<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><span>how to change the hvac design values in detail model should i need to delete the older one written and create child component acc to my requirement<br></span></div><div><br></div> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <div class="y_msg_container"> <hr size="1"><font face="Arial" size="2"><b><span style="font-weight:bold;"></span></b></font><br></div> </div> </div> </div></body></html>