Fig. 11
(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
(5) Measure the thickness of the wall from the inside
edge to the outside edge and cut PVC pipe at a
slight angle 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
suspend the unit.
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. 13a or 13b)
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 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 4.8 mm dia. holes in the wall. Insert rawl plugs
for appropriate mounting screws. (Fig. 15)
Hole Dia. (mm)
MCAF78/98/128 MCAF188/248
65 80
4.8 mm dia. hole
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