Fire / Smoke Damper

To insert a fire or smoke damper, go to
Ribbon: DM HVAC→Ducts→  Fire/Smoke Damper
Pulldown Menu: DM HVAC→Fittings→Fire/Smoke Damper

You will be prompted to specify the duct on which a fire/smoke damper is to be inserted.

Select duct or label to insert fitting at:

The Damper Type dialog box will appear.

Inserting a Vertical Damper

Press the button to insert a vertical damper on the duct. The vertical damper will be inserted on the selected duct as shown below.

Inserting a Horizontal Damper

Press the button to insert a horizontal damper on the duct. The horizontal damper will be inserted on the selected duct as shown below.