<html><head></head><body><div style="font-family: Verdana;font-size: 12.0px;"><div>Dear all,</div>
<div> </div>
<div>I would like to use the function "max heat load calculation" in TNRBuild for a fast comparison</div>
<div>with my manual calculations using the DIN guidelines.</div>
<div> </div>
<div>The usage of the function itself is not the problem, as that is well explained in the manual.</div>
<div>My questions arise after I hit "Run TRNSYS". The simulation time is 744 h and results in</div>
<div>heat loads varying from 6.07 kW to 0.22 kW which leads to the following questions:</div>
<div> </div>
<div>-What is the correct value for the max load or how do I obtain it using the plotted graph or the printed data?</div>
<div>-It seems there is a short attack phase at the beginning, is the max value the first one after the system stabilizes or just the overall highest value?</div>
<div>-What is the general approach behind the calculation or why is there a varying result at all, since (as far as I understand it from the manual) all variables are fixed and hence there should only be a single result?</div>
<div> </div>
<div>As a potentially important side note: The building was created using the wizard for multizone buildings,</div>
<div>with the default options and thus contains the predefined configurations such as "no heating", "no cooling", "no (natural) ventilation" and the LEAKY infiltration type. The initial room temperature is 20°C an it is just a single zone.</div>
<div> </div>
<div>Thanks in advance!</div>
<div> </div>
<div>Regards,</div>
<div>David</div></div></body></html>