
MODEL C305
MODEL C305RW
MODEL C306
READ AND SAVE THESE INSTRUCTIONS
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.
C306 only
C306 only
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.

INSTALLATION (continued)
6. Connect wires to appropriate terminals.
RECOMMENDED NEW CONSTRUCTION WIRING
Ground
120 Volt AC
16 VAC
Transformer
Front Side Rear
Lighted or
Unlighted Buttons
Nine volt
batteries
not used
Volume Control
REPLACING EXISTING 2-NOTE CHIME
Ground
120 Volt AC
16 VAC
Transformer
9V 9V
Requires Two
9 Volt Batteries
F S R 1 2 3
Front Side Rear
F S R 1 2 3
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.
Lighted or
Unlighted Buttons
NOT USED
Volume Control
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.
2

The three (3) chime bars must be held freely, within the decorative tubes in order to
achieve and sustain the proper chime tone. When the chime bars are properly assembled
to the mechanism, it should be possible to move each bar up and down slightly without
moving the isolators.
In the event that the chime bars become dislodged during shipping, please follow the
instructions below to properly re-set them in the tubes.
WARRANTY
We warrant to the original consumer purchaser of our products that such products will be free from defects in materials or
workmanship for a period of one year from date of original purchase. THERE ARE NO OTHER WARRANTIES, EXPRESSED OR
IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
During this one-year period, we will, at our option, repair or replace, without charge, any product or part which is found to be
defective under normal use and service.
THIS WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMP STARTERS AND TUBES. This warranty does not cover (a)
normal maintenance and service or (b) any products or parts which have been subject to misuse, negligence, accident, improper
maintenance or repair (other than by us), faulty installation or installation contrary to recommended installation instructions.
The duration of any implied warranty is limited to the one-year period as specified for the express warranty. Some states do not
allow limitation on how long an implied warranty lasts, so the above limitation may not apply to you.
OUR OBLIGATION TO REPAIR OR REPLACE, AT OUR OPTION, SHALL BE THE PURCHASER'S SOLE AND EXCLUSIVE
REMEDY UNDER THIS WARRANTY. WE SHALL NOT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH PRODUCT USE OR PERFORMANCE. Some states do not allow the
exclusion or limitation of incidental or consequential damages, so the above limitations or exclusion may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. This warranty
supersedes all prior warranties.
T o qualify for warranty service, you must (a) notify us at an address stated below, (b) give the model number and part identifi cation and
(c) Describe the nature of any defect in the product or part. At the time of requesting warranty service, you must present evidence of the
original purchase date.
ONE YEAR LIMITED WARRANTY
Broan-NuTone LLC, 926 West State Street, Hartford, WI 53027 (1-800-637-1453)
NuTone, Inc., 4820 Red Bank Road, Cincinnati, OH 45227 (1-800-543-8687)
3

SERVICE PARTS
KEY PART
NO. NUMBER DESCRIPTION
1 99521017 Cover, Oak (C306)
97009388 Cover, Walnut finish (C305)
97010920 Cover, Rosewood finish (C305RW)
2 99521375 Solenoid/PC Board Assembly
3 99522027 Short Chime Bar Assembly (Includes Rubber Isolators)
4 99522028 Medium Chime Bar Assembly (Includes Rubber Isolators)
5 99522029 Long Chime Bar Assembly (Includes Rubber Isolator)
6 99521380 Tube Assembly C306
99521379 Tube Assembly C305, C305RW
7 99522025 Bracket (1 only, 2 Req.) C306
Broan-NuTone LLC, 926 West State Street, Hartford, WI 53027 (1-800-637-1453)
NuTone, Inc., 4820 Red Bank Road, Cincinnati, OH 45227 (1-800-543-8687)
99523565G