LG BG-81A - Manual (Page 18)

— 18—
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 FIG. 3
4
3.5 PROCEDURE C
Redirect the louvers at the back of the wall sleeve to 60°
angle as shown in the FIG 3
0. 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 26-1/2"
wide and 15-1/2" high or to the sleeve dimensions. 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. Fasten the bracket to the upside of the
wall sleeve using the washer screw. The bracket
prevents the unit from leaving the sleeve.
Remove the backing from the Horizontal Insulation strip
23
7/32 x 1 3/8 x 1 3/16 and attach that to the inside right of the
sleeve as shown below. Remove the backing from the
Around Insulation strip 59
27/32 x 1 3/8 x 1 3/8 and attach that
to the inside front of the sleeve as shown below.
If the depth of your existing 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.
Remove the backing from the support blocks and attach
them to the inside of the wall sleeve as shown FIG 3
5.
Slide the baffle into slots of the support blocks
Wall
Wall
Sleeve
Baffle
Front Support
Block
( 7 3/32 " )
FIG. 3 5
1
4
2
3
FIG. 3 1
or
Bracket Bracket
FIG. 3 2
Rear Louvers
(Top View)
60 °
7 13/16 "
60 °
FIG. 3 0
5
6 Place the plastic grille
Fasten the screws and the bracket
8 1 /
2
"
Indoor Outdoor
Around Insulation
Horizontal Insulation
FIG. 3 3