-2-
598-1134-02
Transformers should be mounted on or near a junction box. They can also be mounted
to the electrical service panels. Junction boxes in utility rooms, crawl spaces, or
basements are preferred. Avoid attic locations whenever possible.
To install a new transformer,
TURN OFF HOUSE POWER,
then mount either
Heath
®
/Zenith 107C or 125C transformer to a convenient junction box or circuit
breaker box. Follow instructions supplied with transformer.
To connect bell wire from chime to push button, cut it to required length, strip coat-
ing 1/2", wrap exposed wire around chime terminals #1 and #2 and tighten screws
(see Figure 3).
Replace cover and turn house power back on. Run bell wire to push button location
and connect to push button. Follow instructions supplied with push button.
C. Replace Existing Transformer-Operated Chime Using Battery Operated
Chime With Existing Wiring.
(Do not use with lighted push button.)
TURN OFF HOUSE POWER.
Label wires at the
“old” chime as shown in Figure 4. Remove “old”
chime. At the transformer remove the two or three
low voltage wires from the output terminals, twist
them together and secure them with a wire nut.
Turn the house power back on. Mount the new
battery-operated chime in place of the “old” chime
and connect wires as follows: F to chime terminal
#1; R to chime terminal #1 (NOTE: Rear door and
front door will both sound the two-note (Ding-Dong)
tune when either button is activated.); T to chime
terminal #2. NOTE: No connection to chime terminal
#3 (see Figure 5). Fit (4) “C” batteries or
- marked on the base plate. Alkaline batteries offer
longer life. Batteries are not included.
REAR
TRAN
S
FRONT
F
R
T
Figure 4 - “Old Chime”
To Push Button
3
2
F
T
1
R
Figure 5
