<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:Wingdings;
panose-1:5 0 0 0 0 0 0 0 0 0;}
@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:"Franklin Gothic Medium";
panose-1:2 11 6 3 2 1 2 2 2 4;}
@font-face
{font-family:"Century Gothic";
panose-1:2 11 5 2 2 2 2 2 2 4;}
/* 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";}
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
{mso-style-priority:34;
margin-top:0in;
margin-right:0in;
margin-bottom:0in;
margin-left:.5in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
p.Normal, li.Normal, div.Normal
{mso-style-name:"\[Normal\]";
margin:0in;
margin-bottom:.0001pt;
text-autospace:none;
font-size:12.0pt;
font-family:"Arial","sans-serif";}
span.EmailStyle21
{mso-style-type:personal;
font-family:"Tahoma","sans-serif";
color:windowtext;}
span.EmailStyle22
{mso-style-type:personal;
font-family:"Tahoma","sans-serif";
color:black;}
span.EmailStyle23
{mso-style-type:personal;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.EmailStyle24
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.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">You can model a water-to-air heat pump using PSZ, PVAVS and PVVT by specifying a CONDENSER-TYPE -> WATER-COOLED and attaching a CIRCULATION-LOOP of type CW or WLHP.<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">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Bill<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><a href="mailto:wbishop@pathfinder-ea.com"><b><span style="font-size:10.0pt;font-family:"Franklin Gothic Medium","sans-serif";color:black;text-decoration:none"><img border="0" width="481" height="118" id="_x0000_i1027" src="cid:image002.png@01CD11B8.1A0F08E0"></span></b></a><span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
</div>
<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""> equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>David Eldridge<br>
<b>Sent:</b> Tuesday, April 03, 2012 4:32 PM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] Water Source Heat Pumps as Dedicated Outside Air Units<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Can you use PVVT, but configured as you would have setup the heat pump?</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">David</span><o:p></o:p></p>
<div>
<p class="MsoNormal"><u><span style="color:black">
</span></u><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:8.0pt;color:black"> </span><o:p></o:p></p>
<p class="MsoNormal"><b><span style="color:#1F497D">David S. Eldridge, Jr.</span><span style="color:#244061">, P</span><span style="color:#1F497D">.</span><span style="color:#244061">E</span><span style="color:#1F497D">.</span><span style="color:#244061">,
LEED AP BD+C, BEMP, BEAP, HBDP</span></b><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Project Manager</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:4.0pt;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#365F91">Direct: (847) 316-92</span><span style="color:#1F497D">24</span><span style="color:#365F91"> | Fax: (</span><span style="color:#1F497D">847</span><span style="color:#365F91">)
</span><span style="color:#1F497D">328</span><span style="color:#365F91">-</span><span style="color:#1F497D">4550</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><b><span style="color:#244061">Grumman/Butkus Associates</span></b><span style="color:gray">
</span><span style="color:#365F91">| 820 Davis Street, Suite 300 | Evanston, IL 60201</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;color:gray">Energy Efficiency Consultants and Sustainable Design Engineers</span><o:p></o:p></p>
<p class="MsoNormal"><u><span style="color:black">
</span></u><o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-family:"Arial","sans-serif";color:navy"> </span></b><o:p></o:p></p>
</div>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></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"">
<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a> [mailto:<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Jesse Eisenhart<br>
<b>Sent:</b> Tuesday, April 03, 2012 3:21 PM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] Water Source Heat Pumps as Dedicated Outside Air Units</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif";color:black">I guess I stumped everyone.
</span><span style="font-family:Wingdings;color:black">J</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif";color:black"> </span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="font-family:"Century Gothic","sans-serif";color:#262626">Jesse Eisenhart</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic","sans-serif";color:#262626">Energy Services | Project Manager</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic","sans-serif";color:#262626"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Century Gothic","sans-serif";color:#262626;letter-spacing:1.8pt"><img border="0" width="22" height="22" id="_x0000_i1025" src="cid:image003.png@01CD11B8.1A0F08E0" alt="Description: LOGO_for_Email-4">VIRIDIAN|</span><span style="font-family:"Century Gothic","sans-serif";color:#262626">Sustainable
Building Consulting</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic","sans-serif";color:#262626">100 Gamble Road, Little Rock, AR 72211</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic","sans-serif";color:#262626">o: 501.227.0648, f: 501.227.8648
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic","sans-serif";color:#262626"><a href="mailto:jesse@ViridianUSA.com"><span style="color:#262626;text-decoration:none">jesse@ViridianUSA.com</span></a> |
<a href="http://www.viridianusa.com/"><span style="color:#262626;text-decoration:none">www.ViridianUSA.com</span></a>
</span><o:p></o:p></p>
</div>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif";color:black"> </span><o:p></o:p></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"">
<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a> [mailto:<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Jesse Eisenhart<br>
<b>Sent:</b> Tuesday, April 03, 2012 11:07 AM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> [Equest-users] Water Source Heat Pumps as Dedicated Outside Air Units</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif"">Hello All!</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif""> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif"">I am having an issue regarding a dedicated outside air unit that takes advantage of a condensing water loop.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif""> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif"">When modeled as a water source heat pump (</span><span style="font-family:"Courier New"">TYPE = HP</span><span style="font-family:"Tahoma","sans-serif"">), eQUEST gives me an error saying
this system type is not eligible for “OA-FROM-SYSTEM”. </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif""> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif"">One of my thoughts is to
</span><o:p></o:p></p>
<p class="MsoListParagraph"><span style="font-family:Symbol">·</span><span style="font-size:7.0pt;font-family:"Times New Roman","serif"">
</span><span style="font-family:"Tahoma","sans-serif"">model all the units served by the outside air unit with no fresh air</span><o:p></o:p></p>
<p class="MsoListParagraph"><span style="font-family:Symbol">·</span><span style="font-size:7.0pt;font-family:"Times New Roman","serif"">
</span><span style="font-family:"Tahoma","sans-serif"">model the dummy zone with a summation of the fresh air required by the spaces served
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif""> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif"">But then that might interfere with a proper simulation of mixed air temps going into the space.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif""> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif"">Thoughts?</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif""> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif""> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif""> </span><o:p></o:p></p>
<p class="Normal"><span style="font-size:8.0pt;font-family:"Courier New"">***ERROR***********************************************************************</span><o:p></o:p></p>
<p class="Normal"><span style="font-size:8.0pt;font-family:"Courier New""> OSAU is not a legal SYSTEM-TYPE to be</span><o:p></o:p></p>
<p class="Normal"><span style="font-size:8.0pt;font-family:"Courier New""> an OA-FROM-SYSTEM. SZRH/PSZ/RHFS/MZS/PMZS/DDS/VAVS/PVAVS/<span style="background:yellow">PVVT</span></span><o:p></o:p></p>
<p class="Normal"><span style="font-size:8.0pt;font-family:"Courier New""> RHFS/IU/PIU/PTGSD/EVAP-COOL/RESYS2 are allowed.</span><o:p></o:p></p>
<p class="Normal"><span style="font-size:8.0pt;font-family:"Courier New""> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif""> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Tahoma","sans-serif""> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic","sans-serif";color:#262626">Jesse Eisenhart</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic","sans-serif";color:#262626">Energy Services | Project Manager</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic","sans-serif";color:#262626"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Century Gothic","sans-serif";color:#262626;letter-spacing:1.8pt"><img border="0" width="22" height="22" id="Picture_x0020_1" src="cid:image003.png@01CD11B8.1A0F08E0" alt="Description: LOGO_for_Email-4">VIRIDIAN|</span><span style="font-family:"Century Gothic","sans-serif";color:#262626">Sustainable
Building Consulting</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic","sans-serif";color:#262626">100 Gamble Road, Little Rock, AR 72211</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic","sans-serif";color:#262626">o: 501.227.0648, f: 501.227.8648
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic","sans-serif";color:#262626"><a href="mailto:jesse@ViridianUSA.com"><span style="color:#262626;text-decoration:none">jesse@ViridianUSA.com</span></a> |
<a href="http://www.viridianusa.com/"><span style="color:#262626;text-decoration:none">www.ViridianUSA.com</span></a>
</span><o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
</body>
</html>