13
Installation – Horizontal Ducting Preparation
7. Using a fl at head screwdriver, remove 8” round
or 3 1/4”x10” rect. knock-out plates at the back
of the insert.
9. Place top rectangular cover plate over opening
on top of the insert. NOTE: Make sure the
cover plate tabs are on top of the cover plate as
shown. From inside the insert, secure plate to
top of insert with (2) 3/16 x 3/8 screws.
A
A
B
C
C
B
8. Remove knock-outs A and B for rectangular
ducting. Remove knock outs B and C for round
ducting.
Rect.
ducting
Round
ducting
At this point, install the insert into the
At this point, install the insert into the
cabinet by following the steps on Page
cabinet by following the steps on Page
10, Step 4. After insert installation,
10, Step 4. After insert installation,
continue to page 14.