<div dir="auto"></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">---------- Forwarded message ---------<br>From: <strong class="gmail_sendername" dir="auto">Hadi Tannous</strong> <span dir="auto"><<a href="mailto:hadieliastannous@gmail.com">hadieliastannous@gmail.com</a>></span><br>Date: Mon, 10 Apr 2023, 11:43<br>Subject: Re: TRNSYS<br>To: Jeff Thornton <<a href="mailto:thornton@tess-inc.com">thornton@tess-inc.com</a>><br></div><br><br><div dir="ltr">Hey Jeff<div>Thanks for the prompt response.</div><div><br></div><div>What I am actually trying to simulate is a PVT system to a multizone building (2 zones) as you cans ee below.</div><div><img src="cid:ii_lganzwpb0" alt="image.png" width="482" height="250"><br></div><div>i have tried running the system for a few days in the winter when heating is required for the building and the PVT goes above 40C. The first picture is for when the heating elements in the tank are off:</div><div><img src="cid:ii_lgao1yk91" alt="image.png" width="482" height="239"><br></div><div><br></div><div>The second is with heating elements in the tank on:</div><div><img src="cid:ii_lgao64ga2" alt="image.png" width="482" height="241"><br></div><div><br></div><div><br></div><div>In both cases, this does not show much effect on the temperature in the building zones (sun zone and back zone:</div><div>With heating elements off:</div><div><img src="cid:ii_lgaoe0dc6" alt="image.png" width="482" height="251"><br></div><div><br></div><div>with heating elements on: </div><div><img src="cid:ii_lgaofhoe8" alt="image.png" width="482" height="251"><br></div><div><br></div><div>Most probably this is because the building temp is initially at 20 (which is also the setpoint) so there is not much heat load. What do you think?</div><div><br></div><div>Kind regards,</div><div>Hadi</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Apr 8, 2023 at 8:05 PM Jeff Thornton <<a href="mailto:thornton@tess-inc.com" target="_blank" rel="noreferrer">thornton@tess-inc.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Have you looked at your system over a day or two to make sure that the energy from the solar system is actually getting into the tank?<br>
<br>
Jeff <br>
<br>
Sent from my iPhone</blockquote></div>
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