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ASSEMBLY INSTRUCTIONS
4. Install DUCT AND BLOWER ASSEMBLY
a.Install duct from the inside of the housing;Fix the duct by the tab.
b.Fix the BLOWER ASSEMBLY to the housing by 3 screws.
5. INSTALL ROUND DUCTWORK
a. Connect the round ductwork (not included) to the damper/duct connector, and run the
ductwork to a roof or wall cap (not included).
b. Using tape (not included), secure all the ductwork connections so that they are air tight.
c. Insulated flexible duct is recommended for the quietest possible installation. If rigid
duct is used, a short (1-3 feet) section of insulated flexible duct will ensure quiet
operation.
The ducting from this fan to the outside of building has a strong effect on the air flow,
noise and energy use of the fan. Use the shortest, straightest duct routing possible for
best performance, and avoid installing the fan with smaller ducts than recommended.
Insulation around the ducts can reduce energy loss and inhibit mold growth. Fans
installed with existing ducts may not achieve their rated air flow.
CONNECT ELECTRICAL WIRING
Run 120 V AC house wiring to the location of the fan. Use only UL-approved connectors (not included) to attach the house wiring to the
wiring plate. Refer to the wiring diagram, and connect the wires as shown.
ON/OFF
SWITCH
BLK
WHT
LINE
GRD
IN
SWITCH BOX
INSTALL GRILLE
Install ceiling material to complete the ceiling construction and cut around the fan housing.
To attach the grille assembly to the fan housing, pinch the grille springs on the sides of the grille
assembly and position the grille into the housing with the grille springs in the appropriate slots. Push
the grille assembly towards the ceiling to secure.
BLK
FAN
WHT
GRD
UNIT
BLACK (BLK)
FAN
SWITCH BOX
POWER SUPPLY
120V AC
3
Hole
Hole
WHITE (WHT)
GROUND (GRD)
WIRING
UNIT
PLATE
FAN
RECEPTACLE
Hole
A
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