<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"> <div id="yui_3_16_0_1_1449957901815_16603">Good morning,</div><div id="yui_3_16_0_1_1449957901815_16627"><br></div><div id="yui_3_16_0_1_1449957901815_16653" dir="ltr">I am modeling a school and the system includes ERV and enthalpy economizers as well as DCV.</div><div id="yui_3_16_0_1_1449957901815_16625">What is the best way to do DCV in eQuest (step-by-step) for LEED/ASHRAE. What are the inputs at the system level and at the zone level?</div><div id="yui_3_16_0_1_1449957901815_16628"><br></div><div id="yui_3_16_0_1_1449957901815_16626" dir="ltr">For ERV, the RTU fan takes care of the whole system (there is no self-contained fan for ERV). In that case should the static pressure drop be reduced to minimum allowed? </div><div id="yui_3_16_0_1_1449957901815_16802" dir="ltr"><br></div><div id="yui_3_16_0_1_1449957901815_16787" dir="ltr">I have zone level OA/person and OA/sq.ft. inputs no system level OA. ERV is set up as enthalpy wheel.</div><div id="yui_3_16_0_1_1449957901815_16687" dir="ltr"><br></div><div id="yui_3_16_0_1_1449957901815_16688" dir="ltr">Thank you,</div><div id="yui_3_16_0_1_1449957901815_16754" dir="ltr">Beran</div></div></body></html>