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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Pasha,</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thanks for your support!</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Attached is the Baseline scenario. A
colleague of mine once modelled a big Mall and got the values for Heat Rejection
even greater than those of the Space Cooling! Please find the attached small
excel file.</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>As for my school project, the heat
rejection is negligible! This is my concern. Can you please check my tower
parameters and the condenser loop and advise accordingly?</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Many thanks to all,</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Omar</span></font></p>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
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<p class=MsoNormal><st1:PersonName style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom"><st1:PersonName style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom"><st1:PersonName style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom"><st1:PersonName style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom"><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Omar Katanani<br>
</st1:PersonName></st1:PersonName></st1:PersonName></st1:PersonName>Sustainable
Design Engineer</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
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href="mailto:omar@ecoconsulting.net">omar@ecoconsulting.net</a></span></font></st1:PersonName></p>
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font-family:Arial;color:navy'> </span></font><font size=1 color=navy
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lang=EN-US style='font-size:7.5pt;font-family:Arial;color:navy'>, 4<sup>th</sup>
floor</span></font></p>
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font-family:Arial;color:navy'>4 St-Maron Street</span></font><font size=1
color=navy face=Arial><span lang=EN-US style='font-size:7.5pt;font-family:Arial;
color:navy'> / </span></font><font
size=1 color=navy face=Arial><span lang=EN-US style='font-size:7.5pt;
font-family:Arial;color:navy'>Georges Haddad Avenue</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Postal Code: 2028 5806
SAIFI</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Beirut</span></font><font
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font-family:Arial;color:navy'>, </span></font><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:7.5pt;font-family:Arial;
color:navy'>Lebanon</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Tel: </span></font><font
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color:navy'>UK</span></font><font size=1 color=navy face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:navy'>) Ltd<br>
28 </span></font><font
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color:navy'>SE1 1HF</span></font><font size=1 color=navy face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:navy'><br>
Tel: +44 (0) 207 939 0989<br>
Fax: +44 (0) 207 939 0981</span></font></p>
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<p class=MsoNormal><font size=2 face=Tahoma><span lang=EN-US style='font-size:
10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> Pasha Korber-Gonzalez
[mailto:pasha.pkconsulting@gmail.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> 15 July 2010 21:46<br>
<b><span style='font-weight:bold'>To:</span></b> Omar Katanani<br>
<b><span style='font-weight:bold'>Cc:</span></b> </span></font><font size=2
face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>equest-users@lists.onebuilding.org</span></font><font
size=2 face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:Tahoma'><br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Equest-users] Heat
Rejection consumption is so small!!</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Hi Omar,</span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>here are my thoughts based on your questions and info.</span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>First, when I read the condenser/heat rejection baseline requirements
from 90.1-2007 I interpret that it is not indicating two separate condenser
loops, it is stating "individual condenser loop pumps per chiller",
there for you would still have one condenser circulation loop serving both
chillers and one cooling tower.</span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Next, if you have heard from designers with experience in the Lebanon
climate characteristics that your heat rejection energy should be upwards of
10% then you could/should trust thier given experience. However; you need
to ask them what is this 10% relative too? Are they implying that
10% of the whole building end use energy should be around 10% for the Lebanon
climate? (my opinion: I doubt it.) Are they
implying that 10% of the Chilled Water System end use energy (i.e. CHW-chiller,
CHW-pumps, CHW-condenser water systems including pumps & tower,
etc?) (my opinion: I would guess that this 10% value is
relative to HVAC system(s) end use energy, not <u>whole building</u> end use
energy. Or is that 10% relative only to the chilled water-side of the
systems (extracted from the total HVAC energy which would include heating
energy.)</span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Last, if you would like to attach your .pd2 & .inp file
myself, or maybe others might be available to peruse your project file and give
you some indication if your end use heat rejection energy is falling within a
reasonable whole building energy range.</span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>p.s. if you are using a unique (non-eQuest) Lebanon climate
weather file, please attach that too so that I can run your file on my
computer.</span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>pkg</span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>On Thu, Jul 15, 2010 at 4:54 AM, Omar Katanani <<a
href="mailto:omar@ecoconsulting.net">omar@ecoconsulting.net</a>> wrote:</span></font></p>
<div vlink=purple link=blue>
<div>
<p class=MsoNormal><font size=2 color="#333399" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#333399'> </span></font></p>
<p><font size=2 color="#333399" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#333399'>Dear all,</span></font></p>
<p><font size=2 color="#333399" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#333399'> </span></font></p>
<p><font size=2 color="#333399" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#333399'>What are typical values for heat rejection, if
my Space Cooling constitutes 25% of my school consumption? All I’m
getting is 1% or so!</span></font></p>
<p><font size=2 color="#333399" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#333399'> </span></font></p>
<p><font size=2 color="#333399" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#333399'>I left eQUEST to autosize the capacity of the
tower, and I entered many default values into the inputs of the </span></font><font
color="#333399" face=Arial><span style='font-family:Arial;color:#333399'>Open
Tower and the Condenser Loop. I’ve heard that Heat Rejection in such
climates such as Lebanon should reach at least 10%.</span></font></p>
<p><font size=2 color="#333399" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#333399'> </span></font></p>
<p><font size=2 color="#333399" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#333399'>One more thing, when modeling the baseline
case according to ASHRAE 90.1, I read that I should model a condenser water
loop for each chiller. So if I have 2 chillers, will I need 2 </span></font><font
color="#333399" face=Arial><span style='font-family:Arial;color:#333399'>Open
Towers?</span></font></p>
<p><font size=2 color="#333399" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#333399'> </span></font></p>
<p><font size=2 color="#333399" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#333399'>Many thanks,</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Omar</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>___________________________</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Omar Katanani<br>
Sustainable Design Engineer</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Email: <a
href="mailto:omar@ecoconsulting.net" target="_blank">omar@ecoconsulting.net</a></span></font></p>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
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<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>EcoConsulting (Lebanon)</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Nahas Building, 4<sup>th</sup>
floor</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>4 St-Maron Street /
Georges Haddad Avenue</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Postal Code: 2028 5806
SAIFI</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Beirut, Lebanon</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:7.5pt;font-family:Arial;color:navy'>Tel:
</span></font><font size=1 color=navy face=Arial><span style='font-size:7.5pt;
font-family:Arial;color:navy'>+961 (0) 1 971 255<br>
Mobile: +961 (0) 3 045 045</span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> </span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:navy'>EcoConsulting (UK) Ltd<br>
28 Marshalsea Road<br>
London, SE1 1HF<br>
Tel: +44 (0) 207 939 0989<br>
Fax: +44 (0) 207 939 0981</span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:navy'>Website: <a
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