Friedrich WallMaster WS Series Installation & Operation Manual page 11

920-007-11 (8-05)
WallMasterchassisinstallation instructions
"WS", "WE" and "WY" models
These instructions are provided lbr 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. Ilnpormnt warranty inlbrmafion is provided on
pages 14 and 15. Keep these instructions in a convenient location lbr any warranty service that may be required.
STEPI.
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 five (5) in the "WSC" SLEEVE (two in each side and one in the
top center).
B. Determine if the sleeve has a downward slope, to the outside, of 1/2 bubble on a level. See page 10 lbr further
details.
STEP2.
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.
Check the electrical receptacle to see that it coulbrms to the requirements lBr the chassis model to be installed. See pages
2 and 5, lbr the receptacle requirements.
STEP 3. The decorative IYout is packaged in a separate box inside the chassis shipping carton, between the chassis and the carton.
Remove this box and set the box aside until later.
STEP4.
With the help of an assistant, remove the chassis from the shipping carton. Remove the cardboard which is placed against
the hairpins and is taped to the condenser shroud (see Figure 10). Be careful not to allow anything to impact against
the hairpins as this may result in damage to them. IMPORTANT: Betbre installing the unit in the wall sleeve, remove
the two yellow shipping blocks. One shipping block is fixed directly below the control panel on the front, left side of the
unit. A second shipping block is located directly below the left side of the control panel. (see Figure 11). With the help of
an assistant, lilt the chassis by the basepau and slide it into the sleeve until it contacts the rear grille. With the chassis in
proper position, the front edge of the basepau must extend out 4-3/4 inches from the front (side) edge of sleeve.
Remove and
discard
cardboard
and tape
Shipping
Figure 10 Figure 11