LG LWHD1807HR Owner's Manual page 12

Installation
All sup_rting pads should be _cured to, firm wood, masonry,
or metal
1. This unit is designed for instalation in standard doubi_ehung
windows with actual opening wi_hs from 2'9°'to 4!"
The top and bottom window sashes must open _fliciently to
all_ a ,clear vertical opening of 18" from the _ttom of the
upper _sh to the win_w st_L
2 TIne stool off_t (height between the stool and sill), must be
le_ than 1 1/4.",
iF_ml
strip Fc_m.,,PE
(Adhesive-Backed)
Type ,C(5}
t
Ty_ O (2}
Y
CarnageBoll: (2')
Lock Nut (4)
12 Ro,om, Air Co,nditioner