<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:Garamond;
panose-1:2 2 4 4 3 3 1 1 8 3;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Balloon Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.EmailStyle17
{mso-style-type:personal;
font-family:"Arial","sans-serif";
color:windowtext;}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="2050" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Majid,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I understand it to be that HAP has the part load curves built into the program. How exactly they came up with their curves I'm not sure. So you will enter in the design capacity of the system and the full load EER among other things, and at any given hour the part load energy usage will be calculated based on HAP predetermined part load curves.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Garamond","serif";color:#757575'>Nicholas J Couture, </span><span style='font-size:8.0pt;font-family:"Garamond","serif";color:#757575'>P.E., LEED AP</span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Garamond","serif";color:#757575'>Mechanical Engineer</span><span style='color:#1F497D'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Times New Roman","serif";color:#1F497D'><img width=150 height=35 id="Picture_x0020_1" src="cid:image001.jpg@01CDA859.DC8127E0" alt="cid:484072720@03122009-2765"></span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Garamond","serif";color:gray'>3555 Veteran's Memorial Highway, Suite M</span><span style='font-size:12.0pt;font-family:"Garamond","serif";color:gray'><br></span><span style='font-size:10.0pt;font-family:"Garamond","serif";color:gray'>Ronkonkoma, NY 11779</span><span style='font-size:12.0pt;font-family:"Garamond","serif";color:gray'><br></span><span style='font-size:10.0pt;font-family:"Garamond","serif";color:gray'>Tel: 631.981.3990 ext. 230</span><span style='font-size:12.0pt;font-family:"Garamond","serif";color:gray'><br></span><span style='font-size:10.0pt;font-family:"Garamond","serif";color:gray'>Fax: 631.981.3971</span><span style='font-size:12.0pt;font-family:"Garamond","serif";color:gray'><br></span><span style='font-size:10.0pt;font-family:"Garamond","serif";color:gray'><a href="mailto:ncouture@emtec-engineers.com">ncouture@emtec-engineers.com</a></span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D'><a href="http://www.emtec-engineers.com/" title="Emtec Consulting Engineers"><span style='color:green'>www.emtec-engineers.com </span></a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Garamond","serif";color:#1F497D'>This message is intended only for the personal and confidential use of the designated recipient(s) named above. This is not in anyway an official statement of Emtec Consultants or solicitation to buy our services. Emtec Consultants does not guarantee this Email transmission to be secure or error-free. Any reproduction or changes to our drawings and files without the consent of Emtec Consultants is strictly prohibited.</span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> hap-users-bounces@lists.onebuilding.org [mailto:hap-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Sapar, Majid Haji<br><b>Sent:</b> Friday, October 12, 2012 5:35 AM<br><b>To:</b> hap-users@lists.onebuilding.org<br><b>Subject:</b> [Hap-users] VRF System Part Load Condition<br><b>Importance:</b> High<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-GB>Hi All,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Need your advice on the following:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Our job recently requires us to run energy modelling with part load condition by using VRF system. We realised that Version 4.6 added VRF system as new features. However, we are not sure how to input the various operating conditions to get the part load profile of the equipment. Would anybody be able to advise us how this is done?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:8.0pt;font-family:"Arial","sans-serif"'>Majid Sapar<br></span></b><span style='font-size:8.0pt;font-family:"Arial","sans-serif"'>Associate, Environmentally Sustainable Design<br><b><i><span style='color:#365F91'>Parsons Brinckerhoff<br></span></i></b>300 Beach Road #05-00 The Concourse<br>Singapore 199555 <o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:8.0pt;font-family:"Arial","sans-serif"'>+65-6533 73339 (office)<br>+65-6290 1434 (direct)<br>+65-6533 7707 (fax)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#1F497D'><a href="mailto:mcaclister@pbworld.com">majid.h@pbworld.com</a><o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:8.0pt;font-family:"Arial","sans-serif"'><br><span style='color:#1F497D'><a href="http://www.pbworld.com/">www.pbworld.com</a><o:p></o:p></span></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br>______________________________________________________________________<br>NOTICE: This communication and any attachments ("this message") may contain confidential information for the sole use of the intended recipient(s). Any unauthorized use, disclosure, viewing, copying, alteration, dissemination or distribution of, or reliance on this message is strictly prohibited. If you have received this message in error, or you are not an authorized recipient, please notify the sender immediately by replying to this message, delete this message and all copies from your e-mail system and destroy any printed copies.<o:p></o:p></span></p></div></body></html>