PROCEDURE
B
D
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.
RearLouvers
(Top View)
7 3/32 ' _
_6_ 0°
FIG. 8
_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. 9
_1
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 pressing into the square holes
of the rear flanges.
OF
Fasten the screws
FIG. 10
_J_ Remove the backing from the Vertical Insulation
strip 159/16x 13/8x 13/8and attach that to the
inside right of the sleeve as shown below.
Remove the backing from the Around Insulation
strip 671/8x 13/8
x 25/32
and attach that to the
inside front of the sleeve as shown below.
FIG. 11
_"4_ If you wish to keep the unit be operated at
higher performance state, remove the steel rear
grille and attach the plastic rear grille. The
plastic rear grille will minimize the recirculation
of hot discharge air.
Plastic rear grille
Steel rear (
FIG. 12
r,_lf
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" o f theexisting
wallsleeve(inches)
18 <D_<18-%
18-% <D_<19-s/4
19-3/4<D _<22
Length"A"
(inches)
3/4
1-3/4
4
_
upport
Block
_
Baffle
A/
FIG. 13
-8-