<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=iso-8859-1"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Wingdings;
panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
{font-family:Wingdings;
panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:"Century Gothic";
panose-1:2 11 5 2 2 2 2 2 2 4;}
@font-face
{font-family:Webdings;
panose-1:5 3 1 2 1 5 9 6 7 3;}
@font-face
{font-family:"Arial Narrow";
panose-1:2 11 6 6 2 2 2 3 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.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.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
/* List Definitions */
@list l0
{mso-list-id:560555212;
mso-list-type:hybrid;
mso-list-template-ids:1909512222 67698689 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
@list l0:level1
{mso-level-number-format:bullet;
mso-level-text:\F0B7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Symbol;}
@list l0:level2
{mso-level-number-format:bullet;
mso-level-text:o;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:"Courier New";}
@list l0:level3
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Wingdings;}
@list l0:level4
{mso-level-number-format:bullet;
mso-level-text:\F0B7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Symbol;}
@list l0:level5
{mso-level-number-format:bullet;
mso-level-text:o;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:"Courier New";}
@list l0:level6
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Wingdings;}
@list l0:level7
{mso-level-number-format:bullet;
mso-level-text:\F0B7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Symbol;}
@list l0:level8
{mso-level-number-format:bullet;
mso-level-text:o;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:"Courier New";}
@list l0:level9
{mso-level-number-format:bullet;
mso-level-text:\F0A7;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;
font-family:Wingdings;}
ol
{margin-bottom:0in;}
ul
{margin-bottom:0in;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</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>Hello all. After fighting with eQUEST (and losing), I’m looking for ideas to solve my issue:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have an air cooled chiller serving a cooling loop which serves fan coils for cooling only. I also have an air-source heat pump as my primary heating plant (with gas boiler as backup). My problem is that my cooling plant will not turn on when the ASHP is created. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I had modeled my heating as a hot water loop with gas boiler only (had not included the ASHP yet). I modeled my cooling loop and cooling plant and everything was working as intended. Then I changed my heating water loop to a two-pipe loop and added my air source heat pump to it:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>chiller type: Heat Pump<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>Chilled water loop: Heating Water Loop (the two pipe loop)<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>Condenser: Air cooled<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I then set my two pipe loop to Snap, with an outdoor snap temperature of 140°F (which will never happen here, effectively making it a heating only loop).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My ASHP works well, everything looks good, except that my cooling plant now does not run at all. <span style='font-family:Wingdings'>L</span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I removed my ASHP and made my heating water loop a hot water loop again and the cooling plant runs again. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I can only guess that with multiple cooling loops, the addition of a two pipe loop that is always in heating is somehow preventing my cooling plant from turning on, despite them being totally separate.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have tried to force the issue by creating equipment controls specifically telling each loop what equipment to use, but to no avail. At this point I am probably going to either model my air cooled chiller as individual DX units in the systems served by the cooling loop, or create an electric boiler with an efficiency equal to the annual heating COP I get from a run with my ASHP running. I think the second option would be more accurate, but I’d rather have it all in one model.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>So… has anyone come across this and if so what is the magic little detail that I’m missing? Other ideas?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Many thanks,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span lang=EN-CA style='font-size:10.0pt;font-family:"Century Gothic","sans-serif";color:#1F497D'>Riley Beise</span></b><span lang=EN-CA style='font-size:10.0pt;font-family:"Century Gothic","sans-serif";color:#1F497D'>, P.Eng., BEMP, LEED Green Associate</span><span lang=EN-CA><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt;font-family:"Century Gothic","sans-serif";color:#1F497D'>Energy Analyst</span><span lang=EN-CA><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'> </span><span lang=EN-CA><o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-CA style='font-size:10.0pt;font-family:"Century Gothic","sans-serif";color:#17365D'>AME Consulting Group</span></b><span lang=EN-CA><o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-CA style='font-size:7.5pt;font-family:"Century Gothic","sans-serif";color:green'>721 Johnson Street</span></b><span lang=EN-CA><o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-CA style='font-size:7.5pt;font-family:"Century Gothic","sans-serif";color:green'>Victoria, BC, V8W 1M8</span></b><span lang=EN-CA><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:7.5pt;font-family:"Century Gothic","sans-serif";color:green'>p. 250-382-5999</span><span lang=EN-CA><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:7.5pt;font-family:"Century Gothic","sans-serif";color:green'>f. 250-382-5998</span><span lang=EN-CA><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA><a href="http://www.amegroup.ca/"><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:blue'>www.AMEGroup.ca</span></a><span style='color:#1F497D'> </span><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'> </span><span lang=EN-CA><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black'>The content of this email is the confidential property of AME Group and should not be copied, modified, retransmitted, or used for any purpose except with AME Group’s written authorization. If you are not the intended recipient, please delete all copies and notify us immediately.</span><span lang=EN-CA><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:8.0pt;font-family:"Arial","sans-serif";color:black'> </span><span lang=EN-CA><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:13.5pt;font-family:Webdings;color:#008040'>ü</span><span lang=EN-CA style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> </span><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial Narrow","sans-serif";color:#008040'>Please consider the environment before printing this email.</span><span lang=EN-CA><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>