Converting Rigid Duct to Flex Duct

1. In the Project Browser, expand Views (all)Floor Plans, and double-click the mechanical view where you want to convert a rigid duct to a flexible duct.
2. Click Systems tabHVAC panel (Convert to Flex Duct), and on the Options Bar, enter the length of the flex duct segment for Length.

   A warning alert displays if you enter a length greater than the value for Maximum Flex Duct Length specified on the Options Bar.

3. Select the air terminal to which the duct that you want to convert is connected.

   The section of duct is converted to a flexible duct section.