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3. MOUNT WITH MOUTING HOLES

    Select the appropriate size of the wood is installed between the joists using 

    screw (not included). Hold housing in place so that the housing contacts the 

    bottom of the joist and woods, Screw housing to joist and woods through 

    the hole.

Fig.2

4. INSTALL ROUND DUCTWORK

   Connect the round ductwork (not included) to the damper/duct connector, 

   and run the ductwork to a roof or wall cap (not included). Using tape (not 

   included), secure all the ductwork connections so that they are air tight.

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.

ASSEMBLY INSTRUCTIONS

CONNECT ELECTRICAL WIRING

3

Joist

Fig.2

Fig.3

(Fig.3)

Screw B

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.

UNIT

BLACK (BLK)

SWITCH BOX

POWER SUPPLY

120V AC

GROUND (GRD)

BROWN (BRN)

WHITE (WHT)

WIRING 

PLATE

FAN 

RECEPTACLE

SENSOR

RECEPTACLE

UNIT

BLACK (BLK)

SWITCH BOX

       FAN

SWITCH

POWER SUPPLY

120V AC

GROUND (GRD)

WHITE (WHT)

WIRING 

PLATE

FAN 

RECEPTACLE

FAN

FAN

Fan with no accessories

UNIT

BLACK (BLK)

SENSOR

 SWITCH

SWITCH BOX

POWER SUPPLY

120V AC

GROUND (GRD)

BROWN (BRN)

WHITE (WHT)

WIRING 

PLATE

FAN 

RECEPTACLE

SENSOR

RECEPTACLE

       FAN

SWITCH

BLK

BLK

WHT

BLK

WHT

WHT

WHT

BRN

GRD

BLK

BLK

FAN

BRN

WHT

Humidity

Sensor 

Fan Switch

Sensor Switch

Fan with ADD on Humidity Sensor and wall switch to manually activate the fan 

Fan with ADD on Humidity Sensor and no wall switch

(Fig.1)

(Fig.2)

(Fig.3)

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