<div dir="ltr">thank you for your response Bhartendu, much appreciated.<br><div><br></div><div>Chris</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 8, 2021 at 12:35 PM Bhartendu Awasthi <<a href="mailto:bhartendu.awasthi90@gmail.com" target="_blank">bhartendu.awasthi90@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:georgia,serif;color:rgb(7,55,99)">
<p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt" id="gmail-m_5317994063958323410gmail-m_4653132727252854504gmail-docs-internal-guid-bae4d83a-7fff-09d3-8111-a89d64ec9f03"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Chris,</span></font></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">To answer your questions, I am starting with DOE definitions for these inputs: </span></font></span></p><ol style="margin-top:0px;margin-bottom:0px"><li dir="ltr" style="list-style-type:decimal;color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt" role="presentation"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Number systems (multiplier): number of separate VRF systems that are represented by the condensing unit. This is effectively a multiplier on the outdoor unit that represents multiple identical VRF systems. All systems are assumed to be equally sized.</span></font></span></p></li><li dir="ltr" style="list-style-type:decimal;color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt" role="presentation"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Max cap/system: maximum rated cooling capacity of one VRF system represented by the condensing unit.</span></font></span></p></li><li dir="ltr" style="list-style-type:decimal;color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt" role="presentation"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Number outdoor units: number of outdoor units that are networked together to serve a set of indoor units. All units are assumed to be equally sized.</span></font></span></p></li><li dir="ltr" style="list-style-type:decimal;color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt" role="presentation"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Cooling capacity: total rated cooling capacity of the condensing unit. If Number outdoor units or Number systems (multiplier) is greater than 1, then the Cooling capacity is the total of all VRF systems defined for the condensing unit.</span></font></span></p></li></ol><p style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;margin-left:40px"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Cooling capacity = [capacity of one unit] * Number outdoor units * Number systems (multiplier)</span></font></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><br></span></font></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Now, as per my understanding of these definitions, number systems (multiplier) and max cap/system represent the inputs for VRF units (PVVT and/or DOAS) modelled separately whereas number of outdoor units and cooling capacity are condensing unit’s inputs. Based on this, number systems (multiplier) will exceed 1 when we are modelling a condensing unit which is serving multiple VRF units (PVVT and/or DOAS).</span></font></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><br></span></font></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">So in your case, inputs will be:</span></font></span></p><ol style="margin-top:0px;margin-bottom:0px"><li dir="ltr" style="list-style-type:decimal;color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt" role="presentation"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Number outdoor units: 2</span></font></span></p></li><li dir="ltr" style="list-style-type:decimal;color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt" role="presentation"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Cooling capacity: 24 Tons (12*2)</span></font></span></p></li></ol><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Not sure how you have modeled the VRF units, so no comments on the other two inputs. I hope it helps.</span></font></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><br></span></font></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Let us wait and see how fellow eQuesters interpret this.</span></font></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-family:arial,sans-serif"><span style="font-size:11pt;color:rgb(7,55,99);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><br></span></span></p><span style="font-family:arial,sans-serif">

</span></div><div><div dir="ltr"><div dir="ltr"><p class="MsoNormal" style="margin:0in 0in 0.0001pt"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99)">Warm Regards,<span></span></span></font></span></p><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99)">

</span></font></span><p class="MsoNormal" style="margin:0in 0in 0.0001pt"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99)"><b>Bhartendu
Awasthi<span></span></b></span></font></span></p><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99)">

</span></font></span><p class="MsoNormal" style="margin:0in 0in 0.0001pt"><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99)">-------------------------------------------------<span></span></span></font></span></p><span style="font-family:arial,sans-serif"><font size="2"><span style="color:rgb(7,55,99)">

</span></font></span><p class="MsoNormal" style="margin:0in 0in 0.0001pt"><font size="2"><span style="font-family:arial,sans-serif"><span style="color:rgb(7,55,99)">LEED
AP BD+C, WELL AP, IGBC AP, GRIHA CP<span></span></span></span></font></p><font size="2"><span style="font-family:arial,sans-serif"><span style="color:rgb(7,55,99)">

</span></span></font><p class="MsoNormal" style="margin:0in 0in 0.0001pt"><font size="2"><span style="font-family:arial,sans-serif"><span style="color:rgb(7,55,99)">GEM
CP, ECBC Design Consultant – PEDA<span></span></span></span></font></p><font size="2"><span style="font-family:arial,sans-serif"><span style="color:rgb(7,55,99)">

</span></span></font><p class="MsoNormal" style="margin:0in 0in 0.0001pt"><font size="2"><span style="font-family:arial,sans-serif"><span style="color:rgb(7,55,99)">Energy
& Sustainability Consultant<span></span></span></span></font></p><font size="2"><span style="font-family:arial,sans-serif"><span style="color:rgb(7,55,99)">

</span></span></font><p class="MsoNormal" style="margin:0in 0in 0.0001pt"><font size="2"><span style="font-family:arial,sans-serif"><span style="color:rgb(7,55,99)"><span class="gmail_default" style="color:rgb(7,55,99)">Pithoragarh, Uttarakhand</span>,<span class="gmail_default" style="color:rgb(7,55,99)"></span><span class="gmail_default" style="color:rgb(7,55,99)"> </span>India<span></span></span></span></font></p><font size="2"><span style="font-family:arial,sans-serif"><span style="color:rgb(7,55,99)">

</span></span></font><p class="MsoNormal" style="margin:0in 0in 0.0001pt"><font size="2"><span style="font-family:arial,sans-serif"><span style="color:rgb(7,55,99)"><b>M</b><span>: +91 97846 53604</span> | <b>S</b><span>: bhartendu_awasthi<span></span></span></span></span></font></p><font size="2"><span style="font-family:arial,sans-serif"><span style="color:rgb(7,55,99)">

</span></span></font><p class="MsoNormal" style="margin:0in 0in 0.0001pt"><font size="2"><span style="font-family:arial,sans-serif"><span style="color:rgb(7,55,99)"><b>L</b></span><span><span style="color:rgb(0,32,96)"><span style="color:rgb(7,55,99)">: <a href="https://www.linkedin.com/in/bhartenduawasthi" target="_blank">bhartenduawasthi</a> | <b>T</b>: <a href="https://twitter.com/iam_bhartendu" target="_blank">iam_bhartendu</a></span></span></span></span></font></p></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 8, 2021 at 7:57 PM Chris Hadlock via Equest-users <<a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div style="margin:0px;padding:0px;border:0px none;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:Tahoma,Geneva,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><span style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit">Good afternoon,</span></div><div style="margin:0px;padding:0px;border:0px none;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:Tahoma,Geneva,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit">I'm looking to better understand the Condensing Unit inputs in eQuest 3.65 (build 7175) using DOE 2.3.</div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit">My project has two (2) 12 Ton condensing units (same capacity) serving approximately 40 zones.</div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit">I'm trying to better understand the following inputs <span style="margin:0px;padding:0px;border:0px none;font:inherit;vertical-align:baseline;color:inherit">(and how they relate)</span>: "Num system (multiplier)", "Max cap/system", and "Cooling Capacity". </div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit">Per the screen capture below, is the Max cap/system input the maximum cooling capacity of each condensing unit? So in my case this would be 12 Tons?</div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit">How (if at all) does this relate to the cooling capacity and heating capacity specified under Cooling Performance and Heating Performance (circled in the image below)...is that again the capacity per condensing unit? If so, is this a redundant input to the<span style="margin:0px;padding:0px;border:0px none;font:inherit;vertical-align:baseline;color:inherit"> </span><span style="margin:0px;padding:0px;border:0px none;font:inherit;vertical-align:baseline;color:inherit">Max cap/system input specified above?</span></div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit">Additionally, can someone provide an example of when the "Num systems (multiplier)" input would exceed 1? </div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit"><img src="cid:ii_ktblhat50" alt="image.png" width="542" height="365"><br></div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit"><br></div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;font-family:inherit;vertical-align:baseline;color:inherit">Thanks in advance for any help.</div><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:15px;line-height:inherit;font-family:inherit;vertical-align:baseline;color:rgb(32,31,30)"><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:10pt;line-height:inherit;vertical-align:baseline;color:rgb(0,0,0)"><br></div><div style="margin:0px;padding:0px;border:0px none;font:inherit;vertical-align:baseline;color:inherit"><div style="margin:0px;padding:0px;border:0px none;font:inherit;vertical-align:baseline;color:inherit"></div><div style="margin:0px;padding:0px;border:0px none;font:inherit;vertical-align:baseline;color:inherit"></div><div style="margin:0px;padding:0px;border:0px none;font:inherit;vertical-align:baseline;color:inherit"></div><div dir="ltr" style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:12pt;line-height:inherit;font-family:Calibri,Helvetica,sans-serif;vertical-align:baseline;color:rgb(0,0,0)"><p style="margin-top:0px;margin-bottom:0px"></p><div style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:13.3333px;line-height:inherit;font-family:Tahoma,serif,EmojiFont;vertical-align:baseline;color:inherit"><span style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:inherit;line-height:inherit;font-family:Tahoma,arial,helvetica,sans-serif,serif,EmojiFont;vertical-align:baseline;color:inherit">---</span><br></div><span style="margin:0px;padding:0px;border:0px none;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;font-size:13.3333px;line-height:inherit;font-family:Tahoma,arial,helvetica,sans-serif,serif,EmojiFont;vertical-align:baseline;color:inherit"><b>Chris Hadlock</b></span></div></div></div></div></div>
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