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13
920-007-12
These instructions are provided for installation of WallMaster air
conditioner chassis models into thru-the-wall sleeves. This chassis
has been UL approved with the sleeve listed on the serial nameplate
of this chassis. Important warranty information is provided on pages
17 and 18. Keep these instructions in a convenient location for any
warranty service that may be required.
STEP 1 Check the sleeve to be certain it has been correctly installed
in the wall. Remove the corrugated front panel on the WSC
SLEEVE. Remove the rear WEATHER PANEL. Reverse
grille. Place lower edge into sleeve tab (Friedrich logo facing
out). Align slots with screw holes. Secure grille with screws.
A. Check the anchor screws. There should be four
(4) in the WSC SLEEVE (two in each side).
B. Determine if the sleeve has a downward slope,
to the outside, of ½ bubble on a level. See
page 10 for further details.
C. Check to be sure the sleeve has been sealed
around all edges with an industrial type
caulk ing on both the outside and in side to
prevent rain entry.
Figure 10