Chime replacement installation, Mounting suggestions – Heath Zenith 125C User Manual
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CHIMe RePlACeMeNT INSTAllATION
IMPORTANT: Proper installation requires a diode on the front door push button. See
Diode Installation Instructions (page 7) 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 4).
8. Route wires through wire entrance hole in new chime base.
9. Mount chime base to wall using screws and anchors provided. (Drill 7/32" diameter pilot hole for
wall anchors.)
10. Connect wire “F” to screw terminal marked “FRONT”. Connect wire “T” to screw terminal marked
“TRANS”. Connect wire “R” to screw terminal marked “REAR”* (See Figure 2).
11. Install chime cover (see page 6).
12. Connect diode to front push button (see page 7).
*Note: Some installations may not include rear door push button.
MOuNTING SuGGeSTIONS
• Power must be supplied from a 16 Volt, 10 Watt transformer or 16 Volt, 15 Watt transformer (Heath
®
/
Zenith models 122C, 121AC, or 125C).
• Mount door chime in a central location so it can be heard throughout the home (for new installa-
tions).
• See actual unit for orientation of base (see Figure 1).
• Always use mounting wall anchors.
• Use all mounting holes located at four corners of base.
• Route the wires through the wire entrance hole (see Figure 1).