<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have building with 6 chillers (2 different capacities) and I would like to model them with 14 stages of operation. How can I independently control the increment (add chiller) and decrement (stop lag chiller) of an individual chiller stage. I was using equipment control, however, the saw tooth approach does not account for the overlap of plant stages. Thank you for your time.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Regards,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span style='font-size:12.0pt;color:#0066CC'>Janne Kairento LEED AP, EIT</span></b><o:p></o:p></p><p class=MsoNormal><span style='color:#0066CC'>Designer</span><o:p></o:p></p><p class=MsoNormal><b><span style='font-size:12.0pt;color:#0066CC'>B2Q Associates, Inc.</span></b><o:p></o:p></p><p class=MsoNormal><span style='color:#0066CC'>146 Main Street</span><o:p></o:p></p><p class=MsoNormal><span style='color:#0066CC'>North Andover, MA 01845</span><o:p></o:p></p><p class=MsoNormal><span style='color:#0066CC'>Office: 978.208.0609 x209</span><o:p></o:p></p><p class=MsoNormal><span style='color:#0066CC'>Fax: 978.719.6339</span><o:p></o:p></p><p class=MsoNormal><span style='color:#0066CC'>Mobile: 978.210.7397</span><o:p></o:p></p><p class=MsoNormal><span style='color:#0066CC'><a href="http://www.b2qassociates.com/"><span style='color:blue'>www.b2qassociates.com</span></a><o:p></o:p></span></p><p class=MsoNormal><span style='color:#0066CC'><o:p> </o:p></span></p><p class=MsoNormal>The contents of this e-mail and any attachments are confidential and the property of the B2Q Associates, Inc. The e-mail contents are only to be used by the intended recipient of the e-mail. If you are not the intended recipient then use, disclosure, copying, distribution or reliance on the e-mail is prohibited. All professional advice from us should be obtained in writing (not e-mail).<o:p></o:p></p><p class=MsoNormal><span style='color:#0066CC'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>