Retrotec Leakage Split Kit - Manual (Page 3)

QG220 Page 3 of 4 rev-2008-04-07
If the ceiling tile opening is larger
than the standard two-foot square
opening, insert a spacer in the
remaining space. The photo shown
right shows a Retrotec blanking
sheet inserted to fill the
remaining space in the ceiling tile
opening.
Step 3: Attach the Flex Duct to the Fan
Attach the collar end of the Flex Duct to
the lower fan installed in the door
opening. Hook the cuff under the lower
foot of the fan and over the nylon block
on top of the fan Flange.
Tighten and secure the Velcro cinch
strap on the Flex Duct collar.