4
5. Fasten housing to truss.
Secure housing to truss through housing flanges (4 places). Use the lowest and highest hole
in each housing flange.
6. Attach damper / duct connector.
Snap damper / duct connector to housing. Make sure connector is flush with top of housing
and damper flap falls closed.
7. Install 6” round ductwork.
Attach 6” round ductwork to duct connector. Run ductwork to the outside using a roof cap or
wall cap. Use duct tape to make connections secure and air tight.
NOTE: Fan will operate most efficiently when connected to the shortest length of ductwork
and a minimum number of elbows.