Install Instructions

6
INSTALLATION II (WOODEN HEADER)
1. Install header between ceiling joists using nails or
screws. (Fig. 5)
2. Install the ventilating fan to the header with long screws.
(Figs. 5 & 6)
Fig. 5
Fig. 6
Fig. 7
Ceiling joist
Header
Adapter
Ceiling joist
Ventilating fan
mm (inch)
Model No. A B
FV-20VQ3 315 454
FV-30VQ3 (12 13/32) (17 7/8)
FV-40VQ3
380 518
(15) (20 13/32)
3. Insert the circular duct to the adapter.
Remove the junction box cover and secure conduit to
junction box knockout hole. (7/8 inch) (Fig. 6)
4. Refer to wiring diagram.
Using wire nuts, connect house power wires to ventilat-
ing fan wires: black to black; white to white; green to
green. Replace junction box cover.
CAUTION
Mount junction box cover carefully so that lead
wires are not pinched.
Wiring Diagram
Long screw
Adapter
Circular duct
Junction box cover
Flange
Ceiling
5. Finish ceiling work. Ceiling hole should be aligned with
the edge of the flange. (Fig. 7)
6. Mount grille to fan body. (Fig. 4 of page 5).
Motor
White
Thermal Cut Off
Power Supply
AC120V 60Hz
Earth
WhiteWhite
Neutral
Red
Black BlackBlack
GreenGreen
Capacitor
Live
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