Heat Controller BG-81A, BG-123A, BG-101A Procedure B, Afig, Top View, wall sleeve inches, 1-3/4

PROCEDURE B

Redirect the louvers at the back of the wall

1 sleeve to 60° angle as shown in the FIG 8. The use of pliers is recommended.

	7 3/32"
60°	60°
	Rear Louvers
	(Top View)
	FIG.24

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 25-1/2" wide and 15-1/4" high. Place the plastic grille to the

4 Remove the backing from the Vertical Insulation strip 159/16 x 13/8 x 13/8 and attach that to the inside right of the sleeve as shown below. Remove the backing from the Around Insulation strip 671/8 x 13/8 x 25/32 and attach that to the inside front of the sleeve as shown below.

Indoor	Outdoor
Around Insulation
Vertical Insulation
9 1/2"	6"
	FIG. 27

5 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.

inside of the wall sleeve at the rear flange.

Place the plastic grille FIG.25

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 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. 26

Depth"D" of the existing		Length "A"
wall sleeve (inches)		(inches)
18 D	18-5/8	3/4
18-5/8	D 19-3/4	1-3/4
19-3/4	D 22	4

A

Support

Block

Baffle

A FIG. 28

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