Installing The Rear Panel Onto The Wall; Removing The Grille To Install The Indoor Unit - Panasonic S-12MU1U6 Installation Instructions Manual

3-47. Installing the Rear Panel onto the Wall

Confi rm that the wall is strong enough to support the unit.
See either Item a) or b) below depending on the wall type.
a) If the Wall is Wooden
(1) Attach the rear panel to the wall with the 10 screws provided.
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"
dia. holes in the panel over the stud locations and then mount
the rear panel.
(2) Check with a tape measure or level gauge. This is important
so that the unit is correctly installed. (Fig. 3-157)
(3) Make sure the panel is fl ush 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. 3-158)

3-48. 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 excepting S-18MK1U6 and
S-19MS1U6.
Removing the grille
(1) Lift up on both sides of the air-intake grille to open it.
(Fig. 3-159)
(2) Remove the fi lter. (Fig. 3-159)
(3) Adjust the fl ap so that it is horizontal. (Fig. 3-160)
(4) Open the installation screw covers below the grille
(3 locations). (Fig. 3-160)
(5) Remove the screws. (Fig. 3-160)
(6) Remove the grille. (Fig. 3-161)
Attaching the grille
(1) Close the fl ap.
(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 fi tted tightly together.
VRF_Indoor_US.indb 50 VRF_Indoor_US.indb 50
Filter
Flap
Remove the grille
50
Fig. 3-157
3/16"
dia. hole
Rawl plug
Fig. 3-158
Intake grille
Open the grille
Fig. 3-159
Installation screw cover
Fig. 3-160
Fig. 3-161
2011/09/30 12:23:10 2011/09/30 12:23:10