National Comfort Product CPWS Assembly Instructions Manual - page 6
of
8
Assembly Instructions for Comfort Pack Wall Sleeve (CPWS)
6
Wall Sleeve Insert Installation Instructions
(Continued)
5. Push the left and right ends of the insert behind
the tabs that are mounted on the wall sleeve
7. Tape the top, bottom and side of the insert to insure
that the least amount of outside air can get behind
and dislodge the insert.
6. Press insert ends so that the screw punches the insert and
creates a hole. This locks the insert into a more fixed position.