Installation
PROCEDURE B
1 | Redirect the louvers at the back of the wall |
| sleeve to 60° angle as shown in the FIG 9. The |
use of pliers is recommended.
| 7 3/32" |
60° | 60° |
| Rear Louvers |
| (Top View) |
| FIG. 9 |
2 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
Place the plastic grille | FIG. 10 |
|
|
3 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
4 Remove the backing from the Horizontal Insulation strip 13/8" x 5/8" x 27 3/16" 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" x 611/2" and attach that to the inside front of the sleeve as shown below.
Around Insulation
Horizontal Insulation
FIG. 12
5 Remove the metal rear grille and replace it with the plastic rear grille to improve unit energy efficiency. The plastic grille reduces the amount of hot air discharge that recirculates through the unit.
Plastic rear grille
Steel rear grille
FIG. 13
6 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.
Parts and
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 | Bracket |
Fasten the screws and the bracket | or |
FIG. 11 |
Depth"D" of the existing | Length "A" | |
wall sleeve (inches) | (inches) | |
|
|
|
18 D | 3/4 | |
D |
| |
D 22 | 4 | |
A
Support
Block
Baffle
A
FIG. 14
14
