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INSTALLATION (RETROFIT) (CONTINUED)
Install circular exhaust duct
Joist
Knock-out hole
1
Junction box cover
Connect wires
White
Black
Green
Wire nuts
Switch
1
Refer to WIRING DIAGRAM (Page 5). Follow all the local electrical safety codes as well as the National Electrical
Code (NEC). Use UL approved wire nuts to connect fan wires. After connecting wires, replace junction box cover.
Install adaptor
1
Install the adaptor to
Flex-Z Fast™ bracket
by using 2 self-drilling
screws.
Circular exhaust duct
Conduit
Flex-Z Fast™ bracket
2
Live (Fan)
Earth
ground
Conduit
Conduit
Joist
Joist
1
2
Adaptor
Mastic or
approved
foil tape
Earth ground
Neutral
Circular exhaust duct
2 Self-drilling screws
1
Drywall
Remove screw from junction box cover to
remove the knock-out hole and secure
conduit or stress relief to junction box
knock-out hole.
Install the circular exhaust duct and secure it
with clamps or ties and seal it with mastic or
approved foil tape. A 3 or 4 inch circular duct
is needed to connect to the relevant part of
the adaptor.
AC 120 V 60 Hz
(Power supply)
Switch box
Joist
1
Drywall
Self-drilling screw
7
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