LG W243CMTST3 Owner's Manual page 13

Install the Air Conditioner in the Case
1. Slide the air conditioner into the case.
Reinstall the 2 screws removed earlier on each
side of the case.
CAUTION: The power cord must be
connected to an independent circuit. The
green wire must be grounded.
2. Stuff the foam between the top of the unit and the
wall to prevent air and insects from getting into the
room.
3. Before installing the front grille, pull out the vent
control lever located above the unit control knobs,
as shown.
5. Attach the front grille to the case by inserting the
tabs on the grille into the slots on the front of the
case. Push the grille in until it snaps into place.
When you detach the front grille
from the case, push the grille to
your right side and pull it toward
you.
The Foam
6. Lower the inlet grill and secure the front grille with
a screw.
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