QuietCool CL-1500 Owner's Manual page 7

6. Hang the motor head from the rafters by fastening the
metal strapping that is attached to the motor heads
to the rafters with the wood screws. Make sure that
the power box on the motor head is at the very top.
Secure duct to damper box using three black sharp
screws. Make sure the duct has a gentle 90 degree
bend to help reduce noise level.
NOTE:
it's time to go below and install the damper box
and ceiling grill at each intake location.
7. Look through the hole and make sure there are no
kinks or twists in the ducting. Pull the damper box
down through the hole in the ceiling. Fasten the
damper box to either the drywall or the joist in the
attic. While holding it in place, install a 1-3/8" drywall
screw through the drywall into the flange of damper
box on each side to temporarily hold the box in place.
Remove ceiling grille and screws from its packaging.
Center the grille over the ceiling box. Install the grille
with the white screws provided by screwing through
flange of the damper box. Some ceiling surfaces are
uneven and may cause a small gap to be present. This
can easily be caulked later if excessive.
NOTE:
Always fasten the damper box to the joist in
the attic!
8. Return to the attic and go to each location. Using
the nylon straps and the long wood screws provided,
support the duct to the framing. This will stabilize
the entire assembly. Replace any insulation that was
removed. The installation of the fan is now complete.
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Once all of the QuietCool fans are hung,
Repeat these steps at each location.
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