[TRNSYS-users] type 665 problem / type 56 output question

[David Bradley]

Dear Guido,

>i am using several type 665 (split system heatpump) in a multizone building.
>Using just one works fine, but adding more for conditioning other zones 
>result in unrealistic energy inputs, though temperatures are right.
>Why is that? Does somebody know how to handle?

   Please contact your distributor regarding the unexpected results from 
Type665. They may need you to send them your project files in order to 
determine what is going on.

>second part is:
>What the difference between the zone outputs TAIR,TSTAR and TOP? All 
>giving the same results to me.

   TAIR is the temperature of a zone air node. TOP is the operative zone 
temperature and is an average of the air node temperature, the inside wall 
surface temperatures. I do not know the exact formula and I do not know if 
TSTAR is also included. TSTAR is the star network temperature - the 
temperature of the air node for radiation exchange calculations.

Kind regards,
   david


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Thermal Energy System Specialists (TESS), LLC
David BRADLEY                           2916 Marketplace Drive - Suite 104
Partner                                        Madison, WI 53719
Phone: (608) 274-2577 USA
Fax: (608) 278-1475
E-mail: bradley at tess-inc.com
Web Pages:  http://www.tess-inc.com     and      http://www.trnsys.com

"Providing software solutions for today's energy engineering projects"
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