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<p class="MsoNormal">Hi All,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m working on a multi-level recreation building with VRF serving offices on each floor and packaged RTUs with DX cooling/furnace heating serving large open convention spaces per floor.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I ran into this issue without changing anything in my model, besides adding some exhaust fan information to a handful of zones:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This box pops up:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><img width="302" height="131" style="width:3.1458in;height:1.3645in" id="Picture_x0020_1" src="cid:image001.png@01D9E01F.9E4BDC40"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">“Error: 1 standard file writing errors encountered”<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The simulation does not run, and in the Detailed Simulation Output File, 24 zones have the following warning:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:.25in;text-autospace:none"><b><span style="font-size:8.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white">**WARNING**********************************************************************<o:p></o:p></span></b></p>
<p class="MsoNormal" style="margin-left:.25in;text-autospace:none"><b><span style="font-size:8.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white"> ZONE E2 Core Zn (G.C10)
<o:p></o:p></span></b></p>
<p class="MsoNormal" style="margin-left:.25in;text-autospace:none"><b><span style="font-size:8.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white"> might have insufficient heating capability.<o:p></o:p></span></b></p>
<p class="MsoNormal" style="margin-left:.25in;text-autospace:none"><b><span style="font-size:8.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white"> Check that the SYSTEM or ZONE HEATING-CAPACITY plus this<o:p></o:p></span></b></p>
<p class="MsoNormal" style="margin-left:.25in;text-autospace:none"><b><span style="font-size:8.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white"> ZONEs BASEBOARD-RATING is adequate to maintain the ZONE<o:p></o:p></span></b></p>
<p class="MsoNormal" style="margin-left:.25in;text-autospace:none"><b><span style="font-size:8.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white"> specified DESIGN-HEAT-T for the calculated peak ZONE load<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:8.0pt;font-family:"Courier New";color:black;background:white;mso-highlight:white"> (see LS-A or LS-B for the ZONE peak load.)</span></b><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I increased my throttling rage from 2 to 6 degrees, tried increasing my Heating Control and Reset Zone Entering Max Supply Temp from 90 to 105 degrees under Zone Heating, Coil Cap / Control, tried forcing previously greyed-out n/a to 50
degrees for reheat delta T, and tried changing thermostat to Reverse Action. No change and I’m out of ideas. Any assistance would be greatly appreciated!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><i><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black;mso-ligatures:none">Thank you,<o:p></o:p></span></i></b></p>
<p class="MsoNormal" style="background:white"><b><i><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black;mso-ligatures:none"><o:p> </o:p></span></i></b></p>
<p class="MsoNormal" style="background:white"><b><i><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black;mso-ligatures:none">Chad</span></i></b><span style="color:black;mso-ligatures:none"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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