
Start by connecting the power source to the main terminal of the first control point. From there, extend the power to the device via the central terminal. Ensure that the power flow is uninterrupted and that all terminals are tightly secured to avoid connection issues during operation.
At the second control, connect the traveler wires to the corresponding terminals. These wires will carry the signal from the first location, allowing you to activate the system from either control. Check that the connections are made properly to ensure smooth operation when toggling between the controls.
If you experience issues such as intermittent sound or failure to activate from one of the controls, inspect the traveler wire connections. Often, loose or incorrectly placed wires are the root cause. Properly route the wires and secure them to maintain consistent functionality across both control points.
2 Chime Doorbell System Setup

Begin by connecting the power supply to the main terminal of the first control unit. This terminal will handle the incoming electrical flow from the power source. Ensure the connection is tight and secure to prevent any electrical disruptions.
Next, route the signal to the first of the two devices. Use two separate wires for each device, ensuring that each device has its own connection from the power source. Each device should have its own dedicated line to avoid interference between them.
For the second unit, run the signal wire from the first unit’s output terminal to the second unit’s input terminal. Make sure that the wires are long enough to reach the second control unit without strain and that they are properly insulated to prevent shorts.
- Check the voltage rating for both devices to ensure compatibility with your power supply.
- Verify the correct polarity of the connections to avoid malfunction.
When the devices are connected, link the common terminal of the second unit to the power-controlled load. This will allow both devices to activate the system when triggered by either of the control points.
After completing the setup, test the system by activating both control units to ensure that each unit triggers its corresponding device. If one device fails to operate, double-check the connections for any loose or incorrectly placed wires.
To troubleshoot, check for any disconnected wires, poor connections, or incorrect terminals. Ensure that all connections are secure and that the traveler wires are routed properly between the two units to allow seamless control from both locations.
Understanding the Wiring Connections for Dual Chime Systems

Start by connecting the main power line to the first control unit. This terminal is the key entry point for electrical flow, so ensure the connection is tight to prevent any disruption in the system’s performance.
Next, route the electrical signal to both devices. Use two separate connections for each device to ensure they operate independently. This minimizes the risk of interference or malfunction between the devices.
For the second unit, connect it by running a signal wire from the output terminal of the first unit to the input terminal of the second one. Double-check the length of the wire to ensure it’s not under strain and that it’s well-insulated to avoid any potential short circuits.
- Ensure each unit is rated for the same voltage as the power source.
- Double-check the polarity for correct orientation to avoid malfunction.
Connect the common terminal of the second unit to the load, ensuring that the electrical path is complete. This step ensures that both units can trigger their respective devices when activated.
Once everything is connected, test the system by activating both control units. Each unit should independently trigger the respective device. If one device fails to activate, recheck the connections and ensure all traveler wires are properly routed.
If you experience issues, inspect the connections for loose or improperly placed wires. Common problems include poor contact at the terminals or faulty traveler wires, which can interrupt the signal transfer between the control units.