920-007-12

WallMaster chassis installation instructions for WS, WE and WY models (WSC-A sleeve)

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 caulking on both the outside and inside to prevent rain entry.

Figure 10

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STEP 2 CheckConthe electrical6receptacledenser to see that it conforms to