<div>If you look at the SS-L report, you'll notice that the fan is actually operating at full volume ~ 94% of the time, and between 90 and 100% capacity for the other hours. Then, if you look at the SS-R report, you'll notice that the number of hours where heating is at 0 -10% flow is roughly equivalent to the number of hours where the cooling flow is at 90 - 100%. You really need to look at this on an hourly basis, instead of in the summary reports, but things seem to be operating properly when I run the file.<br>
</div><div><br></div><div>I did, however, run the file with a Houston, TX weather file as I don't have the New Delhi weather file.</div><div><br></div><div>--</div><div>Karen</div><br><div class="gmail_quote">On Thu, Jul 29, 2010 at 6:35 AM, Siddharth V <span dir="ltr"><<a href="mailto:siddharth.v@tcs.com">siddharth.v@tcs.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<br><font size="2" face="sans-serif">Hi Guys, </font>
<br>
<br><font size="2" face="sans-serif">I was trying to simulate the HVAC performance
using a multi zone system. I have manually given that the design CFM should
be 62485 cfm.</font>
<br>
<br><font size="2" face="sans-serif">Using the options, I have also included
the "Supply Air Flow Rate" and the Power consumed by FAN
at the output. </font>
<br>
<br><font size="2" face="sans-serif">But it seems that the Air flow rate
is way below the value given input value. </font>
<br>
<br><font size="2" face="sans-serif">Note that this system is not a VAV system.
A constant Air Volume flow was also ensured. </font>
<br>
<br><font size="2" face="sans-serif">I am unable to understand why the system
behaves in this way, as when the same was done for Dual Duct system, the
given CFM was maintained at the output. </font>
<br>
<br><font size="2" face="sans-serif">Please find the attached .zip file containing
the project file and the excel file containing the flow parameters and
the power consumption for the 1st 3 months. </font>
<br>
<br>
<br>
<br>
<br>
<br>
<br><font size="2" face="sans-serif">Regards,<br>
Siddharth Venkataraman<br>
Tata Consultancy Services<br>
Mailto: <a href="mailto:siddharth.v@tcs.com" target="_blank">siddharth.v@tcs.com</a><br>
Website: </font><a href="http://www.tcs.com/" target="_blank"><font size="2" face="sans-serif">http://www.tcs.com</font></a><font size="2" face="sans-serif"><br>
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