NuTone LA-107 User Manual

Viking door chime, Model: la-107 series, Location

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INSTALLATION INSTRUCTIONS

READ & SAVE THESE INSTRUCTIONS!

Viking Door Chime

MODEL: LA-107 SERIES

• For use with either a transformer or batteries

LOCATION

TRANSFORMER:

Mount a 10 or 16-volt transformer to a

conveniently located junction box. Attic location is not
recommended. For best performance, a 16 volt transformer is
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 NuTone transformer (16 volts, 10 watts).
2. Refer to Figure 1. Mont 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.

FIGURE 1

FIGURE 2

FIGURE 3

SUPPLY WIRE

REPLACEMENT OR NEW INSTALLATION
USING TRANSFORMER

NEW INSTALLATION USING BATTERIES

FRONT DOOR

PUSHBUTTON

FRONT DOOR PUSHBUTTON

REAR DOOR PUSHBUTTON

120vAC

TRANSFORMER
16 VOLT 10VA OR
10 VOLT 5VA

FOR ONE DOOR
OR TWO DOORS

CHIME BASE

TERMINAL BOARD

TO 120
HOUSE
WIRING

R

T

C

F

R

T

C

F

DO NOT OIL

C - BAT. COMMON

T - TRANSFORMER

F - FRONT DOOR PB

R - REAR DOOR PB

DO NOT OIL

C - BAT. COMMON

T - TRANSFORMER

F - FRONT DOOR PB

R - REAR DOOR PB

REAR DOOR

PUSHBUTTON

FOR ONE DOOR
OR TWO DOORS

CHIME BASE
TERMINAL BOARD

“D” SIZE

BATTERY

“D” SIZE

BATTERY

“D” SIZE

BATTERY

“D” SIZE

BATTERY

WIRES TO
CHIME

CHIME
BASE

MAKE SURE
KEYHOLE
MOUNTING HOLE
IS AT THE TOP

PUSHBUTTON
AND
TRANSFORMER
WIRING

FIGURE 4

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.

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