LEGRAND Radiant Series User manual

installation guide
Smart Switch
WTRL10

2
table of contents
before you start..................................3
what you need ...................................4
installation and setup ................ 6–19
getting to know your switch ......20-21
specifications...................................22
faqs ..............................................23
regulatory information......... 24–27
warranty.......................................28
support ........................................29

3
before you start
Review this guide in its entirety before beginning device installation. Consult an
electrician with any questions or if you are unsure of your abilities.
DWarning: Incorrect installation could
result in death, serious injury, and/or
damage to your home or devices.
DCaution: To reduce the risk of injury
and/or overheating and damage to other
equipment:
• For dry, indoor use only.
• Do not use to power medical equipment.
• Not suitable as a disconnecting means.
• Do not use with loads exceeding the
device load rating (see page 22).
• Connect the smart switch to a
120 VAC, 60 Hz power source ONLY.
• Always use copper wire to install the
smart switch and follow all applicable
local and national electrical codes.
• Install in a non-metallic electrical box
to protect wireless signal strength.
Visit the Legrand website at www.legrand.us/radiant/smart-lighting.aspx to learn more
about your smart device.

4
what you need
REQUIRED:
Phillips-head screwdriver
Flat blade screwdriver
YOU MAY ALSO NEED:
Non-contact voltage tester, pliers, wire cutter, wire stripper, electrical tape,
flashlight, radiant®screwless wallplate (included), wiring leads (included), and
wire nuts (included)
NOTE: Exercise caution when using power tools. Overtightening the screws can
damage the device.

5

6
installation & setup
step one
|
turn off the power for your device at the
circuit breaker
Flip the existing light switch multiple times to confirm the power is off.
NOTES:
• If there are multiple devices next to your existing light switch, make sure power is
off at the circuit breaker for all of those devices.
• For three-way installations using a remote switch, follow the instructions for the
remote device (WTRL20).

7
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON

8
installation & setup
step two
|
remove the existing device
Check for the following wires:
1HOT or LINE: Receives power from the circuit box. Referred to as “Hot” for the
purposes of this guide.
2LOAD: Directs power to your light(s).
3NEUTRAL: Creates a path to return current to the power source when the
device is off. Required for your switch installation.
4GROUND: Provides a safe path for electricity in the event of a short circuit.
NOTE: Refer to “faqs” on page 23 if you are unsure of your wiring.

9
OFF
ON
OFF
ON
OFF
ON
VOLTAGE
TESTER
Load
Supply
“Hot”

10
installation & setup
step three
|
wire the smart switch
When connecting each wire, loosen the terminal screw, insert the wire into a
terminal slot, and tighten the terminal screw until the wire is secured.
1Connect the neutral wires to the WHITE terminal slots.
2Connect the load wire to any LOAD terminal slot.
3Connect the hot wire to any HOT terminal slot.
4Connect the ground wire to the green wiring lead on the device. Use a wire nut
to secure the wires together.
NOTE: If you need extra length on your wires, wire leads are included in your packaging.

11
OFF
ON
OFF
ON
OFF
ON
Load
Supply
“Hot”
Terminal screw
Terminal
slot
NOTE: For multi-gang installations,
refer to “specifications” on page 22.

12
installation & setup
step four
|
secure the smart switch
1Gently fold the wires into the electrical box. Be careful not to pinch a wire or
loosen anywire caps.
2Use the device screws to secure the smart switch to the electrical box. Do not
fully tighten the screws.

13

14
installation & setup
step five
|
test the smart switch
NOTE: See page 20 for feature details.
1Turn the power back on at the circuit breaker.
2Press the paddle switch to turn your light on and off.
TROUBLESHOOTING TIP:
If the device is not powering, reference the “faqs” on page 23 to determine if you have
reversed the “hot” and “load” wiring.

15
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON

16
installation & setup
step six
|
attach the screwless wall plate
1Noting which side faces out, align the sub-plate over the device screws. Use
the sub-plate screws (provided) to secure the sub-plate to the smart switch.
2Tighten the device screws to secure the smart switch to the electrical box.
3Angle the end of the screwless wall plate over the top edge of the
sub-plate. Push the screwless wall plate down and in until it “snaps” into
place over the sub-plate.
NOTE: To remove the wall plate, place the tip of a flat blade screwdriver into the slot under
the wall plate and twist gently.

17
THIS SIDE OUT
MOUNT OVER DEVICE
THIS SIDE OUT
MOUNT OVER DEVICE
THIS SIDE OUT
MOUNT OVER DEVICE
1 32

18

19
installation & setup
step seven
|
set up your system
1Download and launch the Smart Lights Thread app by Legrand. The app is
available on the App Store or on Google Play.
2Connect your smart hub (WTH1) by following the smart hub installation guide
instructions and the self-guided app instructions.
3Connect your smart switch to the smart hub by following the instructions
within the app.
Google Play and the Google Play logo are trademarks of Google LLC. App Store is a service mark of Apple Inc., registered in the U.S. and other countries.

20
getting to know your switch
Item Name Description
1 Paddle Switch
• Press the top of the paddle to turn the light on
and the bottom to turn the light off.
• To return the switch to factory default, press
and hold the top of the paddle for 15 seconds.
The LED illuminates a solid amber color.
• To complete the factory reset, you must also
remove the device from your Samsung Artik
Cloud account before it can be recommissioned
with your existing Hub or a new Hub.
2 LED Locator Light Indicates the current state of the device. Refer to
“LED Locator Light Explanations” for detail.