<div dir="ltr"><div>Dear John,</div><div> </div><div>Thank you very much for your response. I will do that. I have one more question regarding this topic. If I turn the terminal units of the periphery zones to Series/Parallel PIU and pull the air into these periphery zones from a core zone (by selecting the core zone for the Air From Zone field), would it be sufficient to model the PIU system correctly? Or, does the building have to have a plenum for the PIU system to be modeled correctly? Would you please let me know? The file runs with or without a return plenum, so I could not be sure.</div>
<div> </div><div>Thanks,</div><div>Best Regards,</div><div>Simge Andolsun, PhD. </div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Feb 20, 2014 at 2:12 PM, Grando, John <span dir="ltr"><<a href="mailto:JGrando@cosentini.com" target="_blank">JGrando@cosentini.com</a>></span> wrote:<br>
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<p class="MsoNormal">It would help to get the BEPS/BEPU/PSE reports to see where the decrease is coming from. However, there are a few standard things that lead to this problem. You may want to check that if you have any SET-DEFAULTS defined for VAV, they
will not apply to the PIU system when you switch over so you should check the actual model files for each run to make sure the inputs are the same. You can easily do this by taking the parametric .inp and saving it as a different file and opening it.<u></u><u></u></p>
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