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<span id="98e3e12c-cc81-46af-b72d-e4b2600a3384"
ginger_software_uiphraseguid="654c6f18-9d2c-4d47-a103-ae5be5f2a1d0"
class="GINGER_SOFTWARE_mark">Shahen,<br>
Without seeing the project, it is hard to know what is causing
the cooling load to be low. Make sure that you check your
assumption about the boundary temperature beneath the slab of the
house. If it is set to 0C then that would explain a low cooling
load.<br>
Kind regards,<br>
David<br>
<br>
<br>
</span>
<div class="moz-cite-prefix">On 3/12/2014 09:10, Shahen Fakhraldin
wrote:<br>
</div>
<blockquote
cite="mid:1394633420.10875.YahooMailNeo@web121203.mail.ne1.yahoo.com"
type="cite">
<div style="color:#000; background-color:#fff;
font-family:verdana, helvetica, sans-serif;font-size:14pt">
<div id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">Hi all,</div>
<div id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><br>
</div>
<div id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><span id="fd142d51-382f-48fc-9274-c45f698283ee"
ginger_software_uiphraseguid="6269abfd-1f2e-4ae9-ab00-d9658cb3cb85"
class="GINGER_SOFTWARE_mark">Iam</span> getting unreasonable
total cooling results (around 2 RT) for a house under semi
arid climate (Baghdad, Iraq), even after using maximum cooling
without any constraints, e.g. <span
class="yiv3605459306GINGER_SOFTWARE_mark"
id="yiv3605459306aee75e30-2875-4f97-a181-34b35c1d72c3"><span
id="44cbd1d6-571e-4761-869f-170bf5525135"
ginger_software_uiphraseguid="e46d85cb-9f46-4fad-b637-9a8712dbd43a"
class="GINGER_SOFTWARE_mark">schedules</span></span>. <span
style="background-color: transparent;">Besides, I have zero
demands for heating in the winter.</span></div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">My house consists of 4 beds, 2 baths, 1 WC,
corridor, living, dining, kitchen, storage and machine rooms, <span
style="background-color: transparent;">and</span><span
style="background-color: transparent;"> I assumed these </span><span
style="background-color: transparent;"></span><span
style="background-color: transparent;">schedules</span><span
style="background-color: transparent;">:</span><span
style="background-color: transparent;"></span></div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><span style="background-color: transparent;"><br
clear="none">
</span></div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><span style="background-color: transparent;">1-QCCUPATION:</span></div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">Bedrooms from 0-7 am is occupied at a rate one
person for each bedroom</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><span style="background-color: transparent;">Kitchen
from 7-8, 12-14 & 19-20 at a rate 2 persons, same
schedule <span class="yiv3605459306GINGER_SOFTWARE_mark"
id="yiv360545930624e63cb3-8ea1-4bda-8de1-b322ac01e36e"><span
id="88845c89-ad02-44af-9f6e-116f81c044bd"
ginger_software_uiphraseguid="234c65c7-24f6-4432-a207-23abec2e1dd8"
class="GINGER_SOFTWARE_mark">is applied</span></span> for
the dining room with rate 4 persons (which am not sure about
it)</span></div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">Living room from 7-24 at rate 4 persons (also
here am not sure about that)</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">As for the machine room, I assumed the heating
and cooling are ON 24 hours.</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><br clear="none">
</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">2- INFILTEATION</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">Constant value equal to (0.5) ACH</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><br clear="none">
</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">3- VENTILATION</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">Constant value at rate 2 ACH for bathrooms and
WC, and 5 ACH for the kitchen according to the its occupant <span
class="yiv3605459306GINGER_SOFTWARE_mark"
id="yiv3605459306faf5ad60-e56a-4943-86c3-71092f37c73f"><span
id="dfd9ea20-3e7b-4072-825c-26107b33c62f"
ginger_software_uiphraseguid="1bddaee8-8f1f-4dfb-9977-146488877222"
class="GINGER_SOFTWARE_mark">scheduale</span></span>.</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><br clear="none">
</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">4-COOLING AND HEATING</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">Cooling is ON for zones at occupation times when
the temperature rises above 25 deg C, otherwise it works when
temperature up to 30 deg C for unoccupied times.</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">Heating is ON when temperatures drop below 22
for occupation and 15 for unoccupied</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><br clear="none">
</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">5- HEAT GAIN</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">Kitchen 24 <span
class="yiv3605459306GINGER_SOFTWARE_mark"
id="yiv3605459306f38632f6-7526-425a-9443-7463c502a9a9"><span
id="5df368c0-3371-4f42-9b9d-65f5080a3283"
ginger_software_uiphraseguid="7f33c50d-3b2a-4265-b894-eafcb44888c3"
class="GINGER_SOFTWARE_mark">hr</span></span>. Fridge +
stove when it occupied</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><span class="yiv3605459306GINGER_SOFTWARE_mark"
id="yiv360545930608c44fad-388a-4c33-b8ed-97deec4049e9"><span
id="6773006e-fb18-4ee4-9ebc-6f2aabb0c20c"
ginger_software_uiphraseguid="0a7e6df3-6cfc-4337-a7de-da2a9464d153"
class="GINGER_SOFTWARE_mark">Living room</span></span> has
2 terminals</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">Unfortunately, I don't know what are the gains
from (absorption chiller) in the machine room</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><br clear="none">
</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">Are my assumptions true? And what I missed?</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><br clear="none">
</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">Could you please help me </div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><br clear="none">
</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;">Kind regards,</div>
<div class="yiv3605459306yui_3_13_0_ym1_1_1394138247106_2992"
id="yiv3605459306yui_3_13_0_ym1_7_1394136198510_10"
style="font-size: 12.800000190734863px; background-color:
transparent;"><span id="98e3e12c-cc81-46af-b72d-e4b2600a3384"
ginger_software_uiphraseguid="654c6f18-9d2c-4d47-a103-ae5be5f2a1d0"
class="GINGER_SOFTWARE_mark">Shahen</span> </div>
<div> </div>
<div><i><font size="3">
<div><br>
</div>
</font></i></div>
</div>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
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</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>
<a class="moz-txt-link-freetext" href="http://www.tess-inc.com">http://www.tess-inc.com</a>
<a class="moz-txt-link-freetext" href="http://www.trnsys.com">http://www.trnsys.com</a></pre>
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