QA-Deluxe QA-Deluxe 3300W - Manuals

2 Whole House Fans are designed to pull in fresh, cool air from the outside through open windows in your home. Hot air that is in the home is pulled up through the fan and into the attic, and then exhausted through vents in the roof, under eaves, soffits or gables. STEP 1: SELECT THE INSTALLATION SI...

3 1. **Warning: Cut out drywall to the dimensions of the Grille and not to the dimensions of the metal damper box.  From inside the attic at your predetermined location drill two holes at the edge of the joist approximately 12 inches apart.  From inside the home use the two newly drilled holes as ...

4 3. Installing Damper Box  Attach the supplied brackets to the joist as shown in the picture below using the 1 ½” hex screws.  Place the damper box on top of the brackets as shown in the picture below and screw one side of the damper box to the joist. The brackets will support the weight of the d...