5
TABLE 2 —INSTALLATION HARDWARE PACKAGE TABLE 3 —AIR CONDITIONER 
CABINET DIMENSIONS
4. For storm windows, open or remove the outer win-
dow before installing the air conditioner. Remove 
any screens that are in the window.
5. Remove the front panel of the air conditioner by 
removing the side panel screws (one on each side) 
and pulling the front panel off the air conditioner 
chassis. Save the screws for reinstallation. See 
Fig. 4.
6. Remove the chassis security screws from the sides 
of the cabinet. Save screws. See Fig. 4. A pull han-
dle is provided for chassis removal. Gently slide 
the chassis from the cabinet by pulling on the han-
dle. The chassis is heavy and assistance may be 
required. Take care not to bend or damage the coil 
fins on the chassis. See Fig. 5.
7. Cut sealing strip (provided) to match length of top 
channel. Save remaining seal strip for use in 
Steps 14 and 22. Peel and stick one side of the 
sealing strip on to the top channel (provided) as 
shown in Fig. 6. Use 
1
/
4
-in. screws (provided) to 
attach top channel to cabinet. Top channel may 
require 4 or 5 screws depending on model. See 
Fig. 7.
8. Attached the bottom channel (provided) to the bot-
tom of the cabinet. Use four 
1
/
4
-in. screws (pro-
vided). Screws are installed from the inside of the 
cabinet to the outside to attach the bottom chan-
nel. See Fig. 7.
9. Install the side shutters (provided). The side shut-
ters are identified as right and left on each frame. 
Slide the top and bottom shutter frames into the 
top and bottom channels on the cabinet. Attach 
the shutters to the cabinet using four 
1
/
4
-in. 
screws (provided). See Fig. 8.
10. Attach the mounting brackets (provided) to the 
angle brackets (provided) using two 1
1
/
2
-in. bolts, 
lock washers, and nuts (provided). Two bolts are 
used on each bracket assembly. See Fig. 9. Do not 
tighten the bolts immediately. It may be neces-
sary to adjust the depth of the bracket assembly, 
depending on the window sill. Install the 2 level-
ing screws (provided) onto the bracket assemblies. 
See Fig. 9.
11. Test the bracket assembly in the window. See 
Fig. 10. Adjust the location of the angle brackets if 
necessary. If location of angle brackets is correct 
for installation, tighten bolts on assembly. Level-
ing screws should touch the outside wall. If level-
ing screws are too far away from wall, it may be 
necessary to shim the area with a solid piece of 
wood. See Fig. 11.
12. Measure the width of the inside sill of the window 
and mark the center of the sill. The V-slot on the 
brackets should be placed 9
 5
/
8
-in. from center on 
ITEM QTY
3
/
4
-in. Screws 10
1
/
4
-in. Screws 23
Top Channel 1
Bottom
Channel
1
Lock Washers 4
1
1
/
2
-in. X 
1
/
4
-in.
Bolts
4
1
/
4
-in. Nuts 4
Mounting
Brackets
2
Angle
Brackets
2
Shutter
Clamps
2
Left and Right
Side Shutters
1
Sealing Strip 1
Foam 1
End Cap and
Leveling 
Screw
2
UNIT WIDTH (in.) LENGTH (in.) HEIGHT (in.)
73KC_101P 20.5 23.1 14.8
73KC_121P 22.8 28.0 15.7