5
A-2. Install the Mounting Plate
Step. 1 Setup position
a. Draw a line down the middle of the studs(See the Wall Construction, page 3)
b. Draw a vertical line on the wall at the center of the 30” wide space.
NOTE: Use the wall template for the rear wall.
Reference Wall Template prior to proceeding.
Installation of this product require TWO persons.
Step. 2 Drilling
Reference the Wall Template.
Step. 3 Install the damper
Fit the damper into the house duct. Be sure that the damper hinge is on the top and the damper swings free into the wall outlet.
Step. 4 Tightening the screws
Wall
House Duct
Damper
Foam Tape
Mounting Plate
To Attach the mounting plate to the wall using the toggle bolt assemblies and/or lag screws:
a. Insert toggle bolts through mounting plate at required locations and add the spring loaded toggles.
Be sure you leave space at least the thickness of the wall between the mounting plate and the end
of the toggle nut, (in closed position). If you do not leave this space, the toggle nut will not open
on the other side of the wall.
b. Position mounting plate on wall and insert toggle bolt assemblies through the drywall holes or
start the lag-screw(s) through the wall stud(s).
c. Next, secure mounting plate to the wall by tightening toggle bolt assemblies or lag screw(s).
d. Drill 3/16” diameter lag screw hole(s), into one or more wall studs.
(Remember, you must have at least one lag screw into a wall stud.)For stud
location refer to WALL CONSTRUCTION
see page 3
e. Tighten the lag screw(S) into wall stud(S)
Dry wall
Mounting plate
Take the 28" foam tapes and remove the paper from sticky side. Press the sticky side onto the front edge of the damper. (Don't stretch
the foam tape)
Spacing more than
Wall thickness
