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Re: [TRNSYS-users] Heat extarcted from a borhole

Hello Ahlem, 
It is because of your schedules named as SETOFF in building model. Since you created weakly schedule, first day of first year will be Monday. First day of second year will be Tuesday. So heating schedule changes a bit every year. You can see the pattern repeating over every seven years if you do simulation for longer period. To avoid this problem, create yearly schedule. Hope this helps you.

Regards 
Prasanth Subramani 

On Fri, Oct 26, 2018 at 8:40 AM berkane ahlem via TRNSYS-users <trnsys-users@lists.onebuilding.org> wrote:
hello sirs,
 i calculate heat extracted  from a borehole every year within 10 years(87600) i use type 557a, I find
in frist year the heat extracted is (-6824.33kwh) ,decreasing in the
second year  (-6792.33kwh)  and then
increasing in the third year (-6804.004kwh) and decreasing in  the
forth year (-6793.2kwh) while it should decrease every year .I’m
attaching here my project file, can anyone help me to  solve this problem 
Thann you
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