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<p class="MsoPlainText">With regards to opening a file started in 2.3 in 2.2, there are 4 LOADS keywords that have parentheses around them in 2.3 and not in 2.2. They are:<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0 level2 lfo1">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>PEOPLE-HG-LAT<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0 level2 lfo1">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>PEOPLE-HG-SENS<o:p></o:p></p>
<p class="MsoPlainText" style="margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0 level2 lfo1">
<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>NUMBER-OF-PEOPLE<o:p></o:p></p>
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<![if !supportLists]><span style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>AREA/PERSON<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">You can either edit the .inp file with a text editor and remove the parentheses for these keywords or set these keywords to default in 2.3 before opening the file in 2.2. I also recommend setting the space occupancy schedules to default
in 2.3 before opening in 2.2.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Note - before fixing these keywords, I often find the file opens in 2.2 with spaces missing so the result looks catastrophic.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">At the system level, the OA-FLOW/PER also has parentheses around it in 2.3 and not 2.2. There are other system keywords that don't translate but I have found as long as I fix the LOADS keywords mentioned above, I can open a 2.3 file
in 2.2 and then make any required system/plant keyword fixes. Depending on how the chiller efficiency is specified in 2.3, I have seen the chillers drop to the bottom of the component tree in 2.2.
<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">With the reverse change (adding parentheses in the .inp or defaulting the listed keywords), a 2.2 file will open OK in 2.3 in my experience.
<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Cheers,<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Brian<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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