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14
Room
Air
Conditioner
Installation
PROCEDURE
B
Redirect the
louvers
at
the
back
of
the
wall
sleeve
to 60°
angle
as
shown
in
the
FIG
9.
The
use
of
pliers
is
recommended.
If
the
wall
sleeve
already
has
a
rear
grille,
skip
to
step
4.
If
the
wall
sleeve
does
not
have
a
rear
grille
or
louvered
panel,
install
the
plastic
grille
from
the
kit.
Cut
the
plastic
grille
to
25-
1/2"
wide
and
15-1/4"
high.
Place
the
plastic
grille
to
the
inside
of
the
wall
sleeve
at
the
rear
flange.
Fasten
the
4
washer
screws
to
secure
the
grille
to
the
wall
sleeve.
If
you
need
plastic
nuts
to
mount
plastic
grille
to
the
inside
of
the
wall
sleeve,
there
are
plastic
nuts
in
the
installation
kit.
The
nuts
are
installed
from
the
inside
of
the
sleeve
and
are
pressed
into
the
square
holes
of
the
rear
flanges.
Remove
the
backing
from
the
Horizontal
Insulation
strip
13/8
x
5/8
x
273/16
and
attach
that
to
the
inside
bottom
of
the
sleeve
as
shown
below.
Remove
the
backing
from
the
Around
Insulation
strip
13/8
x
3/4
x
611/2
and
attach
that
to
the
inside
front of
the
sleeve
as
shown
below.
Remove
the
metal
rear
grille
and
replace
it
with
the
plastic
rear
grille
to
improve
unit
energy
efficiency.
The
plastic
grille
reduces
the
amount
of
hot
air
discharge
that recirculates
through
the
unit.
If
the
depth
of
your
existing
wall
sleeve
is
less
than
or
equal
to
18",
skip
to
step
7.
Otherwise,
cut
the
baffles
and
the
support
blocks
according
to
length
"A"
in
the
table
below.
1
4
2
3
FIG.
10
Around
Insulation
Horizontal
Insulation
FIG.
12
or
FIG.
11
Rear
Louvers
(Top
View)
60°
60°
7
5/16"
FIG.
9
Depth"D"
of
the
existing
wall
sleeve
(inches)
Length
"A"
(inches)
Support
Block
Baffle
A
A
3/4
1-3/4
4
18
D
18-5/8
18-5/8
D
19-3/4
19-3/4
D
22
5
6
Place
the
plastic
grille
Fasten
the
screws
FIG.
14
Steel
rear
grille
Plastic
rear
grille
Opra
i
onO
Th
e
rmosat
Cl
W
FIG.
13
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