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PROCEDURE B
L1 Redirect the louvers at the back of the wall
sleeve to60 ° angle as shown in the FIG 7. The
use of pliers is recommended.
7 5,16"
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Rear Louvers
(Top View)
/_0 _
FIG. 7
_lf the wall sleeve already has a rear grille, skip
to step 4. If the wall sleeve does not have a rear
grille or Iouvered 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.
Place the plastic grille
FIG. 8
_J_ 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 screws
FIG. 9
L_I Remove the backing from the Horizontal
Insolation strip 13/8x 5s8x 273/16and attach that
to the inside bottom of the sleeve as shown
below. Remove the backing from the Around
Insulation strip 13/8x 3/4x 611/2and attach that to
the inside front ol the sleeve as shown below.
FIG. lC
_"_ 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.
Depth"D" ofthe existing Length"A"
wallsleeve (inches) (inches)
18 <D<_18-% 3/4
18-%<D<_19-3/4 1-3/4
19-_/4<D_<22 4
Baffle
_._ FIG. 11
r_ Remove the backing from the support blocks
and attach them to the inside of the wall sleeve
as shown FIG 8. Slide the baffle into slots of the
support blocks.
Wall
Wall
Sleeve
_'_ Install the new unit into the wall sleeve.
FIG. 12
-8-
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