Friedrich Thru-the-Wall Serie Guía De Instalación Y Funcionamiento página 16

PROCEDURE C
1 Redirect the louvers at the back of the wall
sleeve to 60° angle as shown in the FIG 16.
The use of pliers is recommended.
60°
Rear Louvers
(Top View)
If the wall sleeve already has a rear grille, skip to
2
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.
Place the plastic grille
Fasten the 4 washer screws to secure the grille
3
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.
Bracket
Fasten the screws and the bracket
7 13 / "
16
60°
FIG. 16
FIG. 17
Bracket
or
FIG. 18
Remove the backing from the Horizontal
4
Insulation strip 1 3 / " x 1
8
that to the inside bottom of the sleeve as shown
below. Remove the backing from the Around
Insulation strip 1 " x 1
3 /
8
to the inside front of the sleeve as shown below.
Around Insulation
Horizontal Insulation
If the depth of your existing sleeve is less than
5
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" of the existing
wall sleeve (inches)
18 D 18- 5 /
8
18- 5 / D 19- 3 /
8 4
19- 3 / D 22
4
Remove the backing from the support blocks
6
and attach them to the inside of the wall sleeve
as shown FIG 21. Slide the baffle into slots of
the support blocks
Wall
Wall
Sleeve
Front
16
3 / " x 27 3 / " and attach
8 16
" x 61 " and attach that
3 / 1 /
8 2
FIG. 19
A
Length "A"
(inches)
Support
Block
3 /
4
1- 3 /
Baffle
4
4 A
FIG. 20
( )
7 13 / "
16
Baffle
Support
Block
FIG. 21