NuTone LA107WH Installation Instructions

Two-Note Door Chime
• For use with either a transformer or batteries

LOCATION

TRANSFORMER: Mount a 16-volt transformer to a conveniently located junction box.
Attic location is not recommended.
PUSHBUTTON: The chime is designed for two-note operation. Select pushbutton
locations at front and rear (or side) doors. Do not use lighted pushbuttons with
battery-operated chime.
NEW INSTALLATION

INSTALLING TRANSFORMER

Disconnect house power until installation is complete. All wiring must comply
with local codes.
1. Use a 16 VOLT, 10 VA transformer.
2. Refer to Figure 1. Mount transformer to a conveniently located junction box. Do not
mount transformer in attic.
3. Use approved wire connectors to connect supply wires to transformer leads: white to
white; black to black.
WIRES TO
CHIME

REPLACEMENT OR NEW INSTALLATION USING TRANSFORMER

FRONT DOOR PUSHBUTTON
REAR DOOR PUSHBUTTON
DO NOT OIL
C - BAT. COMMON
T - TRANSFORMER
F - FRONT DOOR PB
R - REAR DOOR PB

INSTALLING THE WIRING

1. Use standard bell/chime wire (20 gauge, two-conductor).
2. Run wires as shown in Figure 2 for installation using transformer.
3. Run wires as shown in Figure 3 for installation using batteries.

MOUNTING CHIME BASE

Refer to Figure 4.
1. At chime location, cut a 1" diameter hole (for pushbutton and transformer wiring) in
the wall.
2. Pull wiring through two holes in chime base.
3. Use two provided screws to mount chime base to wall. Make sure keyhole
mounting hole is at top.
SUPPLY WIRE
120vAC
TRANSFORMER 16
VOLT, 10VA
CHIME BASE
TERMINAL BOARD
FOR ONE DOOR OR
TWO DOORS
R C
TO 120
HOUSE
T
F
WIRING
TO REGISTER THIS PRODUCT, VISIT WWW.NUTONE.COM

NEW INSTALLATION USING BATTERIES

Use Only Unlighted Pushbuttons
PUSHBUTTON
AND
TRANSFORMER
WIRING

WIRING CONNECTIONS

FIGURE 1
1. Use wire nuts to make connections. Insulate all connections with electrical tape.
2. INSTALLATION USING TRANSFORMER.
Refer to Figure 2. Connect pushbutton and transformer wires to terminal screws
marked Front, Transformer, and Rear.
3. INSTALLATION USING BATTERIES.
Refer to Figure 3. Connect pushbutton wires to terminal screws marked Front,
Common, and Rear.

WIRING HINTS

1. Carefully fasten wiring to wall studs and ceiling
joists. Avoid short circuits caused by staples or
clops cutting through the wiring's insulation.
2. Loop wire around terminal screws.
3. When connecting more than one wire to a
single terminal screws, twist the wires together before looping them around the
terminal screw.
4. Make sure all terminal screws are tightened securely.

BATTERY INSTALLATION

1. Install four (4) "D" size batteries as shown in Figure 4.
FIGURE 2
2. For longer life, alkaline batteries are recommended.

REPLACEMENT INSTALLATION

1. Turn off house power until installation is complete.
2. Remove cover from existing chime and disconnect wires from terminal screws. Label
all wires (Front, Transformer, Rear) as you remove them. NOTE: Any additional wires
(for example: common or side) should be individually capped with wire nuts or sealed
with electrical tape and pushed back into the wall cavity. These wires are not needed.
3. Remove existing chime base from wall.
4. Pull wires through holes in new chime base.
5. Use provided screws to mount base to wall.
6. Connect wires to terminal screws marked Front, Transformer, and Rear on the chime
base.
7. Place chime cover securely over the base.
8. Restore house power to chime.

INSTALLATION INSTRUCTIONS

READ & SAVE THESE INSTRUCTIONS!
FRONT DOOR
PUSHBUTTON
FOR ONE DOOR
REAR DOOR
OR TWO DOORS
PUSHBUTTON
C
R
DO NOT OIL
C - BAT. COMMON
T - TRANSFORMER
F - FRONT DOOR PB F T
CHIME BASE
R - REAR DOOR PB
TERMINAL BOARD
CHIME
BASE
FIGURE 3
MAKE SURE
KEYHOLE
MOUNTING HOLE IS
AT THE TOP
FIGURE 4