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INSTALLATION
ALL ELECTRICAL WORK MUST BE DONE IN ACCORDANCE 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. C306 only. Slide brackets under screw heads.
6. Tighten screws securely.
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.
C306 only
C306 only
MODEL C305
MODEL C305RW
MODEL C306
READ AND SAVE THESE INSTRUCTIONS
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2
INSTALLATION (continued)
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. (Adjust
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.
RECOMMENDED NEW CONSTRUCTION WIRING
REPLACING EXISTING 2-NOTE CHIME
F S R 1 2 3
Lighted or
Unlighted Buttons
Front Side Rear
Ground
120 Volt AC
16 VAC
Transformer
NOT USED
Volume Control
F S R 1 2 3
Lighted or
Unlighted Buttons
9V 9V
Front Side Rear
Ground
120 Volt AC
16 VAC
Transformer
Requires Two
9 Volt Batteries
NOT USED
Volume Control
Nine 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.