<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Rathna,<div class="">LG has a plug-in that works good with eQuest, I tried it and I noticed the % of energy saving will be on the region of 20% when compared to PTAC (Not compared to the App G. Baseline).</div><div class="">Thanks;</div><div class="">Sherif Farag</div><div class="">Technical Director</div><div class="">Integrated Environmental Services (IES) Ltd. </div><div class="">Abu Dhabi - UAE</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On May 27, 2015, at 11:18 AM, Rathna Shree <<a href="mailto:rathnashreep@yahoo.in" class="">rathnashreep@yahoo.in</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><div style="background-color: rgb(255, 255, 255); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 16px;" class=""><div id="yui_3_16_0_1_1432709861102_2418" class="">Dear All,</div><div id="yui_3_16_0_1_1432709861102_2532" class=""><br class=""></div><div id="yui_3_16_0_1_1432709861102_2563" class="">I worked on a couple of projects in equest using the VRF performance curves from Daikin and LG. The methodology i followed is as below:</div><div id="yui_3_16_0_1_1432709861102_2596" class=""><br class=""></div><div id="yui_3_16_0_1_1432709861102_2597" class="">1) Modelled packaged VAV with minimum flow ratio 1. <br class=""></div><div id="yui_3_16_0_1_1432709861102_2628" class="">2) Created systems based on number of ODU's and assigned multiple zones to the respective ODU. (Just like modelling a AHU)<br class=""></div><div id="yui_3_16_0_1_1432709861102_2793" class="">3) Inputted the ODU Cooling capacity and supply flow</div><div id="yui_3_16_0_1_1432709861102_2629" class="">4) Fans will be constant volume.</div><div id="yui_3_16_0_1_1432709861102_2630" class="">5) Since it is a cooling only system, i assigned only the "Cool EIR - fEWB-OAT", "Cool-EIR-fPLR" and "Cool cap-fEWB&OAT" curves. Rest were all default DX unit curves.</div><div id="yui_3_16_0_1_1432709861102_2736" class=""><br class=""></div><div dir="ltr" id="yui_3_16_0_1_1432709861102_2856" class=""> PVAV system is used as PSZ system cannot handle multiple zones well thus causing unmet hours.</div><div id="yui_3_16_0_1_1432709861102_2858" dir="ltr" class=""><br class=""></div><div id="yui_3_16_0_1_1432709861102_2735" class="">I did 2 trials, one with default DX curves and the other with performance curves from LG and Daikin. The results showed a decrease in cooling energy consumption by more than 30% thus impacting the overall energy consumption by more than 10%. <br class=""></div><div id="yui_3_16_0_1_1432709861102_2748" class=""><br class=""></div><div dir="ltr" id="yui_3_16_0_1_1432709861102_2829" class="">Is the simulation methodology and results appropriate? I feel the savings is on a higher side.</div><div id="yui_3_16_0_1_1432709861102_2871" dir="ltr" class=""><br class=""></div><div id="yui_3_16_0_1_1432709861102_2872" dir="ltr" class="">Please advise.<br class=""></div><div id="yui_3_16_0_1_1432709861102_2830" class=""><br class=""></div><div id="yui_3_16_0_1_1432709861102_2853" dir="ltr" class="">Regards,</div><div id="yui_3_16_0_1_1432709861102_2854" dir="ltr" class="">Rathnashree<br class=""></div></div></div>_______________________________________________<br class="">Bldg-sim mailing list<br class=""><a href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org" class="">http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org</a><br class="">To unsubscribe from this mailing list send a blank message to BLDG-SIM-UNSUBSCRIBE@ONEBUILDING.ORG<br class=""></div></blockquote></div><br class=""></div></body></html>