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<P style="TEXT-ALIGN: left; MARGIN: 0in 0in 12pt; unicode-bidi: embed; DIRECTION: ltr" class=MsoNormal><EM><B><SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial">Dear All e-Quest User, especially all of they replied me</SPAN></B></EM><B><I><SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial"><BR></SPAN><SPAN style="COLOR: black"><BR></SPAN></I></B><SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial"></SPAN><SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial">thanks for all your help</SPAN></P>
<SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial"></SPAN> <BR>
<SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial">only to clarify , please</SPAN><BR>
<SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial"></SPAN> <BR>
<SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial">1- I suggest to do A Fresh Air Handling unit (Double Heat wheel Recovery with exhaust), that will deliver Fresh air @ 75 deg F to a Package unit that will serve the space...Is this Suggestion are Good or there is a other Best Solution ?</SPAN><BR>
<SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial"></SPAN> <BR>
<SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial">2- Howi should Model this FAHU (Especially contain double heat wheel recovery) in e-quest , also Dummy Zone how i can model it? ....and it should be in Proposed Model ? and in Base Model ?</SPAN><BR>
<SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial"></SPAN> <BR>
<SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial">3- Last question please...I have a Science Laboratory that Fresh Air Quantity needed (OA) exceed the Supply air flow (according to heat load) , in this case, should i use Fresh air Handling unit without connected to a Pachage Unit ? or what other best solution ?<BR>
<BR>I am waiting for your answer please as soon as possibe.…thanks<BR>
</SPAN><SPAN style="COLOR: black"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN> <BR>
<SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-family: Arial; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">My Regards,<BR></SPAN><STRONG><SPAN style="FONT-FAMILY: Calibri; COLOR: black; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">Riad el Abed</SPAN></STRONG><SPAN style="FONT-FAMILY: 'Times New Roman'; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-family: Arial; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"><BR></SPAN><STRONG><SPAN style="FONT-FAMILY: Calibri; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: Arial; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">Chief MEP, PQP</SPAN></STRONG><SPAN style="FONT-FAMILY: 'Times New Roman'; COLOR: #1f497d; FONT-SIZE: 11pt; mso-bidi-font-family: Arial; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"><BR style="mso-special-character: line-break"><BR style="mso-special-character: line-break"></SPAN><BR> <BR>
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Date: Fri, 3 Feb 2012 10:24:06 -0600<BR>From: slv3sat@gmail.com<BR>To: equest-users@lists.onebuilding.org<BR>Subject: Re: [Equest-users] Dummy Zone & DOAS with heat wheel recovery<BR><BR>
<DIV>I always end up adding the DOAS stuff proportionately to the respective systems. It is too much headache to deal with the dummy zone. That is why I suggested in the wish list email that the developers should do away with the dummy zone and write a simple parent OA system with the child AHU's - seems more straight forward and realistic.</DIV>
<DIV>-Rohini<BR><BR></DIV>
<DIV class=ecxgmail_quote>On Fri, Feb 3, 2012 at 10:17 AM, Sami, Vikram <SPAN dir=ltr><<A href="mailto:Vikram.Sami@perkinswill.com">Vikram.Sami@perkinswill.com</A>></SPAN> wrote:<BR>
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<P class=ecxMsoNormal><SPAN style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: rgb(31,73,125); FONT-SIZE: 11pt">You can add a latent internal load too. For cooling – I think if you assign a negative value to the internal source that should work. The challenge is to get the scheduling correct for the load. <U></U><U></U></SPAN></P>
<P class=ecxMsoNormal><SPAN style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: rgb(31,73,125); FONT-SIZE: 11pt"><U></U> <U></U></SPAN></P>
<P class=ecxMsoNormal><SPAN style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: rgb(31,73,125); FONT-SIZE: 11pt">As a side note (if your DOAS is supplying neutral air - ignore this) – if you are supplying air that is significantly cooler than setpoint temperatures (60 degrees & cooler would probably qualify) you need to represent the cooling effect of the DOAS air into the room. You can do this with a negative internal load in the space with an assigned schedule too. <U></U><U></U></SPAN></P>
<P class=ecxMsoNormal><SPAN style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: rgb(31,73,125); FONT-SIZE: 11pt"><U></U> <U></U></SPAN></P>
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<P class=ecxMsoNormal><B><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: gray; FONT-SIZE: 9pt">Vikram Sami</SPAN></B><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: gray; FONT-SIZE: 9pt">, LEED AP BD+C<U></U><U></U></SPAN></P>
<P class=ecxMsoNormal><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: gray; FONT-SIZE: 9pt">Sustainable Design Analyst<U></U><U></U></SPAN></P>
<P class=ecxMsoNormal><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: gray; FONT-SIZE: 9pt">1315 Peachtree St. NE, Atlanta, GA 30309<U></U><U></U></SPAN></P>
<P class=ecxMsoNormal><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: gray; FONT-SIZE: 9pt">t: <A target=_blank>404-443-7462</A> f: </SPAN><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: gray; FONT-SIZE: 9pt" lang=ES><A target=_blank>404.892.5823</A> </SPAN><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: gray; FONT-SIZE: 9pt"> e: <A href="mailto:vikram.sami@perkinswill.com">vikram.sami@perkinswill.com</A> </SPAN><SPAN style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: rgb(31,73,125); FONT-SIZE: 11pt"><A href="http://www.perkinswill.com/" target=_blank><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: gray; FONT-SIZE: 9pt; TEXT-DECORATION: none">www.perkinswill.com</SPAN></A></SPAN><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: gray; FONT-SIZE: 9pt"><U></U><U></U></SPAN></P>
<P style="MARGIN-BOTTOM: 3pt" class=ecxMsoNormal><B><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: gray; FONT-SIZE: 9pt">Perkins+Will.</SPAN></B><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: gray; FONT-SIZE: 9pt"> </SPAN><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: rgb(173,212,37); FONT-SIZE: 9pt">Ideas + buildings that honor the broader goals of society</SPAN><SPAN style="FONT-FAMILY: 'Arial','sans-serif'; COLOR: green; FONT-SIZE: 9pt"><U></U><U></U></SPAN></P>
<P class=ecxMsoNormal><SPAN style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: rgb(31,73,125); FONT-SIZE: 11pt"><U></U> <U></U></SPAN></P></DIV>
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<P class=ecxMsoNormal><B><SPAN style="FONT-FAMILY: 'Tahoma','sans-serif'; COLOR: windowtext; FONT-SIZE: 10pt">From:</SPAN></B><SPAN style="FONT-FAMILY: 'Tahoma','sans-serif'; COLOR: windowtext; FONT-SIZE: 10pt"> <A href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</A> [mailto:<A href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</A>] <B>On Behalf Of </B>Paul Riemer<BR><B>Sent:</B> Friday, February 03, 2012 10:44 AM<BR><B>To:</B> 'Brian Fountain'; <A href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</A></SPAN>
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<DIV class=h5><BR><B>Subject:</B> Re: [Equest-users] Dummy Zone & DOAS with heat wheel recovery<U></U><U></U></DIV></DIV>
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<P class=ecxMsoNormal>Don’t forget humidity!<SPAN style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: rgb(31,73,125); FONT-SIZE: 11pt"><U></U><U></U></SPAN></P>
<P class=ecxMsoNormal><SPAN style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: rgb(31,73,125); FONT-SIZE: 11pt"><U></U> <U></U></SPAN></P>
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<P class=ecxMsoNormal><B><SPAN style="FONT-FAMILY: 'Verdana','sans-serif'; COLOR: rgb(95,87,79); FONT-SIZE: 9pt">Paul Riemer, PE, LEED AP BD+C</SPAN></B><SPAN style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: rgb(31,73,125); FONT-SIZE: 9pt"> <U></U><U></U></SPAN></P>
<P class=ecxMsoNormal><B><SPAN style="FONT-FAMILY: 'Verdana','sans-serif'; COLOR: rgb(192,0,0)">DUNHAM</SPAN></B><SPAN style="FONT-FAMILY: 'Verdana','sans-serif'; COLOR: rgb(192,0,0); FONT-SIZE: 11pt"><U></U><U></U></SPAN></P></DIV>
<P class=ecxMsoNormal><SPAN style="FONT-FAMILY: 'Calibri','sans-serif'; COLOR: rgb(31,73,125); FONT-SIZE: 11pt"><U></U> <U></U></SPAN></P>
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<P class=ecxMsoNormal><B><SPAN style="FONT-FAMILY: 'Tahoma','sans-serif'; COLOR: windowtext; FONT-SIZE: 10pt">From:</SPAN></B><SPAN style="FONT-FAMILY: 'Tahoma','sans-serif'; COLOR: windowtext; FONT-SIZE: 10pt"> <A href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</A> [mailto:<A href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</A>] <B>On Behalf Of </B>Brian Fountain<BR><B>Sent:</B> Friday, February 03, 2012 9:19 AM<BR><B>To:</B> <A href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</A><BR><B>Subject:</B> Re: [Equest-users] Dummy Zone & DOAS with heat wheel recovery<U></U><U></U></SPAN></P></DIV></DIV>
<P class=ecxMsoNormal><U></U> <U></U></P>
<P class=ecxMsoNormal>Note that at this point, the OA-FROM keyword is just setting the OA temperature for the borrowing system to the return air temperature for the lending system. It isn't really modelling DOAS yet. The issue this leads to is the heat recovery device is seeing the exhaust air stream temperature from the dummy zone, not the borrowing zones. <BR><BR>In heating dominated climates, this can be overcome by either adding a dummy internal load to the dummy zone to give it a higher return air temp for heat recovery or what I do is use the frost control to force the exhaust air stream temperature up to a reasonable value (73F) and put that as electric heat on a separate, free meter. In a cooling dominated climate, I don't know how you would force that dummy zone return temperature down.<BR><BR><BR><BR>On 2/3/2012 7:44 AM, Soham Babu wrote: <U></U><U></U></P>
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<P class=ecxMsoNormal> <U></U><U></U></P>
· Create Dummy space & dummy zone <U></U><U></U><BR>
· Create DOAS as system as package single zone assign to dummy Zone<U></U><U></U><BR>
· For other system outside air from DOAS.<U></U><U></U><BR>
<P class=ecxMsoNormal> <U></U><U></U></P>
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<P class=ecxMsoNormal><B>From:</B> <A href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</A> [<A href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</A>] <B>On Behalf Of </B>RIAD ABED<BR><B>Sent:</B> Friday, February 03, 2012 2:46 PM<BR><B>To:</B> <A href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</A><BR><B>Subject:</B> [Equest-users] Dummy Zone & DOAS with heat wheel recovery<U></U><U></U></P></DIV></DIV>
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<P class=ecxMsoNormal><B><I>Dear All e-Quest Users</I></B><U></U><U></U></P>
<P class=ecxMsoNormal><B><I><BR></I></B>Please how to model a <B>Dummy Zone</B> & <B>DOAS with heat wheel device</B> (dedicated outdoor outside air) in e-Quest….I need it please very urgent …if somebody please help me…..Your reply is very very highly appreciated …thanks by Advance<U></U><U></U></P>
<P class=ecxMsoNormal> <U></U><U></U></P>
<P class=ecxMsoNormal>My Regards,<BR><B>Riad el Abed</B><BR><B>Chief MEP , PQP</B><BR>Tel <A target=_blank>+96170 643977</A><U></U><U></U></P>
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<P class=ecxMsoNormal><B>DEC Consultants</B><BR>Po Box 26330<BR>Abu Dhabi<BR>Tel <A target=_blank>+9712 4457505</A><BR>Fax <A target=_blank>+9712 4457506</A><BR><A href="http://www.dec.ae/" target=_blank>www.dec.ae</A><U></U><U></U></P>
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