Installation (continued)
4
20 – 24 in. joist installation
□
Use long wood screws (BB) to loosely attach the
main body of the fan to one ceiling joist.
□
Extend the hanger bars to the opposite ceiling joist.
□
Secure the suspension brackets (D, E, and F) to
the joist using long wood screws (BB).
□
Ensure the main body is level and square to the
joists.
□
Tighten all screws.
CAUTION: Do not mount the fan flush against the joist. The
flange should be flush with the ceiling board.
5
Duct connection
□
Install a circular duct (W) to the outlet and secure it
with duct tape or clamps to the outlet.
□
Install the duct with a gradient of 1˚ ~ 2˚ to the
outside.
8