3. Insert the fan body between joists.
Make sure the fan body is level and square
(perpendicular)with the joists.(Fig. 16)
Keep the distance B (7/8 inch, 21.6mm) for the
thickness of ceiling board.
4. Secure the suspension bracket to joists by using long
screws(M4X30) (Fig. 17, Fig. 18)
inches mm()
11
5. Secure the suspension bracket to fan body by using
screw (M4x10) (Fig. 18)II
6. Follow steps 5 to 9 of installation (page 7, page 8)
to complete the installation work.
I
Adaptor
Ventilating fan
Ceiling joist
Junction box
2-Long screws(M4X30)
Joist
4-Long screws(M4X30)
2-Screw
(M4X10)
II
Fig. 17
Fig. 16
Fig. 18
A
13 1/4~15 3/4 ( 336~400 )
16 1/2~18 3/4 ( 419~480 )
B
7/8 (21.6)
3~5 ( 76~126 )
5 4/5~7 4/5 ( 148~198 )