INSTALLATION INSTRUCTIONS
READ & SAVE THESE INSTRUCTIONS!
Two-Note
Surface-Mounted
Door Chimes
PLANNING
• Your NuTone Door Chime is designed for two-door operation.
• If the home is multiple-level or large ranch style, two or more
chimes should be used to provide adequate coverage.
• Handle the door chime carefully, as you would any precision
instrument.
FIGURE 1
SINGLE
2-NOTE CHIME
120vAC WIRING
WIRING
BE SURE HOUSE POWER IS TURNED OFF WHEN WIRING
THE TRANSFORMER. WIRING CONNECTIONS MUST COMPLY
WITH LOCAL OR NATIONAL WIRING CODES.
• For a single installation, use NuTone Model 515T or 101T
Transformer.
FRONT
TRANS
FRONT DOOR
PUSHBUTTON
NUTONE 101T
OR 515T
• For two or more chimes, use NuTone Model 105T or 301T
Transformer.
NOTE: When fastening chime wiring to wall studs and ceiling
joists, care must be taken to avoid possible “shorts” that might be
created by allowing staples or clips to cut through the protective
wiring insulation.
TRANSFORMER
REAR
REAR DOOR
PUSHBUTTON
18-22 GA. INSULATED
2-CONDUCTOR WIRE
TERMINAL
BOARD
FIGURE 2
Refer to Figure 1. Mount the transformer to a convenient junction
box (attic location is not recommended) or circuit breaker box.
Connect house power leads to transformer leads – black to black
and white to white.
MULTIPLE
2-NOTE CHIMES
120vAC WIRING
FRONT DOOR
PUSHBUTTON
Refer to Figure 2 for single chime installation or to Figure 3
for multiple chime installation. Run 2 conductor 18-22 gauge
wire from transformer and the pushbutton(s) to chime location(s).
Bring the wires through the wiring hole in the chime baseplate(s)
and fasten the baseplate(s) to the wall though the mounting holes
with the screws provided. Connect the transformer and the
pushbutton wires to the chime terminal board(s).
NOTE: Upon completion of installation, if the chime does not
operate properly, check the pushbutton(s) for poor contact or
loose connections. Be certain wires are not touching the tone
bars.
FRONT
TRANS
REAR
FRONT
TRANS
REAR
18-22 GA. INSULATED
2-CONDUCTOR WIRE
NUTONE 105T
OR 301
TRANSFORMER
COMMON WIRES
TERMINAL
BOARD
CHIME NO. 1 CHIME NO. 2
TERMINAL
BOARD
REAR DOOR
PUSHBUTTON
FIGURE 3
TUBE INSTALLATION (When applicable)
Refer to Figure 4. Hang tubes onto hanger bracket hooks so that
the longest tube is at the left and the shortest at the right.
MOUNTING COVER
Install the chime cover over the baseplate.
MAINTENANCE INSTRUCTIONS
If chime plungers should ever become “sluggish” in their
movement, clean plungers with a nonflammable cleaning fluid and
wipe dry.
CAUTION: NEVER OIL CHIME PLUNGERS.
SHORT
REPLACEMENT PARTS OR SERVICE
Contact your local Authorized NuTone Parts Outlet or Service
Center. If you are unable to locate the facility, write NuTone Inc.,
4820 Red Bank Road, Cincinnati, Ohio 45227-1599.
Attention: Department of National Field Service.
LONG
FIGURE 4
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