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1-165

1-164

1. Specifications

(4) Using a sabre saw, keyhole saw or hole-cutting drill

attachment, cut a hole in the wall. See Table 1-15 and
Fig. 1-150.

Table 1-15

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. 1-151)

(6) Place the plastic cover over the end of the pipe (for indoor side

only) and insert the pipe in the wall. (Fig. 1-152)

6-47. Install the Rear Panel on the Wall

Be sure to confirm that the wall is strong enough to suspend the

unit.
There are a number of screw holes on the rear panel.
Using the 8 screw holes with mark is recommended to attach

the rear panel securely to the wall.

NOTE

Be sure to install the unit within the range of the wall.

If Wooden Wall

(1) Attach the rear panel to the wall with the 8 screws provided.

(Fig. 1-153)

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 measure that the

panel is level. This is important to install the unit properly. (Fig.
1-154)

(3) Make sure the panel is flush against the wall. Any space

between the wall and unit will cause noise and vibration.

NOTE

Hole should be made at a slight downward slant to the outdoor

side.

Fig. 1-150

Fig. 1-151

Fig. 1-152

Fig. 1-153

Fig. 1-154

Outdoor
side

Indoor
side

PVC pipe (Locally purchased)

Cut at slight angle

INSIDE OUTSIDE

Plastic cover

(Locally purchased)

PVC pipe

Slight
angle

Wall

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2015-9-1 13:07:57

6-48. Removing and Installing the Grille

Basically, these models can be installed and wired without

removing the grille. If access to any internal part is needed,

follow the steps as given below.

How to remove the grille

(1) Open the front panel until it is nearly horizontal, grasp the

sections near the front panel arms on both sides, and then
remove the panel by pushing the arms towards the outside
while pulling the panel towards you.
If the front panel is difficult to remove, grasp both ends of it
and lift it up slightly. Move it to the left and disengage the left
arm, then move it to the right and disengage the right arm.
(Fig. 1-155)

(2) Lift the anti-mold filter up slightly to disengage it from the

protrusions on the unit, and then pull downward to remove the
filter from the unit. (Fig. 1-155)

(3) Remove the 3 screws from the front of the unit and remove

the screw covers on the bottom surface. Then remove the 2
screws. (Fig. 1-156)

(4) Remove the screw on the right side cover plate and remove

the cover. (Fig. 1-156)

(5) Remove the lower flap by disengaging 4 pins of the lower flap

in order. (Figs. 1-157 and 1-158)

(The flap is so flexible that it can be easily removed.)

(6) Lift up the grille in the direction shown by the arrow and pull

the grille towards you to remove it. (Fig. 1-159)

How to replace the grille

(1) While aligning the top edge of the grille with the frame, move

the grille horizontally and insert the top and bottom into the
frame.

(2) Press the grille firmly with your hand to ensure no gap exists

between the frame and grille.

(3) Tighten the 6 screws. And fix the removed covers in place.
(4) Grasp the sections near the front panel arms on both sides,

and hold the front panel so that it is nearly horizontal. Push the
arm shafts towards the outside so that they come into contact
with the top of the indentations on the right and left sides of the
air conditioner. Then push firmly until the arm shafts click into
place. (Fig. 1-160)

(5) Remount the lower flap.

(In remounting the flap, it cannot be turned end for end
because the right and left pins of the flap differ in form.
(Fig. 1-158))

(6) Insert the top of the anti-mold filter, and then secure the

bottom of the filter with the protrusions on the unit.

(7) When closing the front panel, push the central part of the front

panel first and then press the bottom right and left corners in
place until you feel a click. (Fig. 1-161)

NOTE

Check that no gap exists between the frame and the grille.

Front panel

Anti-mold filter

Arm

Protrusions