[TRNSYS-users] Type 927 WWHP

[David BRADLEY]

Su,
   I think the device that you are trying to model is a heat pump that 
has a variable speed compressor in it. The compressor slows down and 
speeds up in order to maintain the desired outlet temperature. I was 
faced with a similar device this past summer although this one was a 
heat pump water heater (air on the source side, water on the load side). 
I had to modify Type921 to get the part load operation in there. I think 
you would probably have to do the same starting with Type927.
Best,
  David


On 10/11/2012 19:52, Su Huang wrote:
> Dear All,
>
> I am currently simulating GSHP systems, how can I make the type 927 
> Water-water source heat pump part-load operation? Such as the constant 
> load outlet fluid temperature?
>
> Cheers,
> Su
>
> ------------------------------------------------------------------------
> Su Huang
>
> Ph.D Candidate in Sustainable Buildings Research Centre
>
> University of Wollongong
>
> Email: sh377 at uowmail.edu.au <mailto:sh377 at uowmail.edu.au>
>
>
>
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> TRNSYS-users at cae.wisc.edu
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-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
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d.bradley at tess-inc.com

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