WALL MOUNTING
Joist
Joist
Screw 4 x 25mm
Screw #8-32 x 5/16"
Screw 4 x 25mm
3.
Do the duct work as shown in ‘‘DUCT CONNECTION ’’.
4.
Refer ‘‘CONNECT WIRING’’ to complete the electrical
installation.
EXISTING CONSTRUCTION –
ACCESSIBLE FROM ROOM SIDE
(No Attic Access & Wall Mounting)
1.
Removing existing fan.
2.
Measure the ceiling or wall opening or cut a new
opening to ensure it is large enough to accommodate
the new fan (10 3/4 in. x 11 1/2 in. suggested).
A piece of wood (not provided) may be necessary that
is screwed in from indoor through the ceiling board or
wall. Suggested size is H 4 in. x L 17 in. Position the
screws far enough from the edge of the ceiling board
or wall that it does not crumble and give way.
Wood
4 in.
17
in
.
11
1/2
in.
10
3/
4
in
.
3.
Remove the fan body by release four machine screws
(M4 x 45 mm), unplug all connectors from wiring panel
and then remove duct connector by release machine
screw (M4 x 6 mm).
Screw M4 x 45mm
Screw M4 x 6mm
4.
Using wire nuts (not provided) connect house wires to
fan wires as shown in ‘‘CONNECT WIRING’’ diagram A.
Insert housing into ceiling or wall opening and secure
housing by using tapping screws (ø 4x25 mm).
CEILING MOUNTING
Screw 4 x 25mm
WALL MOUNTING
Screw 4 x 25mm
5.
Do the duct work as below picture and follow ‘‘DUCT
CONNECTION’’ and then fix the duct connector to the
housing inside by using machine screw (M4 x 6 mm).
Pull existing duct into housing
Screw M4 x 6mm
Insert tab into hole
in housing
6.
Insert fan body into housing by using four machine
screws (M4 x 45 mm) originally on the fan body and
plug in all connectors.
Screw M4 x 45mm
DUCT CONNECTION
CONNECTION METHOD FOR 4” OVAL
DUCT CONNECTOR
1.
Insert the duct into the duct connector and tape all
ductworks connection to make them secure and air
tight.
2.
Install the duct with a gradient 1
°
~2
°
to the outside.
Duct Connector
Grille
Body
Outside
Inside
Gradient
1°~2°
Tape
Duct
Ceiling
CONNECTION METHOD FOR 3” ROUND
DUCT CONNECTOR
3.
4’’ Oval to 3’’ round duct adapter, sold separately
(VFRU-29-10DA).
4.
Please follow step ‘‘1’’ and ‘‘2’’ to install.
Tape
VFRU-29-10DA
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.
Use wire nuts (not provided) and connect house power
cable to ventilating fan as below diagrams A.
4.
14 AWG (2.1 mm
2
) is the smallest conductor that shall
be used for branch-circuit wiring.
CONVENTIONAL WIRING DIAGRAM
1.
SLM80-110
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
2.
SLM80-110D
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
A
Page 2.
