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<body class='hmmessage'><div dir='ltr'><font face="Arial" size="2" color="#000000">Dear all,</font><div><font face="Arial" size="2" color="#000000"><font size="2"> I have a system where smoking zones are to be supplied by an AHU, and all the smoking zones shall be exhausted through only one AHU, which is located at the building roof.</font><br><br><font size="2"> My question is: How to define the smoking zone's exhaust to the roof AHU, while it's supply air is still supplied by the floor's AHU (parent system)?</font><br id="FontBreak"></font><br><br><blockquote class="ecxwebkit-indent-blockquote" style="border:none;padding:0px;"><b><font class="ecxApple-style-span" face="Tahoma" size="2">Omar ElRawy</font></b></blockquote><blockquote class="ecxwebkit-indent-blockquote" style="border:none;padding:0px;"><span class="ecxApple-style-span" style="background-color:rgb(255, 255, 255);"><font class="ecxApple-style-span" face="Tahoma" size="2">Project Engineer,</font></span></blockquote><blockquote class="ecxwebkit-indent-blockquote" style="border-top-style:none;border-right-style:none;border-bottom-style:none;border-left-style:none;border-width:initial;border-color:initial;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;"><font size="2"><span class="ecxApple-style-span" style="background-color:rgb(255, 255, 255);"><font class="ecxApple-style-span" face="Tahoma"><font class="ecxApple-style-span">EA Sustainable Building Consultants</font><br></font></span><span class="ecxApple-style-span" style="background-color:rgb(255, 255, 255);"><font class="ecxApple-style-span" face="Tahoma"><a class="ecxparsedLink" href="http://www.ea-buildingconsultants.com/" target="_blank">www.ea-buildingconsultants.com</a></font></span></font></blockquote><hr style="font-size:10pt;"></div> </div></body>
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