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18 Room Air Conditioner
Installation
PROCEDURE B
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.
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 25-
1/2" wide and 15-1/4" high. 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.
Remove the backing from the Horizontal
Insulation strip 1
3
/
8
x
5
/
8
x27
3
/
16
and attach that
to the inside bottom of the sleeve as shown
below. Remove the backing from the Around
Insulation strip 1
3
/
8
x
3
/
4
x61
1
/
2
and attach that
totheinsidefrontofthesleeveasshown
below.
Ifthedepthofyourexistingwallsleeveisless
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 9. Slide the baffle into slots of
the support blocks.
Install the new unit into the wall sleeve.
1
4
2
3
FIG. 9
Around Insulation
Horizontal Insulation
FIG. 11
or
FIG. 10
Rear Louvers
(Top View)
60°
60°
7
5
/
16
"
FIG. 8
Wall
Wall
Sleeve
Baffle
(7
5
/
16
")
Front
Support
Block
FIG. 13
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
5
6
7
Place the plastic grille
Fasten the screws
FIG. 12
PTAC DIRECT SALES (877) 454-7822