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<P ALIGN=LEFT><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">EQuest 3.6: Modeling a dedicated outside air system (DOAS) which supplies 7</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> interior</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">zones</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> directly and 48 fancoils. The DOAS MIN-OA-Control = DCV Zone Sensors and MIN-OA-Method = Set by Critical Zone. The critical zone is one of the 7</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">zones</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> directly supplied by the DOAS. The fan coil MIN-OA-Control = DCV Return Sensor and MIN-OA-Method = Sum of Zone OA and Outside Air From System = DOAS. </FONT></SPAN></P>
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<P ALIGN=LEFT><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">The warning</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">message</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> says</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">“</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> DOAS</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> defined as an OA-</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">FROM</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">-</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">SYSTEM</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> has OA flow requirement of</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial"> 4667</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">CFM</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> b</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">ut its calculated</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">OA flow is only 469 CFM.</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">Its MIN</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">-OUTSIDE</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">-</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> AIR has been reset to meet this requirement…”</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> </FONT></SPAN><SPAN LANG="en-us"> </SPAN></P>
<P ALIGN=LEFT><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">The system summary report for DOAS shows</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">sum of (7) zones:</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">469 oa cfm and</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">6240 supply cfm.</FONT></SPAN><SPAN LANG="en-us"></SPAN></P>
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<P ALIGN=LEFT><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">Does anyone know</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">….</FONT></SPAN></P>
<P ALIGN=LEFT><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">1)</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">Is t</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">he 4667</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">quantity</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">the</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">DCV</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> OA</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> CFM</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">which includes the</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">“</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">calculated 469 cfm</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">”</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> outside air for the 7 zones directly attached to</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">the</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">DOAS</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial"> and the outside air to the fancoils that are indirectly attached to</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">the DOAS</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">?</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> Other than the warning, where in the reports can I find this number?</FONT></SPAN><SPAN LANG="en-us"></SPAN></P>
<P ALIGN=LEFT><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">2)</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">Does</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">t</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">he 6240 quantity</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> include</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">t</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">he</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">7 directly supplied zones</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> OA cfm, load cfm</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> (approximately 1570 cfm which is reasonable given the peak load report BTUH)</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"><U> <FONT COLOR="#003300" SIZE=2 FACE="Arial">and</FONT></U></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"> the</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">48</FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial">fancoil</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial">s OA cfm?</FONT></SPAN><SPAN LANG="en-us"><FONT COLOR="#003300" SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"> <FONT COLOR="#003300" SIZE=2 FACE="Arial"></FONT></SPAN><SPAN LANG="en-us"> </SPAN></P>
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