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18
Room
Air
Conditioner
Installation
PROCEDURE
B
Redirect the
louvers
at
the
back
of
the
wall
sleeve
to
60°
angle
as
shown
in
the
FIG
8.
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
x273/16
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
x611/2
and
attach
that
totheinsidefrontofthesleeveasshown
below.
Ifthedepthofyourexistingwallsleeveisless
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.
Remove
the
backing
from
the
support
blocks
and
attach
them
to
the
inside
of
the
wall
sleeve
as
shown
FIG
9.
Slide
the
baffle
into
slots
of
the
support
blocks.
Install
the
new
unit
into
the
wall
sleeve.
1
4
2
3
FIG.
9
Around
Insulation
Horizontal
Insulation
FIG.
11
or
FIG.
10
Rear
Louvers
(Top
View)
60°
60°
7
5/16"
FIG.
8
Wall
Wall
Sleeve
Baffle
(7
5/16")
Front
Support
Block
FIG.
13
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
7
Place
the
plastic
grille
Fasten
the
screws
FIG.
12
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