Friedrich WallMaster WS Series Installation & Operation Manual page 12

920-007-11 (8-05)
STEP5.
CHASSIS SEAL GASKET INSTALLATION: After iusmlliug the shell, slide the chassis iuto the shell stoppiug approxi-
mately 3" from full iusertiou. Stuff the chassis seal gasket oue iuch deep betweeu the chassis aud the shell (see Figure
12). Make sure tile gasket is installed beginning from the lower right side corner and extending over the top and
down to the lower left side corner. Theu push the chassis all the way iuto the shell tbr the remaiuiug distauce so that
the plastic frout meets the frout edge of the shell.
If chassis seal gasket is uot iustalled, the opemtiou of the uuit will be uegatively affected. Also, the opemtiou noise and
outside noise will be amplified.
STEP6.
Remove the intake grille from the decorative front frame by grasping it at the upper right and left side corners. Pull out
until the grille is released from the upper retaining snaps. Tilt it down toward you, lilt up and out of the bottom retaining
snaps. Install the decorative front frame in place over the sleeve opening and attach it to the chassis with lbur sheet metal
screws as shown in
Figure
12. Replace the intake grille by positiotling the bottom of the grille into the bottom retaining
snaps. Tilt the front up and away from you. Press in lightly on top, and the grille will position itself into upper retaining
snaps.
Chassis Seal
Gasket
Decorative Front _
S
Return Air
Grille
(4)
Figure 12
Attach the fi'ame to the chassis b), insmlling.fi)ur (4) 8A-%" screws through the slots in
the fizzme and into the holes in the chassis
12