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Re: [TRNSYS-users] Abouth Typ557



Cathy,

We are in the process of re-writing 557 to be able to be used more than once in a simulation. In the meantime, we do have a second version of type 557 recoded with a different name and number that allows you to use two of them in a simulation. They will not interact thermally but it does allow you to have two separate borefields. Let me know if you are interested.

Jeff

---
Jeff Thornton
President - TESS LLC
22 N. Carroll Street, Madison WI USA 53703
Office: (608) 274-2577  Fax: (608) 278-1475
www.tess-inc.com
E-Mail: thornton@tess-inc.com


On 06/13/2012 2:52 am, a8304506@graduate.hku.hk wrote:
Hello, Cathy.

You cannot have more than one Type557 in one project.  Moreover, the
model used
in Type557 assumes that all boreholes function simultaneously.
Hence, you have
to try by other means.

Best Regards
LEE, Chun Kwong
University of Hong Kong

Quoting sun liang <liangliang3184@yahoo.com.cn>:

Hello Trnsys users:
&#65533;
I�want to evaluate the�energy performance and control strategies of �a ground source heat pump system. In this system, the ground heat exchangers are divided into to two subregions.&#65533; When the cooling load is less than the
half
of the designed cooling load, the ground heat exchangers of one subregion�are uesd to providd cold water. And the ground heat exchangers of the other sunregion do not work. While in the hottest period, all the ground heat exchangers of two subregions need to work together.&#65533; So I need two
models of
Type557 to simulate the energy perfomance of ground heat exchangers of two subregions.&#65533; However, the Trnsys project with two modules of Type557
can not
work. The error is listed as follows:
&#65533;&#65533;&#65533; Generated by Type&#65533;&#65533;&#65533;&#65533;
:&#65533;&#65533; 557
&#65533;&#65533;&#65533; TRNSYS Message&#65533;&#65533;&#65533; 103 : The
TRNSYS TYPE checking routine has found an
inconsistency in the specified component between the input file and the
information expected by the Type
&#65533;&#65533;&#65533; Reported information&#65533; : The maximum number of
occurences of this
component model in a TRNSYS input file has been exceeded.
&#65533;
I want to know how I can do to deal with this problem. I am looking forward
to your reply. Thank you very much.
&#65533;
Best regards,
Cathy