NOTE: Secure all supporting parts to firm wood,
masonry, or metal.
This room air conditioner is designed for installation in
standard double-hung windows with actual opening
widths from 29" to 41".
The upper and lower window sash must open
sufficiently to allow a clear vertical opening of 19"
from the bottom of the upper sash to the inside sill.
The height offset between the inside sill and outside sill
must be less than 1 ¼".
29" to 41"
Proper clearance enhances the cooling efficiency of the
If a storm window presents interference, fasten a 2"
wide wood strip to the inner window sill across the
full width of the sill. The wood strip should be thick
enough to raise the height of the window sill so that
the unit can be installed without interference by the
storm window frame.
(See drawing.) The top of the wood strip on the
inside sill should be approximately ¾" higher
than the storm window frame or wood strip on the
outside sill to help condensation to drain properly to
If necessary, install a second wood strip (same
thickness as first strip) across the full width of the
outer sill, flush against the back of the inner sill.
Wood Strip Mounted
on Top of Inner Sill
Preparation of Cabinet
Remove the 4 screws which fasten the cabinet at
both sides and at the back. (2 of the screws will be
used later to refasten the sides of the cabinet to the
Slide the unit from the cabinet by gripping the base
pan handle and pulling forward while bracing the
The unit is heavy. To prevent injury, use proper lifting
techniques when pulling unit forward from cabinet.
Obtain assistance from another person if possible.
Cut the window sash seals (Foam-PE) to the
proper length. Peel off the backing and attach
the adhesive-backed foam to the underside of the
window sash and the bottom of the window frame.
Insert the lower curtain panel guides into the bottom
of the cabinet. Insert the guides so that the flange
faces to the rear of the cabinet.