background image

2.

 

Remove the motor assembly, attach the duct 
connector from the housing can inside, and secure by 
using one screw (#8-32 x 5/16’’). Insert and secure 
motor assembly. 

Pull existing ductwork
into Housing

Screw from
Parts Bag

Insert tab into
hole in housing

 

 
NOTE: REMOVE THE TAPE FROM THE DAMPER BEFORE   

INSTALLATION. 

INSTALL THE HOUSING (I)-USING 
SUSPENSION BRACKET

 

 

1.

 

Sliding suspension brackets are available to allow for 
positioning of the housing anywhere between joists 
up to a span of 24’’. 

2.

 

Insert the suspension brackets into the channels on 
the housing. Make sure the tabs face up as shown.   

Channel

Suspension Bracket

Tab Face

 

3.

 

Extend the suspension brackets to fit the width of the 
joists. Hold the fan in place by wrapping the 
suspension bracket tabs around the bottom of the 
joist. Make sure the fan body is level and perpendicular 
to the joist.   

4.

 

Ensure that the distance between the ceiling and fan 
body is appropriate for mounting the grille. 

5.

 

Secure the suspension brackets to the joists with nails 
or by using the tapping screws (Ø4x25) through holes 
near nails.

 

 

6.

 

Secure the suspension bracket to the fan body using 
the screws (#8-32 x 5/16"). 

7.

 

Follow steps 2 to 6 of the installation instructions to 
complete the installation work 

Bottom of Joist

Joist

Joist

Screw

 

INSTALL THE HOUSING (II)-USING 
MOUNTING TABS 

1.

 

Slotted tabs are provided to locate housing flush with 
1/2’’ ceiling material. Bend tabs outwards 90° (Use a 
screw driver if desired) and position housing so that 
tabs rest against bottom edge of the joists (or front of 
the stud). Nail the housing to the joist or stud using 
four screws to ensure a solid, quiet installation. 

Joist

Tabs

 

Screw  4X25

Joist

 

INSTALL THE HOUSING (III)-EXISTING 
CEILING INSTALLATION

 

 

1.

 

Position the housing so that it is centered in the 
existing ceiling opening; make sure the housing is 
flush with the finished ceiling. Nail the housing in place 
and then drive the nails (not provided) through the 
housing where indicated by arrows. 

Nails

   

DUCT CONNECTION 

1.

 

Insert the 6’’ duct (not provided) into the duct 
connector and tape all ductwork connections to make 
them secure and airtight. 

2.

 

Install the duct with a gradient 1°~2° to the outside. 

Ceiling

Body

Tape

Duct

Outside

Gradient

1°~2°

Inside

Duct connector

 

CONNECT WIRING 

TURN OFF POWER SOURCE.   
REVIEW ALL SAFETY PRECAUTION.   

1.

 

Follow all local electrical and safety codes, 
ANSI/NFPA70. 

2.

 

NEVER place a switch where it can be reached from a 
tub or shower.   

3.

 

Using wire nuts (not provided), connect the house 
power cable and LED cable to the ventilating fan wires. 

4.

 

14 AWG (2.1 mm

2

) is the smallest conductor that shall 

be used for branch-circuit wiring. 

CONVENTIONAL WIRING DIAGRAM 

LED Light Model: SMT150LED 

OFF

ON

L

N

LIGHT SWITCH

JUNCTION BOX

SWITCH BOX

WHITE

RED

GREEN

GRD

OFF

ON

L

N

NIGHT-LIGHT SWITCH

WHITE

YELLOW

OFF

ON

L

N

POWER SWITCH

WHITE

BLACK

 

BLACK

ON/OFF SWITCH

(purchase separately)

SWITCH BOX

120 VAC

LINE IN

WHITE
GROUND

(bare)

POWER
SWITCH

WIRING

PLATE

LIGHT

SWITCH

NIGHT-

LIGHT

SWITCH

YELLOW

RED

 

 

Motion Model: SMT130M                                                   
Single Speed Models: SMT130, SMT150 

    POWER SWITCH

JUNCTION BOX

SWITCH BOX

WHITE

BLACK

OFF

ON

GREEN

GRD

L

N

 

ON/OFF SWITCH

(purchase separately)

SWITCH BOX

120 VAC

LINE IN

WIRING

PLATE

BLACK
WHITE

GROUND

(bare)

POWER
SWITCH

Humidity Model: SMT130H                         
Dual Speed Model: SMT150D 

HI

POWER SWITCH

MODE SWITCH

JUNCTION BOX

SWITCH BOX

WHITE

BLACK

OFF

ON

BLUE

GRD

L

N

L

N

GREEN

WHITE

 

BLACK

ON/OFF SWITCH

(purchase separately)

SWITCH BOX

120 VAC

LINE IN

WHITE

GROUND

(bare)

POWER
SWITCH

WIRING

PLATE

MODE

SWITCH

  BLUE

OTHER WIRING OPTION 

See OPERATION section for detail description of ‘‘mode’’.

 

Humidity Model: SMT130H 

Hardwire power and leave mode not wired, fan runs 24 
hours at ‘‘Humidity control mode’’. 

JUNCTION BOX

SWITCH BOX

WHITE

BLACK

BLUE

GRD

N

L

GREEN

WHITE

 

BLACK

SWITCH BOX

120 VAC

LINE IN

WHITE

GROUND

(bare)

WIRING

PLATE

  BLUE

 

 

 

 

 

 

Reviews: