[TRNSYS-users] this is weird about type 927

[Jeff Thornton]

Emre, 

The COP of the heat pump is only a function of the inlet conditions. So
if the COP is changing the inlet conditions are changing. There really
is no other explanation that I can think of. 

Jeff 

---
Jeff Thornton
President - TESS LLC
3 N. Pinckney Street, Suite 202, Madison WI USA 53703
Office: (608) 274-2577 Fax: (608) 278-1475
www.tess-inc.com
E-Mail: thornton at tess-inc.com

On 04/17/2020 1:59 pm, Emre Arpaci via TRNSYS-users wrote: 

> Hi users. 
> I wish you all good health. 
> I have a problem about my heat pump COP 
> I ' m examining the type 927 COP. When ı plot COP between 330h and 390h. The COP is about 3.3 but when i plot the COP between 0-740h. It shows that COP is going about 3.8 why this difference is occurred. I did not change anything 
> only changed the time interval. 
> Thanks 
> Have a good day for you all. 
> 
> Emre. 
> 
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