<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" 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 11 (filtered medium)">
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
 name="PostalCode"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
 name="State"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
 name="Street"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
 name="address"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
 name="City"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
 name="place"/>
<!--[if !mso]>
<style>
st1\:*{behavior:url(#default#ieooui) }
</style>
<![endif]-->
<style>
<!--
 /* Style Definitions */
 p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0in;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman";}
a:link, span.MsoHyperlink
        {color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {color:purple;
        text-decoration:underline;}
span.EmailStyle17
        {mso-style-type:personal-compose;
        font-family:Arial;
        color:windowtext;}
@page Section1
        {size:8.5in 11.0in;
        margin:.5in .5in .4in .5in;}
div.Section1
        {page:Section1;}
-->
</style>

</head>

<body lang=EN-US link=blue vlink=purple>

<div class=Section1>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I have run a Building with a VAV system, pre-heat coils and
Zone reheat but it will not use any load from the condensing boiler.  I
have thousands of hours outside of the throttling range.  Does any one
have any guesses?  I have tried changing the fans to Cycle on any with no
luck.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><b><font size=2 color="#595959" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#595959;font-weight:bold'>JAMES
F. GEERS  |  </span></font></b><b><font size=1 color="#595959"
face=Arial><span style='font-size:8.0pt;font-family:Arial;color:#595959;
font-weight:bold'>ARCHITECT & LEED AP</span></font></b><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color="#595959" face=Arial><span
style='font-size:7.0pt;font-family:Arial;color:#595959'>513.721.0600 (x107) -
DIRECT  </span></font><font color=navy><span style='color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color="#7f7f7f" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#7F7F7F'><o:p> </o:p></span></font></p>

<p class=MsoNormal><b><font size=3 color="#9cb135" face=Arial><span
style='font-size:12.0pt;font-family:Arial;color:#9CB135;font-weight:bold'>SFA
ARCHITECTS, INC.</span></font></b><font color="#9cb135" face=Arial><span
style='font-family:Arial;color:#9CB135'><o:p></o:p></span></font></p>

<p class=MsoNormal><b><font size=1 color="#9cb135" face=Arial><span
style='font-size:2.0pt;font-family:Arial;color:#9CB135;font-weight:bold'><o:p> </o:p></span></font></b></p>

<p class=MsoNormal><st1:City w:st="on"><st1:place w:st="on"><b><font size=1
  color="#595959" face=Arial><span style='font-size:8.0pt;font-family:Arial;
  color:#595959;font-weight:bold'>CINCINNATI</span></font></b></st1:place></st1:City><b><font
size=1 color="#595959" face=Arial><span style='font-size:8.0pt;font-family:
Arial;color:#595959;font-weight:bold'><o:p></o:p></span></font></b></p>

<p class=MsoNormal><st1:Street w:st="on"><st1:address w:st="on"><font size=1
  color="#595959" face=Arial><span style='font-size:7.0pt;font-family:Arial;
  color:#595959'>300 WEST FOURTH STREET</span></font></st1:address></st1:Street><font
size=1 color="#595959" face=Arial><span style='font-size:7.0pt;font-family:
Arial;color:#595959'>  |  <st1:place w:st="on"><st1:City w:st="on">CINCINNATI</st1:City>,
 <st1:State w:st="on">OHIO</st1:State> <st1:PostalCode w:st="on">45202</st1:PostalCode></st1:place> 
|  513.721.0600 - OFFICE  |  513.721.0611 - FAX<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color="#595959" face=Arial><span
style='font-size:2.0pt;font-family:Arial;color:#595959'><o:p> </o:p></span></font></p>

<p class=MsoNormal><st1:City w:st="on"><st1:place w:st="on"><b><font size=1
  color="#595959" face=Arial><span style='font-size:8.0pt;font-family:Arial;
  color:#595959;font-weight:bold'>DAYTON</span></font></b></st1:place></st1:City><b><font
size=1 color="#595959" face=Arial><span style='font-size:8.0pt;font-family:
Arial;color:#595959;font-weight:bold'><o:p></o:p></span></font></b></p>

<p class=MsoNormal><font size=1 color="#595959" face=Arial><span
style='font-size:7.0pt;font-family:Arial;color:#595959'>120 WEST SECOND
STREET  |  <st1:address w:st="on"><st1:Street w:st="on">SUITE</st1:Street>
 1800</st1:address>  |  <st1:place w:st="on"><st1:City w:st="on">DAYTON</st1:City>,
 <st1:State w:st="on">OHIO</st1:State> <st1:PostalCode w:st="on">45402</st1:PostalCode></st1:place> 
|  937.281.0600 - OFFICE  |  937.281.0611 - FAX<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color="#595959" face=Arial><span
style='font-size:2.0pt;font-family:Arial;color:#595959'><o:p> </o:p></span></font></p>

<p class=MsoNormal><b><font size=1 color="#9cb135" face=Arial><span
style='font-size:8.0pt;font-family:Arial;color:#9CB135;font-weight:bold'><a
href="outbind://5-000000002A3AAC56F15D2E4D863C658A7EC1FD11C4022E00/www.sfa-architects.com"
title="blocked::www.sfa-architects.com"><font color="#9cb135"><span
style='color:#9CB135'><span title="blocked::www.sfa-architects.com">WWW.SFA-ARCHITECTS.COM</span></span></font></a><o:p></o:p></span></font></b></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>

</div>

</body>

</html>