Installing Your Lutron RadioRA 3 Sunnata Touch Dimmer

What's in the Box

Your Lutron RadioRA 3 Sunnata Touch Dimmer package includes the Sunnata touch dimmer, a decorative wallplate, wire connectors, a wallplate adapter bracket, and installation instructions. The Sunnata Touch Dimmer is part of Lutron's professional-grade RadioRA 3 system, featuring a sleek capacitive touch interface with a subtle LED light bar that indicates the current dimming level. It supports dimmable LED loads up to 150W and incandescent or halogen loads up to 500W.

Prerequisites

Before beginning installation, ensure you have:

• A Lutron RadioRA 3 processor already installed and configured on your network
• The Lutron RadioRA 3 app or the installer programming software
• A non-contact voltage tester and a Phillips-head screwdriver
• A neutral wire in the switch box (required for the Sunnata dimmer, unlike the Caseta line)
• Access to your home's circuit breaker panel

The RadioRA 3 system uses Lutron's Clear Connect Type X RF protocol, an advanced version of the technology used in Caseta. This system requires a RadioRA 3 processor as the central hub and is typically installed by Lutron-certified professionals, though experienced DIY homeowners can complete the wiring if comfortable working with electrical circuits.

Step-by-Step Installation

1. Switch off the circuit breaker controlling the switch box where you will install the dimmer. Use the voltage tester to verify no power is present.
2. Remove the existing switch, noting the wire connections. You should identify the hot (line) wire, load wire, neutral wire (white), and ground wire.
3. Connect the green wire on the Sunnata dimmer to the ground wire in the box. Connect the black wire to the hot line wire, the blue or purple wire to the load wire, and the white wire to the neutral bundle.
4. Carefully fold the wires into the electrical box and mount the dimmer using the provided screws. Ensure the dimmer sits flush against the wall.
5. Attach the wallplate adapter and decorative wallplate. The Sunnata series uses a proprietary wallplate system with clean, screwless aesthetics.
6. Restore power at the circuit breaker. The dimmer's LED bar should illuminate briefly as it powers on.

App Pairing and System Integration

Open the Lutron RadioRA 3 app and navigate to device setup. The Sunnata dimmer must be enrolled with the RadioRA 3 processor by pressing the configuration button on the dimmer (located behind the faceplate) when prompted by the app. Once enrolled, assign the dimmer to a room and configure its behavior, including fade rates, preset levels, and button assignments. The touch bar allows users to slide a finger up or down to smoothly adjust brightness, while tapping the top or bottom activates full on or off.

Smart Home Integration Tips

RadioRA 3 supports Apple HomeKit, Amazon Alexa, Google Assistant, and Control4 integration. The system also supports Lutron's HomeWorks QSX for larger estates. Unlike Caseta, the RadioRA 3 system supports up to 200 devices and offers more advanced programming options such as time-based schedules, conditional logic, and occupancy and vacancy sensor integration. If you have Lutron occupancy sensors, pair them with the Sunnata dimmer for hands-free lighting control that turns lights on when you enter a room and off after a set vacancy period.

Quick Troubleshooting

If the dimmer does not power on after installation, verify the neutral wire is securely connected, as the Sunnata dimmer requires it. If the touch bar is unresponsive, perform a reset by pressing and holding the configuration button for 15 seconds. LED flickering with dimmable bulbs can often be resolved by adjusting the high-end and low-end trim settings in the RadioRA 3 app to match your specific bulb model. Always check Lutron's bulb compatibility list for confirmed LED compatibility.