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<p class=MsoNormal>I want to setup a system where the OA volume is set to 0 for
setback heating/cooling. Under the help for “Minimum Air Schedule”,
it says that you can set up a schedule where the values for min OA range from 0
to 1.0, but a value of -999 defaults that particular hour to whatever the zone
calcs require.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>This is perfect, except the only type of schedule that you
can input into MIN-AIR-SCH is type FRACTION, and the FRACTION schedule won’t
accept -999. Only from 0 to 1.0.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>What am I doing wrong? Thanks in advance,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><b><span style='font-family:"Arial","sans-serif";color:teal'>GHT
Limited<br>
</span></b><b><span style='font-family:"Arial","sans-serif"'><ns0:PersonName><span
style='color:black'>James Hansen</span></ns0:PersonName></span></b><b><span
style='color:black'>, PE, LEED AP<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Senior Associate</span></b><b><span style='color:black'><o:p></o:p></span></b></p>
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style='color:black'>Arlington</span></ns0:City><span style='color:black'>, </span><ns0:State><span
style='color:black'>VA</span></ns0:State><span style='color:black'> </span><ns0:PostalCode><span
style='color:black'>22201-4749</span></ns0:PostalCode></ns0:place></span><span
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