DIY Installation: 3.5e/4.4e Overview
Basic tools and supplies
Tools and supplies required
- Screw driver
- Key hole or reciprocating saw
- Lumber
- High quality caulk
- 3-wire cable and wall switch mounting box
More
- Read the manual
- Installation video coming soon!
Cut out and frame the rough opening
Framing
- Frame the rough opening using existing attic joists
- Cut out the drywall
Secure the unit
Install the damper box
- Position the unit over the framed opening
- Make sure the junction box is easily accessible
- Secure the unit to the framing with provided screws
- Attach the collar with provided screws
Hang the fan
Fan installation
- Attach 4 S-hooks to 4 D-rings on the fan
- Use 4 lengths of provided chain to hang the fan from the attic rafters
- Close all S-hooks
- Tape down the unused D-rings
Ductwork installation
Attach the ductwork
- Attach one end of the duct work to the damper box collar
- Attach the other end of the duct work to the fan collar
- Secure with provided screws and foil tape
Wire the wall switch
More
Grille installation
Install the grille
- Caulk all framing joints
- Caulk the seam between the framing and the unit
- Secure the grille with the provided screws
Final steps and Operation
Plug it in
- Verify that the wall switch is in the off position
- Plug the fan control cord (white end) into the damper box
- Plug the damper box and fan power cord into 110-volt outlets
Unit operation
- Turn the unit on
- Damper doors open and then fan turns on
- Verify low and high speed operation
- Turn unit off
- Fan turns off and damper doors close