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(4) Using a sabre saw, key hole saw or hole-cutting drill
attachment, cut a hole in the wall. See Table 4 and
Fig. 10.
Table 4
Hole Dia.
3-5/32" (80 mm)
(5) Measure the thickness of the wall from the inside
edge to the outside edge and cut PVC pipe at a
slight angle 1/4" (6 mm) shorter than the thickness of
the wall. (Fig. 11)
(6) Place the plastic cover over the end of the pipe (for
indoor side only) and insert the pipe in the wall. (Fig.
12)
3-3. Install the Rear Panel on the Wall
Be sure to confirm that the wall is strong enough to sus-
pend the unit.
There are a number of screw holes on the rear panel.
Using the 8 screw holes with
to attach the rear panel securely to the wall.
See either Item a) or b) below depending on the wall type.
a) If Wooden Wall
(1) Attach the rear panel to the wall with the 8 screws
provided. (Fig. 13)
If you are not able to line up the holes in the rear
panel with the beam locations marked on the wall,
use rawl plugs or toggle bolts to go through the
holes on the panel or drill 3/16" (5 mm) dia. holes in
the panel over the stud locations and then mount the
rear panel.
(2) Double check with a carpenter's level or tape mea-
sure that the panel is level. This is important to
install the unit properly. (Fig. 14)
(3) Make sure the panel is flush against the wall. Any
space between the wall and unit will cause noise
and vibration.
b) If Block, Brick, Concrete or Similar Type Wall
Make 3/16" (4.8 mm) dia. holes in the wall. Insert rawl
plugs for appropriate mounting screws. (Fig. 15)
mark is recommended
NOTE
Hole should be made at a slight downward slant to the
outdoor side.
Indoor
side
PVC pipe (Locally purchased)
INSIDE
Plastic cover
(Locally purchased)
13
Outdoor
side
Fig. 10
Cut at slight angle
Fig. 11
OUTSIDE
Wall
PVC pipe
Slight
angle
Fig. 12
Fig. 13
Fig. 14
3/16"
(4.8 mm) dia. hole
Rawl plug
Fig. 15
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