CAUTION
Mount junction box cover carefully so that lead wires are not pinched.
Install the ventilation duct, secure it with a clamp and seal
it with mastic or approved foil tape. A 4-inch circular duct
is needed to connect it to the relevant part of the adaptor.
Install exhaust duct
1
Insert back the blower/motor assembly by sliding it into the adaptor flanges. Then press-lock the blower/motor
assembly into the housing can until the blower “clicks” into place for temporary fixation. See figure at page 6.
Secure the blower/motor assembly with 2 screws (ST4.2X8) and connect the molex plug connector from the blower
to the junction box. See figure at page 6.
Select the air volume speed by adjusting the switch.
Factory setting is “I” (Standard) position; pressing “II”
(Boost) selects the high airflow position.
Select air volume speed
1
Insert back blower/motor
1
2
Switch
AD
APT
OR
JUN
CTIO
NB
OX
1
INSTALLATION INSTRUCTIONS (CONTINUED)
Remove the junction box cover and secure conduit or
strain relief to junction box cover knock-out hole ( A
or B ).
Refer to wiring diagram on page 4.
Follow all the local electrical safety codes as well as
the National Electrical Code (NEC). Using UL approved
wire nuts, connect house power wires to ventilating
fan wires.
Affix the junction box cover to junction box.
1
2
3
Connect wires
A
Conduit
Junction
box
cover
Junction
box
Wire nut
Live
Neutral
ST4.2X8
screw
Earth
ground
1
2
3
5
3 Long
screws
(ST4.2X20)
Joist
Key
hole
Fan housing
3 Joist
1
Adaptor
Ventilation duct
Mastic or approved foil tape
Fan
housing
Fan housing
3 Long
screws
(ST4.2X20)
Key hole
Stud
3 Wall
