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September 08, 2026 4 min read
Installation instructions for the Legrand radiant LC2201 Wireless Master Switch, a 15A general-purpose switch for the radiant wireless system.
Installation instructions for the Legrand radiant LC2201 Wireless Master Switch, a 15A general-purpose switch for the radiant wireless lighting control system.
To prevent severe shock or electrocution, always disconnect power at the service panel before beginning work. When replacing an existing device, label wires before disconnecting the old device.
Failure to connect the ground wire will result in an unsafe installation that could lead to personal injury.
Do not pair different-size wires in the same terminal. If wire gauges differ, use a wire nut to add a 6-inch pigtail of the same gauge as the smaller wire before connecting.
Creating a new group: ensure all potential members' LEDs are solid WHITE. Press and hold each potential group member's On Button for 5 seconds until its LED flashes AMBER. Then press and hold the initiator's On Button for 5 seconds — all LEDs flash GREEN for 2 seconds and turn solid WHITE.
Adding/removing a device: press and hold any existing group device's On Button for 5 seconds — current group members flash AMBER, non-group devices flash GREEN. Press and hold any device's On Button for 5 seconds so its LED flashes AMBER (join) or GREEN (leave), then press and hold the initiator's On Button for 5 seconds to confirm.
| Device | Action | Result |
|---|---|---|
| Switch | Press & release | Toggles On ↔ Off. Status LED is on when device is off, off when device is on. |
| Dimmer | Press & release On | Off to last level, or On to Off, at 2-second ramp rate |
| Dimmer | Double tap On | Full On at 1-second ramp rate |
| Dimmer | Hold Off 2 sec | From On: off at a slow 30-second ramp rate |
| Dimmer | Press/release Paddle (+) | Off→last level at 2-sec ramp; On: +2% per tap |
| Dimmer | Double tap Paddle (+) | Off→Full On at 1-sec ramp; On: +4% |
| Dimmer | Hold Paddle (+) | Increases level at 5-second ramp rate |
| Dimmer | Press/release Paddle (−) | On: −2% per tap |
| Dimmer | Double tap Paddle (−) | On: −4% |
| Dimmer | Hold Paddle (−) | Decreases level at 5-second ramp rate |
Press and hold the On Button for 20 seconds — status LED goes to solid AMBER.
With all device LEDs solid WHITE, press and hold any switch's On Button for 10 seconds and release — the initiator's LED flashes GREEN or RED depending on the existing setting, with blink count indicating the custom setting selection. Press and release to change selections; blink color indicates status (GREEN = Locator On, RED = Locator Off). Press and hold the initiator's On Button for >2 seconds to exit, or wait for the 60-second timeout.
Custom Setting: One blink = Locator Light On/Off (Default: On).
To remove a wall plate, insert a flat screwdriver in the notches on the back of the plate and twist gently.
Legrand • 860.233.6251 • 1.877.BY.LEGRAND • www.legrand.us / www.legrand.ca
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