Heat Controller BD-101, BD-123, BDE-103, BDE-123, BD-81 manual Procedure C, Wall

3.5 PROCEDURE C

1 Redirect the louvers at the back of the wall sleeve to 60° angle as shown in the FIG 32. The use of pliers is recommended.

	7 13/16"
60°	60°

Rear Louvers

(Top View)

FIG. 32

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 26-1/2" wide and 15-1/2" high. Place the plastic grille to the inside of the wall sleeve at the rear flange.

4 Remove the backing from the Horizontal Insulation strip 13/8 x 13/8 x 273/16 and attach that to the inside bottom of the sleeve as shown below. Remove the backing from the Around Insulation strip 13/8 x 13/8 x 611/2 and attach that to the inside front of the sleeve as shown below.

Around Insulation

Horizontal Insulation

FIG. 35

5 If the depth of your existing 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" 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. 36

Place the plastic grille FIG. 33

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

6 Remove the backing from the support blocks and

attach them to the inside of the wall sleeve as shown FIG 37. Slide the baffle into slots of the support blocks

pressed into the square holes of the rear flanges.

or

Wall

Baffle

Wall

Sleeve

Front

(7 13/16")

Support Block

Fasten the screws FIG. 34

FIG. 37

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