d2itsu APD-9CK User Manual page 28

Installation in a double-hung sash window
7.2 If the inner width of the window is between 20.5"(520mm) and 37.4"(950mm)
inclusive.
(1) Open the window sash and place the window panel on the window stool.
(2) Slide the adjustment panel to fit the window stool width.
(3) Secure the window panel to the window stool with screws.
Screws
adjustment panel
7.3 If the inner width of the window is between 37.4" (950mm) and 56.7" (1440mm)
inclusive.
(1) Attach the extension panel to the adjustment panel.
(2) Open the window sash and place the window panel on the window stool.
(3) Slide the adjustment and extension panels to fi t the window stool width.
(4) Secure the window panel to the window stool with screws.
Extension panel
adjustment panel
8. Cut the sponge B to a proper length and attach it to the window panel.
Window panel assemble
Screws
Window panel assemble
Adjustment panel
20.5"~37.4"
37.4"~56.7"
sponge B
(adhesive type)
25