Left + Right fi ller panel assembly
Top Rail and Side Panels at each side are offset to provide the proper pitch to the rear of (5/16”). This is 
necessary for proper condensed water utilization and drainage. If you are not using the Side Panels for any 
reason, this pitch to the rear must be maintained!
NOTE
Installation
1. Install Side Filler Panels
Place unit on fl oor, a bench or a table. There is a left and right side fi ller panels - be sure to use the proper 
panel for each side. When installed, the fl ange for securing the panel in place to the window sill will be 
facing into the room.
A.  Hold the side panel in one hand and gently 
pull back the center to free the open end. 
See Fig. 1.
B.  Slide the free and “T” section of the panel 
directly into the cabinet as shown in Fig. 2.
Slide the panel down. Be sure to leave enough 
space to slip the top and bottom of the frame 
into the rails on the cabinet.
C.  Once the panel has been installed on the 
side of the cabinet, make sure it sits securely 
inside the frame channel by making slight 
adjustments. Slide the top and bottom ends of 
the frame into the top and bottom rails of the 
cabinet. Fig. 3.
D.  Slide the panel all the way in and repeat on the 
other side.
Fig. 1
“T” section
Fig. 2
Top Rail
Bottom Rail
Fig. 3