User Guide
Label the Traveler wires in the two wallboxes.
3
Note: Apply the same label to the same color wires in two wallboxes. For
example, label the red
wire as Traveler 1. And do not cross Traveler 1
and Traveler 2 wires between two wallboxes in later connection.
Disconnect all wires from the two dumb switches and connect them to the Smart 3-Way Dimmer as below.
7
*You can nd step-by-step instructions in the Kasa Smart app.
Wire Your 3-Way Dimmer
Turn o the circuit breaker. Then remove the two
wallplates. Your dumb switches might look like this.
1
Line (Live/Hot): Usually black. One end is connected to the circuit
breaker, the other to your FIRST 3-Way switch.
Load: Usually black. One end is connected to the light xture, the
other to your SECOND 3-Way switch.
Traveler 1 / 2: Usually one is black and the other is red.
Neutral: Usually a bundle of white wires, not connected to the dumb
switch. They may be folded up in the very back.
Ground: Usually green or copper.
Get to know the wires.
2
Two Traveler wires
(Opposite each other with
the same color screws. )
Line/Load wire
(Black. Line and Load wires
are in dierent boxes. )
3) Label the other wire in the other wallbox as Load wire. This is
the wallbox for the satellite dimmer.
Identify Line and Load wires in the two wallboxes.
5
1) Turn on the circuit breaker. Use a voltage detector to identify
the energized wire (Line wire).
2)
Turn o the circuit breaker and label the Line wire. This is the
wallbox for the main dimmer.
Take care to avoid electric shocks.
▲
The wire colors used in this guide are recommended by National Electric Codes (NEC). They may dier from your actual wire colors.
▲
your 3-Way wiring color does not match, please nd more instructions in the app or FAQ.
Load wireLine wire
Label the Ground and Neutral wires.
6
Only disconnect the Line/Load wires from the two
dumb switches, then cover them with provided wire
nuts for safety.
4
What happens if Traveler 1 of main dimmer is connected to Traveler 2 of satellite dimmer?
Smart Dimmers won’t work. Wi-Fi LED will blink red rapidly. Swapping Traveler 1/2 wiring positions of the satellite dimmer
will solve the problem.
Satellite DimmerMain Dimmer
Power Source To Light Bulbs
Electrical Cable
(Usually inside wall)
Smart Wi-Fi 3-Way Dimmer
KS230 KIT
Quick Start Guide
7106509518 REV1.1.1
*Images may dier from actual products.
Install with videos:
Scan QR code or visit
https://www.tp-link.com/us/support/
download/ks230-kit/#video
Wiring guide:
Scan QR code or visit
https://www.tp-link.com/support/faq/3037/
Set Up Your 3-Way Dimmer
STEP 2
SET UP
Tap the button in the app. Select Smart Switches
then Smart 3-Way Dimmer. Then follow the app
instructions to set up your smart dimmer.
DOWNLOAD APP
Get the Kasa Smart app from the App Store or
Google Play.
STEP 1
OR


