xxxxxxxxx>]

I would love to inform you about the system but since we are in non disclosure agreement with the supplier so I would not be able to give much information now but may be in few months we will all know about that system.

Richard Raustad <RRaustad@xxxxxxxxxxxx> wrote:          I'd like to know more about that system. Please provide more info.

shaheen asif wrote:
>
> Actually I know their is a manufacturer who is claiming to have COP of 
> heat pump greater than 10. For one our project we used his equipment 
> and for LEED Canada modelling we are not able to define more than 10 
> so we need to do some work around in DOE 2.1.
>
> Richard Raustad <RRaustad@xxxxxxxxxxxx 
> <mailto:RRaustad%40FSEC.UCF.EDU>> wrote: The maximum is only limited 
> by available technology (or what you think
> you might be able to design/build using advanced technology). COP =
> Output (W)/Input (W). EER = Output (Btu/hr)/Input (W). A COP of 10 is
> equivalent to a heat pump EER of 34 (Watts * 3.413 Btu/hr/Watt) which is
> not currently available with todays technology. Your maximum for heat
> pump's in E+ should be from 3 (nominal efficiency) to 6 (very very
> efficient).
>
> shaheen asif wrote:
> >
> > Is there is any maximum limit for defining COP value of heat pump? How
> > system calculates.I am EE4 software in which i can define maximum COP
> > value of 10. So I am trying find what is the limitation in Energyplus
> > software.
> >
> > Thanks.
> >
> > Shaheen
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
>
> -- 
> 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
>
> [Non-text portions of this message have been removed]
>
> 

-- 
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



                           

       

[Non-text portions of this message have been removed]


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