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(2) Check with a tape measure or carpenter’s level. This is
important so that the unit is correctly installed. (Fig. 3-117)
(3) Make sure the panel is flush against the wall. Any space
between the wall and unit will cause noise and vibration.
b) If the Wall is Brick, Concrete or Similar
Drill 3/16" dia. holes in the wall. Insert Rawl plugs for
appropriate mounting screws. (Fig. 3-118)
3-32. Removing the Grille to Install the Indoor Unit
In principle, with this model wiring can be completed without
removing the grille.
However, if it is necessary to change the settings on the PCB,
follow the procedure below.
Removing the grille
(1) Lift up on both sides of the air-intake grille to open it.
(Fig. 3-119)
(2) Remove the filter. (Fig. 3-119)
(3) Adjust the flap so that it is horizontal. (Fig. 3-120)
(4) Open the installation screw covers below the grille
(3 locations). (Fig. 3-120)
(5) Remove the screws. (Fig. 3-120)
(6) Remove the grille. (Fig. 3-121)
Attaching the grille
(1) Close the flap.
(2) Keep the grille installation tabs aligned with the top portion of
the grille, and reinstall the lower portion of the grille.
Fit the installation tabs into the grooves and press the lower
portion of the grille back into its original position to install it.
(3) Press on the installation tabs to completely close the grille.
Check that the grille and frame are fitted tightly together.
3-33. Preparing the Tubing
(1) Arrangement of tubing by directions
a) Right or left tubing
The corner of the right or left frame should be cut with a
hack saw or similar. (Fig. 3-122)
b) Right-rear or left-rear tubing
In this case, the corners of the frame do not need to be
cut.
(2) Be sure to insulate the part of the drain hose that is
run indoors, and the refrigerant tubing.
If these are not insulated, condensation may result in
dripping and damage to walls and furniture.
The flare nuts on the 24-type (only) are large;
therefore, use the supplied insulation material.
Fig. 3-117
Fig. 3-118
Fig. 3-119
Fig. 3-120
Fig. 3-121
3/16"
dia. hole
Rawl plug
Filter
Flap
Open the
g
rille
Intake grille
Installation screw cover
Remove the
g
rille
Fig. 3-123
Frame
Right tubing
outlet
When left and ri
g
ht side tubin
g
Fig. 3-122
Installation tabs
Installation tabs
07-056 Mini_ECOi_II_NA 3/19/07 2:41 PM Page 53