NuTone LA310CY User Manual
Read and save these instructions, Installation
INSTALLATION
ALL ELECTRICAL WORK MUST BE DONE IN ACCOR-
DANCE WITH LOCAL AND/OR NATIONAL ELECTRICAL
CODE AS APPLICABLE.
TURN OFF POWER AT SERVICE ENTRANCE BEFORE
INSTALLING, WIRING, OR SERVICING THIS PRODUCT.
1. Hold chime mechanism against wall and mark four (4)
mounting holes.
2. Drill 3/16” holes where marked and tap in wall anchors
from parts bag.
3. Bring wiring through access hole(s) in chime mechanism
backplate.
4. Loosely attach chime mechanism to wall with screws
from parts bag.
5. Tighten screws securely.
6. Connect wires to appropriate terminals.
7. Install two (2) alkaline 9-volt batteries, if appropriate for
your application. Turn on power at service entrance.
Make sure pushbuttons operate chime properly. (Ad-
just switch on circuit board for 4 or 8 chime tones at
front door. Side and rear doors will have 1 chime tone
each.)
8. Hook cover over chime mechanism.
THREE-NOTE
DOOR CHIME
READ AND SAVE THESE INSTRUCTIONS
battery
holders
wiring
access
hole
mounting
holes
DO NOT OIL CHIME PLUNGERS.
Oil will cause them to stick during operation. If plungers fail to operate freely due to accumulation of dust,
cooking grease, etc., clean with a non-flammable cleaning solvent which will evaporate, leaving a dry
surface.
RECOMMENDED NEW CONSTRUCTION WIRING
F
S
R
1
2
3
Lighted or
Unlighted Buttons
Front
Side
Rear
Ground
120 VAC
16 VAC
Transformer
NOT USED
Volume Control
9-volt
batteries
not used
OPTIONAL: 2 or 3 chimes can be connected to a single transformer. 2 chimes
require transformer Model C909 or C907. 3 chimes require transformer Model C907.