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Installation
Instructions
2.  While keeping a firm grip on the air 
conditioner, carefully place the unit into 
the window opening so the bottom of 
the air conditioner frame is against the 
window sill (Fig. 5). Carefully close the 
window behind the top rail of the unit.
NOTICE
Check that air conditioner is tilted back 
per dimension H (Fig. 5) (tilted about 3° 
to 4° downward to the outside). After 
proper installation, condensate should 
not drain from the overflow drain hole 
during normal use. Adjust the slope if 
otherwise.
3.  Extend the side panels out against the window 
frame (Fig. 6).
window 
frame
Fig. 6
Fig. 5
Wooden Windows
INSIDE
OUTSIDE
Measure from the cabinet edge
H
H:About 
3/4” to 1 ”
Vinyl-Clad Windows
INSIDE
OUTSIDE
H:About 3/4” to 1”
for 5K to  K)
Measure from the cabinet edge
H
Fig. 7A Fig. 7B
Fig. 8A
  
5. SECURE AIR CONDITIONER
4. INSTALL AIR CONDITIONER
A. Place the frame lock between the 
frame extensions and the window 
sill as shown (Fig. 7A for Wooden 
windows), (Fig. 7B for Vinyl-Clad 
windows).
  Drive 3/4” (19 mm) or 1/2” (12.7 mm) 
locking screws through the frame lock 
and into the sill.
  NOTE: To prevent window sill from 
splitting, drill 1/8” (3 mm) pilot holes 
before driving screws.
B1:  For wooden windows:
Drive 1/2” (12.7 mm) locking screws through the 
frame lock and into the sill (Fig. 8A).
NOTE: To prevent window sill from splitting, drill 1/8” 
(3mm) pilot holes before driving screws. Drive 1/2” 
(12.7mm) locking screws through fr
ame holes into 
window sash (Fig. 8B/8C).
6
for 5K to  K)
6