Chime Replacement Installation
IMPORTANT: Proper installation requires a diode on the front door push button. See Diode Installation Instructions (page 5) after completing steps 1 through 10 below.
Note: Electrical work must be in accordance with national and local electrical codes. If in doubt, consult a qualified electrician.
1.Verify transformer power rating. Power must be supplied from a 16 Volt AC, 10 Watt or a 16 Volt AC, 15 Watt transformer (Heath®/Zenith models 122C, 121AC, or 125C).
2.Remove cover from existing chime.
3.Label all wires before disconnecting. Using masking tape, mark each wire according to existing chime terminal markings.
•“F” – Front Push Button Wire
•“T” – Transformer Wire
•“R” – Rear Push Button Wire*
4.Disconnect all wires from existing chime.
5.Remove existing chime base from wall.
6.Determine proper chime base orientation. The chime cover style will determine orientation.
7.Determine cover mounting type. For hanging type covers, cover pin should be exposed (see Figures 1 and 3).
Continued
- - | |
Cover Pin (Used for | Base Orientation |
Hanging Type Covers) | Marking |
Volume Control
Front Door Tune
Selection Switch
(On Select Models)
“A” - Westminster
“B” - Whittington
Mounting
Hole (x4)
Transformer and
Push Button Wire
Connections
Wire Entrance Hole
Figure 1 - Electronic Chime Identification
(TR-0070-BX Base Shown)
Illustrations may vary from actual chime unit.
