INSTALLATION (JOIST MOUNTING- ) CONTINUED
3. Install the suspension bracket and the flange of fan
body to joists by using long screws(ST4.2X20). (If
spacing A between joists is 10 1/4
~
12 inches, install
the flange of fan body according to Fig. 3-2, others
according to Fig. 3-1 install the product.)
4. Install the suspension bracket to joists by using long
screws (ST4.2X20) and secure it to the fan body by
using screw (ST4.2X12). (Fig.4)
5. Remove junction box cover and secure conduit or
stress relief to junction box knock-out hole. (Fig.5)
6. Refer to wiring diagram (page 5).
Using wire nuts, connect house power wires to
ventilating fan wires:
black to black; white to white; green to green;
Replace the junction box cover. (Fig.5)
CAUTION:
Mount junction box cover carefully so that lead
wires are not pinched.
7. lnstall a circular duct (using 4 inches duct or 3 inches
duct) and secure it with duct tape or clamps.
2 Long screws
(ST4.2X20)
A=10 1/4
~
12 inches
Junction box
Joist
Joist
Fan body
4 Long screws (ST4.2X20)
Fig. 3-1
Fig. 3-2
Fig. 4
Joist
Joist
Fan body
2 Long screws
(ST4.2X20)
Screw
(ST4.2X12)
Joist
Joist
Knock-out hole
Circular duct
Conduit
Joist
Joist
Conduit
Junction box
cover
Duct tape
or clamps
Wire nut
Lead wires
Green wires
Fig. 5
7
