NuTone LB-18, LB-76, TWO-NOTE DOOR CHIME LB-76 User Manual

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INSTALLATION INSTRUCTIONS

READ & SAVE THESE INSTRUCTIONS!

Two-Note Door Chime

MODEL: LB-18, LB-76 SERIES

Designed for two-door operation.

Model LB-76 is designed to be used with a NuTone Radio-Intercom system.

WIRING CAUTIONS: Before installing the transformer and chime, turn off the house power and leave it off until installation is complete.

Carefully fasten wiring to wall studs and ceiling joists

– avoid short circuits caused by staples or clips cutting through the wiring's insulation. When drilling into walls, be careful not to damage existing electrical cables.

All wiring must comply with local codes or the National Electrical Code. If you are unfamiliar with electrical wiring installation methods, secure the services of a qualified electrician.

NOTE: NuTone Model 101T (16V - 15VA) transformer is included with Model LB-76 Door Chime.

CHIME WIRING DIAGRAM

CAUTION: DO NOT USE THIS TRANSFORMER

FOR INTERCOM OR OTHER APPLIANCE

 

FRONT DOOR

FRONT

PUSHBUTTON

 

120v AC

 

WIRING

TRANS

20-GAUGE INSULATED

2-CONDUCTOR WIRE

 

 

COMMON

REAR

WIRES

NUTONE 101T

 

 

TRANSFORMER

 

REAR DOOR

 

PUSHBUTTON

FIGURE 1

INSTALLATION

1.NuTone chimes are designed to be seen as well as heard. Locate the chime on a wall at eye level.

2.Mount the transformer to a convenient junction box or panel box. Connect the 120v AC house power leads to the transformer wires as follows: black to black;

black to white.

NOTE: Label all wires as they are run.

3.Run 20-gauge, 2-conductor wire from the transformer terminals to the chime site.

4.Wire and mount the pushbuttons. Run 20-gauge, 2-conductor wire from the pushbutton to the chime site.

5.If connecting Model LB-76 chime to a NuTone RadioIntercom, run NuTone IW-2 cable (22-gauge, 2-conductor) from the Radio-Intercom to the chime site. For connections to the Radio-Intercom, see instructions packaged with the Radio-Intercom Master Unit.

6.Pull all of the wires which have been run to the chime site through chime baseplate. Mount baseplate with supplied screws.

7.Connect wires as shown in Figure 1. Where applicable, make connections to Radio-Intercom as shown

in Figure 2.

8.Be certain the wires are not touching the chime tone bars or the power unit.

9.Restore the house power to transformer and test chime. If chime does not respond to pushbutton, check wire connection.

10.Install the chime over the baseplate.

NUTONE IW-2 CABLE

FROM RADIO-INTERCOM TO MODEL LB-76

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

2

 

 

 

 

 

 

INTERCOM CHIME VOLUME CONTROL

TERMINAL BOARD

FIGURE 2

HOMEOWNER'S INFORMATION

“Sluggish” chime plungers

If chime plungers should ever get “sluggish” in their movement, clean the plungers with a non-flammable cleaning fluid and wipe dry.

CAUTION: Never oil chime plungers.

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