<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:large;color:rgb(7,55,99)">See my answers below..</div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Feb 27, 2018 at 11:42 AM, Sprout Info_Mail via Bldg-sim <span dir="ltr"><<a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a>></span> wrote:<br><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">Dear Design Builder Users,<div><br></div><div>I have a few queries regarding modelling in Design Builder-</div><div><br></div><div>1. Is there by any chance an alternative to the VRF system type in a older version of Design Builder. I do not have the newer version of Design Builder and have been using an older version ie 3.2. The project that i need to model is for climate zone 3 as per ASHRAE 90.1.2010 and have selected the System type 4 ie PSZ-HP for the base case. However i want to model the design case with the actual VRF system or an alternative. Is there a way i can use an existing system and change only its COP value as per my design case?<div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:large;color:rgb(7,55,99);display:inline"> The simple answer is NO because both VRV/VRF and conventional has different performance characteristics t<span style="color:rgb(7,55,99);font-family:arial,helvetica,sans-serif;font-size:large;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">hough some workaround has been discussed on this forum in past as used by advance users</span>
. The
compressor unit uses variable refrigerant flow and is controlled by a variable-speed drive,
which may operate more efficiently than conventional compressors of similar size. <span style="color:rgb(7,55,99);font-family:arial,helvetica,sans-serif;font-size:large;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Refer this [</span><a href="https://smartech.gatech.edu/bitstream/handle/1853/50227/PARK-THESIS-2013.pdf" style="color:rgb(17,85,204);font-family:arial,helvetica,sans-serif;font-size:large;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)">LINK</a><span style="color:rgb(7,55,99);font-family:arial,helvetica,sans-serif;font-size:large;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">] to understand potential energy savings benefits of VRV compared to other conventional systems.</span></div></div><div><br></div><div>2. How do i model the additional lighting load that is calculated for my design as per ASHRAE 90.1 separately or does it have to be input in the regular lighting tab. <div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:large;color:rgb(7,55,99);display:inline"> I<span style="color:rgb(7,55,99);font-family:arial,helvetica,sans-serif;font-size:large;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">f the lighting loads are in unconditioned space</span> , you could assign additional lighting load to some non-regularly occupied spaces perhaps restroom, storage etc. </div></div><div><br></div><div>3. The project has not specified the building envelope material specifications like walls, roof etc since this is a Retail Interior V4 project. So construction of the project is not new and is 100% existing. However for envelope modelling purpose i have selected the standard base case values for new construction for both the base and design case. Is this right?<div class="gmail_default" style="display:inline"><font size="4" style="color:rgb(7,55,99);font-family:arial,helvetica,sans-serif"> </font><font size="4" style="color:rgb(7,55,99);font-family:arial,helvetica,sans-serif">Refer [</font><a href="https://www.usgbc.org/node/2613368?return=/credits/commercial-interiors/v4" style="color:rgb(7,55,99);font-family:arial,helvetica,sans-serif;font-size:large">Link</a><font size="4" style="color:rgb(7,55,99);font-family:arial,helvetica,sans-serif">] which says - </font><span style="text-align:start;text-indent:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><font size="4" style=""><i style=""><font face="proxima-nova-1, proxima-nova-2, Helvetica Neue, Arial, sans-serif" style=""><font color="#073763">the baseline project envelope must be modeled according to Table G3.1(5) (baseline), Sections a–e, and </font><font color="#ff0000">not Section f</font><font color="#073763">. You need to check in LEED
<i style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:large;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><font face="proxima-nova-1, proxima-nova-2, Helvetica Neue, Arial, sans-serif"><font color="#073763">ID+C v4</font></font></i>
reference guide for better clarity</font></font></i></font></span></div></div></div></blockquote><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:large;color:rgb(7,55,99);display:inline"></div> </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><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:large;color:rgb(7,55,99);display:inline">Hope this helps to some extent!!</div></div><div><br></div><div>Inputs appreciated on the above points.</div><div><br></div><div>TIA.</div><div><br></div><div>Namrata</div><div><br></div><div><div><br></div>-- <br><div class="gmail-m_-4967783757498710886gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><font face="arial black, sans-serif" size="4"><img src="http://www.sprout-green.com/assets/logo.png"></font></div><div><font size="2" face="trebuchet ms, sans-serif">Thanks and Regards ,</font></div><div><font face="arial black, sans-serif" size="4"><br></font></div><div><font size="2" face="tahoma, sans-serif">Pranati Shroff & Namrata Dhamankar </font></div><div><font face="arial black, sans-serif" size="4"><br></font></div><div dir="ltr"><div><span style="color:rgb(68,68,68)"><font style="background-color:rgb(255,255,255)" face="times new roman, serif" size="2"><span style="color:rgb(12,52,61)"><b>a:</b></span> Sprout ,Prabaht Printing Works , </font></span></div><div><span style="color:rgb(68,68,68)"><font style="background-color:rgb(255,255,255)" face="times new roman, serif" size="2">427 Gultekdi, Ind Estate Corner, </font></span></div><div><font color="#444444" face="times new roman, serif" size="2">2nd Floor, Pune-411037</font></div><div><span style="color:rgb(68,68,68)"><font style="background-color:rgb(255,255,255)" face="times new roman, serif" size="2"><span style="color:rgb(12,52,61)"><b>m:</b></span> 9922215467</font></span></div><div><span style="color:rgb(68,68,68)"><font style="background-color:rgb(255,255,255)" face="times new roman, serif" size="2"><b><span style="color:rgb(12,52,61)">e:</span><span style="color:rgb(12,52,61)"> </span> </b><a href="mailto:info@sprout-green.com" target="_blank">info@sprout-green.com</a> <b><br></b><a href="mailto:projects@sprout-green.com" target="_blank">projects@sprout-green.com</a></font></span></div><div><font style="background-color:rgb(255,255,255)" color="#999999" face="times new roman, serif" size="2"><span style="color:rgb(68,68,68)"><b><span style="color:rgb(12,52,61)">w:</span> </b><a href="http://www.sprout-green.com" target="_blank">www.sprout-green.com</a></span><a href="http://www.sprout-green.com" target="_blank"></a></font></div></div></div></div></div></div></div></div>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><font face="arial, helvetica, sans-serif" size="4"><div style="font-style:italic"><i><font color="#0b5394"><br></font></i></div><font color="#073763">Javed Iqbal, LEED AP, CEA<br>Sr. Energy Analyst</font></font></div><div dir="ltr"><font size="2"><font face="arial, helvetica, sans-serif" color="#000000"><br></font></font></div><div dir="ltr"><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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