LG LT1237HNR Owners Manual - Page 14

Installation PROCEDURE B 1 Redirect the louvers at the back of the wall sleeve to 60° angle as shown in Figure 8. The use of pliers is recommended. 60° Rear Louvers 7 3/32" (Top View) 60° 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 Figure 8 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 inside of the wall sleeve at the rear flange. 9 1/2" 6" Figure 11 5 If the depth of your existing wall sleeve is less than or equal to 18", skip to step 6. 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 18-5/8 D 19-3/4 19-3/4 D 22 Length A (inches) 3/4 1-3/4 4 Place the plastic grille Figure 9 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. A Support Block Baffle A Figure 12 or Fasten the screws Figure 10 14 Room Air Conditioner