NuTone LA-52 Series User Manual

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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.

 

FRONT DOOR

 

 

PUSHBUTTON

 

FRONT

18 GA. INSULATED

 

TRANS

2 CONDUCTOR WIRE

 

 

NUTONE

REAR

COMMON WIRES

MODEL 105T

MUSICAL

 

TRANSFORMER

CHIME

REAR DOOR

 

TERMINAL

 

PUSHBUTTON

 

BOARD

 

 

 

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

 

 

 

 

 

 

BASE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FRONT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPKR –

 

 

 

 

 

 

TRANS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPKR +

 

 

REAR

 

 

 

 

 

 

 

 

I-COM +

 

GREEN

 

 

 

 

 

 

 

 

I-COM –

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YELLOW

BLUE

 

 

 

 

 

 

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.

 

 

TUNE LIST

 

 

1A

A Bicycle

5C

In The Good

2A

Built for Two

1D

Old Summertime

Battle Hymn

I've Been Working

3A

Of the Republic

2D

On The Railroad

Dixie

Jingle Bells

4A

1812 Overture

3D

La Cucaracha

5A

For He's A

4D

Oh! Dear, What

1B

Jolly Good Fellow

5D

Can The Matter Be?

Frere Jacques

Oh Tannenbaum

2B

Give My

1E

Shave And

3B

Regards To Broadway

2E

A Haircut

Greensleeves

Twinkle Twinkle

4B

Hail! Hail! The

3E

Little Star

5B

Gangs All Here

Westminster Chimes

Hallelujah Chorus

4E

(4-note)

1C

Happy Birthday

Yankee Doodle

2C

Hello, Ma Baby

 

 

 

3C

Home Sweet Home

 

 

 

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.

 

 

 

DOOR

TUNE

 

TONE

 

 

 

PLACE

TEST

E

 

4

TEMPO

LABEL

C

5

D

HERE

2

B

 

3

 

 

1

A

VOLUME

 

SELECTOR SWITCHES

SET AT 2D,

"JINGLE BELLS"

FIGURE 7

CHIME INTERCOM WIRING

 

MODEL IMA-516

INTERCOM

CHIME

MASTER

I-COM +

 

CHIME

 

I-COM –

 

CHIME

 

SPKR –

 

METAL

 

 

CHASSIS

 

 

GROUND

 

 

SCREW

 

 

(RED/WHT

 

 

IMA-516)

 

MODEL IM-2003

INTERCOM

CHIME

MASTER

 

I-COM +

 

INPUT

 

 

(COPPER)

 

 

(BLUE)

SPKR –

 

 

 

COMMON

 

 

 

 

 

(CENTER)

 

 

 

 

 

(GREY)

 

 

 

 

 

 

 

 

 

 

 

 

 

IW-2

 

 

 

 

 

 

 

 

 

MODELS IM-3000,

 

 

 

 

IM/IMA-4000 OR IM-5000

 

INTERCOM

 

 

SERIES

 

CHIME

 

MASTER

 

 

 

I-COM +

 

 

 

WHITE

 

 

 

 

 

 

 

CHIME

 

 

 

 

 

}INPUT

SPKR –

 

 

 

BLACK

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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