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INSTALLATION INSTRUCTIONS
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Musical Door Chime
Model: LA-52 Series
The chime may be used with lighted or unlighted pushbuttons. If two lighted pushbuttons are used, use only pushbuttons that are sold by NuTone.
A NuTone Model: 105T (16 volt, 15 watt) transformer must be purchased separately. Note: If desired, an equivalent transformer may be purchased locally.
NOTE: The Musical Chime features terminals for oneor two-door operation but cannot be used in multiple chime installations. Installation of the Chime is performed in two steps: (1) at the chime site, and (2) at the front door pushbutton.
EXISTING CONSTRUCTION
If needed, purchase NuTone Model 105T (16 volt, 15 watt) transformer separately.
Handle the Musical Chime carefully as you would any precision instrument. Disconnect power to the existing door chime.
1.Remove the cover from the existing door chime.
2.Disconnect the wires from the terminal strip of the existing door chime. Mark each wire as it is removed - front, transformer and rear.
Refer to Figure 1. If any additional wires (i.e. - side door) are present which are not required by the wiring diagram, cap these wires individually with a wire nut and electrical tape.
3.Remove the existing chime base from the wall.
4.Refer to Figure 2. Determine whether the Musical Chime will be hung vertically or horizontally. Pull the remaining wires through one of the large holes in the baseplate.
5.Using the proper mounting screws, mount the baseplate to the wall.
NOTE: If the Musical Chime is replacing a door chime that was mounted horizontally, the two small round holes in the base should align with the holes used to mount the base of the old chime. If the Musical Chime is replacing a door chime that was mounted vertically, use the two slotted holes that have T-shaped slots at the top.
6.Attach wires to the respective screw terminals (FRONT, TRANS, REAR) that are located on the baseplate's terminal block.
7.While holding the Musical Chime's housing in one hand, attach the blue, yellow and green wires from the chime's housing to the lugs marked FRONT, TRANS and REAR respectively on the terminal block.
8.If the Musical Chime is to be used with a NuTone Radio-Intercom System or an external speaker, follow the instructions that are provided on page 3 of this sheet before proceeding with the installation.
9.When the wiring has been completed, snap the chime's cover onto the baseplate.
10.Reconnect power to the door chime.
NEW CONSTRUCTION
NuTone Model: 105T (16 volt, 15 watt) transformer must be purchased separately.
Comply with local and national wiring codes. Bell wire and pushbuttons(s) will also be needed to complete your installation. Position the door chime on a wall at eye level. Handle the chime carefully as you would any precision instrument.
WIRING
NOTE: Turn the house power off before wiring the transformer to the junction box.
1.Mount the transformer to a convenient junction box (attic location is not recommended) or to a circuit breaker box. Connect the house power leads to the transformer leads - black to black and white to white.
2.Run two conductor, 18 gauge wire from the transformer and the pushbutton(s) to the Musical Chime location.
NOTE: When fastening the wiring to the wall studs and ceiling joists, avoid short circuits that can result in staples or clips cut through the wiring insulation.
3.Refer to Figure 2. Bring the wires through one of the large openings in the Musical Chime's baseplate. Fasten the baseplate to the wall with screws. If the chime is
to be mounted vertically, use the two (2) slotted holes with T-shaped slots on the top.
4.Refer to Figure 1. Connect the transformer and pushbutton wires to the Musical Chime's terminal board.
5.If you plan to use the Musical Chime with a NuTone Radio-Intercom System or an external speaker, follow the instructions that are provided on page 4 of this sheet before proceeding with the installation.
6.Carefully attach the blue, yellow and green wires from the chime's housing to the lugs marked FRONT, TRANS and REAR respectively on the terminal block.
7.When the wiring has been completed, snap the chime's cover onto the baseplate.
8.Reconnect power to the door chime.
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FRONT DOOR |
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PUSHBUTTON |
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FRONT |
18 GA. INSULATED |
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TRANS |
2 CONDUCTOR WIRE |
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NUTONE |
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REAR |
COMMON WIRES |
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MODEL 105T |
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MUSICAL |
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TRANSFORMER |
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CHIME |
REAR DOOR |
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TERMINAL |
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PUSHBUTTON |
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BOARD |
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FIGURE 1
INSTALLING THE PUSHBUTTONS
A diode must be added to the front door pushbutton so that power will be supplied continuously to the Musical Chime while the tune is playing.
The diode is packed inside an envelope that is located between the baseplate and the chime's housing.
A diode is not required at the back door pushbutton.
To add the diode to the front door's pushbutton:
1.Remove the pushbutton from the door jamb or wall.
2.Refer to Figures 3, 4 and 5. Depending upon which type of pushbutton is being used, wire the diode to the two (2) terminals on the pushbutton.
3.Press the front door pushbutton and listen for the Musical Chime to play.
4.If the tune stops playing as soon as you remove your finger from the pushbutton, the diode is installed backwards. Simply reverse the wiring connections on the pushbutton and test the chime again. The tune should continue playing even after the pushbutton
is released.
5.Tighten the terminal screws and replace the pushbutton in the door jamb or wall. Note: on metal siding, place a small piece of insulating tape on the surface opposite the diode to prevent shorting.
NOTE: If you are using a lighted pushbutton, the bulb's brightness will be reduced 30-40%. This is normal and will increase life of the bulb.
TUNE LABEL
AND TUNE SELECTION
TUNE LABEL
Refer to Figure 6. The tune label is packaged in the same envelope as the diode.
If the Musical Chime has been mounted in the horizontal position, tear off and discard the bottom of the label. Peel off the back and mount the label on the inside surface of the door.
If the Musical chime has been mounted in the vertical position, tear the label at both perforations, discard the top portion and mount the tune list and instructions side by side on the inside surface of the door.
TUNE SELECTION
The Musical Chime will play 1 of 24 tunes at the front door and 2 notes of a tune at the rear door.
Refer to the Tune List and to Figure 7. Move the switches to the desired tune. Example: For "A Bicycle Built For Two" to be the selected tune, set the switches to "1" "A". Press the TUNE TEST button. Set the loudness, speed and pitch of the tune by adjusting the VOLUME, TEMPO and TONE controls respectively. Turn the controls clockwise to
increase or counterclockwise to decrease.
NOTE: Position 5E does not play a tune. The chime is in the off position.
HOUSING |
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BASE |
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FRONT |
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SPKR – |
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TRANS |
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SPKR + |
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REAR |
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I-COM + |
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GREEN |
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I-COM – |
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YELLOW |
BLUE |
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LOCATE DIODE ENVELOPE
PACKED HERE
FIGURE 2
RECESS
MOUNTED
PUSHBUTTON
WRAP DIODE LEAD
AROUND EACH
TERMINAL SCREW
AND CLIP EXCESS
FIGURE 4
HARMONY MUSICAL CHIME by NuTone Model LA 52
TO SELECT A TUNE
1.Set switches to desired code number and letter.
2.Press TUNE TEST button.
3.Adjust Tone, Tempo and Volume Controls as desired.
4.Press Tune Test to hear again.
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TUNE LIST |
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1A |
A Bicycle |
5C |
In The Good |
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2A |
Built for Two |
1D |
Old Summertime |
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Battle Hymn |
I've Been Working |
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3A |
Of the Republic |
2D |
On The Railroad |
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Dixie |
Jingle Bells |
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4A |
1812 Overture |
3D |
La Cucaracha |
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5A |
For He's A |
4D |
Oh! Dear, What |
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1B |
Jolly Good Fellow |
5D |
Can The Matter Be? |
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Frere Jacques |
Oh Tannenbaum |
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2B |
Give My |
1E |
Shave And |
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3B |
Regards To Broadway |
2E |
A Haircut |
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Greensleeves |
Twinkle Twinkle |
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4B |
Hail! Hail! The |
3E |
Little Star |
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5B |
Gangs All Here |
Westminster Chimes |
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Hallelujah Chorus |
4E |
(4-note) |
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1C |
Happy Birthday |
Yankee Doodle |
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2C |
Hello, Ma Baby |
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3C |
Home Sweet Home |
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4C How Dry I Am
FIGURE 6
OPTIONAL FEATURES
USING THE MUSICAL CHIME WITH A NUTONE RADIO-INTERCOM SYSTEM
If desired, the Musical Chime may be used with a NuTone Radio-Intercom System. The chime signal will override
the radio-intercom but will not mute the music source. Refer to the wiring diagram below that corresponds with
the radio-intercom system being used. Connect the wires (use NuTone IW-2) to the Musical Chime's circuit board terminals located inside the chime's housing.
To adjust the chime's volume so that it will be heard over the radio-intercom, use a screwdriver to turn the recessed control located below the I-COM terminals on the circuit board.
USING THE MUSICAL CHIME WITH AN EXTERNAL SPEAKER
If you do not have a NuTone Radio-Intercom System but would like for the Musical Chime to be heard in another
section of the home, one external speaker may be used with the Musical Chime. Note: Speaker must be purchased separately from NuTone.
Use a surface-mounted speaker if the Musical Chime needs to be heard in another room of the home.
Or, if the Musical Chime needs to be heard at the front door, use a speaker that includes a pushbutton at that location. NOTE: If a speaker that incudes a pushbutton is used, the diode must be added to the pushbutton.
Connect speaker terminals to the Musical Chime's circuit board at SPKR+ and SPKR– inside the chime's housing. Polarity need not be considered; connect either of the speaker's terminals to either SPKR terminal on the Musical Chime.
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DOOR |
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TUNE |
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TONE |
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PLACE |
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TEST |
E |
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4 |
TEMPO |
LABEL |
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C |
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5 |
D |
HERE |
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2 |
B |
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3 |
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1 |
A |
VOLUME |
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SELECTOR SWITCHES
SET AT 2D,
"JINGLE BELLS"
FIGURE 7
CHIME INTERCOM WIRING
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MODEL IMA-516 |
INTERCOM |
CHIME |
MASTER |
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I-COM + |
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CHIME |
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I-COM – |
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CHIME |
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SPKR – |
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METAL |
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CHASSIS |
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GROUND |
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SCREW |
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(RED/WHT |
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IMA-516) |
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MODEL IM-2003 |
INTERCOM |
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CHIME |
MASTER |
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I-COM + |
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INPUT |
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(COPPER) |
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(BLUE) |
SPKR – |
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COMMON |
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(CENTER) |
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(GREY) |
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IW-2 |
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MODELS IM-3000, |
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IM/IMA-4000 OR IM-5000 |
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INTERCOM |
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SERIES |
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CHIME |
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MASTER |
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I-COM + |
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WHITE |
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CHIME |
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}INPUT |
SPKR – |
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BLACK |
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IW-2
Product specifications subject to change without notice.
4820 Red Bank Road, Cincinnati, Ohio 45227 Printed in U.S.A., Rev. 01/07, Part No. 84316
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