KS220 - Home Automation TP-LINK - Free user manual and instructions

Product Type	Smart Wi-Fi Dimmer Switch
Model	KS220
Brand	TP-Link
Dimensions (Approx.)	4.1 x 1.7 x 1.7 in (104 x 43 x 43 mm)
Weight (Approx.)	0.2 lbs (90 g)
Power Supply	120 VAC, 60 Hz
Wire Requirement	Neutral, Line, Load, Ground (requires neutral wire)
Wi-Fi Frequency	2.4 GHz
Smart Platform Compatibility	Apple HomeKit, Amazon Alexa, Google Assistant
Dimming Range	1% to 100%
Main Functions	Remote control via app, voice control, schedules, timer, Away Mode, scenes, grouping
Operating Temperature	0°C to 40°C (32°F to 104°F)
Storage Temperature	-40°C to 60°C (-40°F to 140°F)
Care and Cleaning	Wipe with dry cloth; keep away from water, humidity, and heat
Safety Precautions	Disconnect power at circuit breaker before installation; install only in UL-listed box; consult qualified electrician if unsure
Spare Parts and Repairability	No user-serviceable parts; replace unit if faulty (contact TP-Link support)
Certifications	FCC Part 15, IC, UL
Additional Features	No hub required; night light indicator (white LED when off)

Frequently Asked Questions - KS220 TP-LINK

Does the KS220 require a neutral wire?

Yes, the KS220 requires a neutral wire for proper operation. If your existing switch box does not have a neutral wire, consult a qualified electrician.

Can I use the KS220 with Apple HomeKit?

Yes, the KS220 supports Apple HomeKit. You can set it up using the Apple Home app by scanning the HomeKit QR code or entering the numeric code provided in the package or in the Kasa Smart app.

How do I reset the KS220 to factory default?

Press and hold the Reset button for at least 10 seconds. The light indicator will blink amber during reset. This restores factory default settings.

What is the maximum load for the KS220?

The manual does not specify exact load rating. Typically, such dimmer switches support up to 600W incandescent or 150W LED/CFL. Consult the product page or contact TP-Link for exact specifications.

Can I control the KS220 remotely?

Yes, using the Kasa Smart app you can control the switch from anywhere via your smartphone. The app also allows setting schedules, timers, and Away Mode.

Does the KS220 work with Alexa or Google Assistant?

Yes, the KS220 works with both Amazon Alexa and Google Assistant. You can use voice commands to turn on/off or dim the lights.

How do I install the KS220?

Turn off power at the circuit breaker. Remove existing switch, label wires (Line, Load, Neutral, Ground). Connect wires according to the wiring diagram in the manual. Secure switch into wall box, attach wallplate, and restore power. If unsure, hire a qualified electrician.

What should I do if the KS220 fails to connect to Wi-Fi?

Ensure your phone is on a 2.4 GHz network. Move the switch closer to the router during setup. Reset the switch and try again. If the indicator shows solid red, there is no Wi-Fi connection; check your network settings.

Can I use the KS220 with a 3-way switch setup?

The KS220 is designed for single-pole applications. For 3-way setups, you may need a compatible companion switch. Check TP-Link's website for compatible devices or consult a electrician.

How do I clean the KS220 wallplate?

Turn off power at the circuit breaker before cleaning. Wipe the wallplate with a soft, dry cloth. Do not use water, solvents, or abrasive cleaners.

USER MANUAL KS220 TP-LINK

Simple line drawing of a rectangular device with two top compartments and a front panel (no text or symbols)

User Guide

Smart Wi-Fi Light Switch, Dimmer

KS220

Contents

About This Guide 1

Introduction 2

Set Up Your Switch via Tapo 9

Set Up Your Switch via HomeKit……10

Main Device Controls 12

Manage Device Settings 15

Reset Your Smart Switch....18

Authentication 19

About This Guide

This guide provides a brief introduction to Smart Wi-Fi Dimmer Switch and regulatory information.

Features available in Kasa Smart may vary by model. All images, steps, and descriptions in this guide are only examples and may not reflect your actual Kasa Smart experience.

Conventions

In this guide, the following convention is used:

Convention	Description
Teal	Key information appears in teal, including management page text such as menus, items, buttons and so on.
Underline	Hyperlinks are in teal and underlined. You can click to redirect to a website.

More Info

• Specifications can be found on the product page at https://www.tp-link.com.
• Our Technical Support contact information can be found at the Help center of the Kasa Smart app and the Contact Technical Support page at https://www.tp-link.com/support.

Introduction

Control your home lighting from anywhere, anytime with the Kasa Smart app. Easily dim your lights from 1% to 100%.

Simple line drawing of a smartphone with two buttons and a blank screen (no text or symbols)

• Apple HomeKit Supported - Integrate your devices easily into your Apple ecosystem and control them using the Apple Home app and Siri on your iPhone, iPad, Apple Watch, HomePod, or Mac.
• Smart Dimming - Adjust your home's brightness freely using the Kasa Smart app, dimmer buttons, and voice commands via Alexa or Google Assistant.
• Brightness Control - Control the brightness of your lights to set the perfect ambiance for any activity.
  • Voice Control - Use simple voice commands to control the lights with Alexa or Google Assistant.
  • Control From Anywhere - Control your lights from anywhere using the Kasa Smart app.
• Set Schedules - Set your dimmer to automatically turn on and off while you're home or away.
• Group & Scene - Group your smart switch with other smart devices to control them all at once. Set custom scenes to match any occasion like waking up.
• Away Mode - Set your smart dimmer switch to turn lights on and off at random intervals to give the appearance you're home even while you're away.
• No Hub Required - The Kasa Smart Wi-Fi Light Switch connects to your home's secure Wi-Fi network. No need for a hub or extra equipment.

Appearance

graph TD
    A["Control Panel"] --> B["Recontrol Button"]
    B --> C["RESET"]
    B --> D["RESTART"]

Light Indicators: Indicate light brightness.

Press to decrease/increase light brightness.

Switch Button: Press to turn on/off the switch.

Solid Amber: Starting up.

Blinking amber & green: Ready for setup; Resetting Wi-Fi.

Blinking Green: Connecting to Wi-Fi.

Solid Green: Lit up for about 30 seconds when successfully connected to the Wi-Fi network, then turns off.

Blinking Amber: Resetting.

Solid Red: No Wi-Fi connection.

White: Lit up when the light is switched OFF to show the Smart Switch location in the dark.

Press to reboot the Smart Switch.

Press & hold for about 5s: Reset Wi-Fi while keeping other settings Press & hold for about 10s: Restore factory default settings.

Detach the Wallplate

Carefully insert a flat-bladed screw driver the opening at the bottom of the wallplate and pull forward to remove the wallplate.

*Images may differ from your actual product.
Note: Your can find another Homekit setup code label in the package and stick it anywhere you like as needed for Homekit setup.

Wire Your Switch

Follow the steps below to wire your Smart Wi-Fi Light Switch. If you are not familiar with basic electronic wiring, please consult an electrician.

Before You Start

1. Prepare Baisc knowledge of Wiring

• Ground: Usually green or copper.
- Neutral: Usually white, not connected to the dumb switch.
• Line: Usually black and coming from the circuit breaker.
- Load: Usually black. One end is connected to the light.

Note: If you are unsure, consult a qualified electrician.

1. Prepare Your Tools

Prepare a philips and slotted screwdriver, pliers, wire strippers and a voltage detector.

1. Check Wi-Fi Strength

Make sure your switch is in a area with strong Wi-Fi signal.

Wire Your Switch

Step 1. Turn Off Power and Remove the Wallplate

Turn off the circuit breaker. Then remove the old wallplate of the wall switch and label the wires.

CAUTION

Risk of Electric Shocks - High Voltage - Disconnect power supply at the circuit breaker before servicing.

MISE EN GARDE

Diagram showing a mechanical assembly with a blue arrow indicating direction, no text or symbols present

Step 2. Expose Your Switch Wiring

Disconnect wires from the old switch.

Step 3. Identify and Label the Line & Load Wires

1) Turn on the circuit breaker. Use a voltage detector to identify the energized wire (Line wire).
2) Turn off the circuit breaker. Label the Line and Load wires.

Technical line drawing of a mechanical assembly with two cylindrical components and a tool, no text or symbols present.

Technical line drawing of a load wire line with two connectors and wiring (no text or symbols)

Step 4. Lable Ground & Neutral Wires and Connect the Wires

Connect the wires as the diagram below.

Step 5. Install Your Smart Switch

Gently fold all of the wires back into the wall box. Line up the switch with the mounting holes. Secure it with screws.

Illustration of a device with a blue arrow pointing to a component, no text or symbols present

Step 6. Attach the Wallplate and Turn on Power

Attach the wallplate and turn on the circuit breaker. Then the wiring is finished.

Diagram showing a door panel being inserted into an electrical outlet (no text or symbols present)

Set Up Your Switch via Tapo

Follow the steps below to set up your Smart Light Switch via Kasa Smart app.

1. Download and install Kasa app

Go to Google Play or the App Store or scan the QR code below to download the Kasa Smart app on your Android or iOS smartphone or tablet.

OR

2. Log in or sign up with TP-Link ID

Open the app. Use your TP-Link ID to log in. If you don't have a TP-Link ID, tap Create Account and the Kasa Smart app will guide you through the rest.

3. Add Device

Tap the + button in the Kasa Smart app, select Smart Switches > Homekit Smart Dimmer, and then follow step-by-step app instructions to complete the installation and setup.

Set Up Your Switch via HomeKit

Before You Start

• Your iPhone/iPad should be connected to a stable 2.4 GHz Wi-Fi network with internet access.
• Ensure your iPhone/iPad, HomeKit device, and Apple home hub* (if any) are connected to the same Wi-Fi network.
  *The hub like HomePod, HomePod mini, and Apple TV helps control your HomeKit devices remotely, share the devices with others, and automate your devices to do tasks for you.
  • To control the HomeKit-enabled device in the Apple Home app, the latest iOS or iPadOS version is highly recommended.
• Find the HomeKit QR code or numeric code on your device or in its packaging. After setup, you can save the code in Device Settings in the Kasa Smart app.

How to Set Up?

1. Factory reset your Smart Switch.
2. Open the Apple Home app.
3. Scan the HomeKit QR code or enter the provided numeric setup code.
4. Follow the instructions in the app to complete setup.

If you have added your smart device to the Kasa Smart app, you can go to Device Settings > Device Info in the app to find the HomeKit setup code and add the device to the Home app.

Failed to Set Up?

• Factory reset the Smart Switch and restart your phone. Then try again.
• Move your iPhone/iPad and the smart device closer to the router to get a stronger Wi-Fi signal.
• HomeKit setup will be disabled in 10 minutes since the smart device is powered on. You can power off your Smart Switch, then power it on and try again.
• Creating a new home in the Home app can greatly help set up your smart device.
• You can visit https://www.tp-link.com/support/faq/3390/ or scan the QR code below for more troubleshooting instructions.

Scan QR Code

Contact us at

https://www.tp-link.com/support

for Technical Support, FAQs & more

Main Device Controls

After you successfully set up your Smart Light Switch, you will see the home page of the Kasa Smart app. Here you can view and manage all devices that you've added to Kasa. Tap your smart switch to control and manage it.

Home Page

Turn on/off your device on the Home page.

Status Page

Turn on/off your device, change light brightness, or set schedules, timer, Away Mode or check runtime on the Status page.

Set Presets

Set preset light brightness to siwtch to that brightness quickly with just a tap.

Set Schedules

Set schedules to automatically turn on/off the light at set times according to your daily routine.

Set a Timer

Set the timer for your dimmer switch to automatically turn on/off after the time ends.

Set Away Mode

Set Away Mode for your dimmer switch to turn on/off the light automatically at random intervals while you are away to make the appearance that someone is at home.

Manage Device Settings

1. Tap 📂 on the Status Page to enter the Device Settings page.

1. Smart Dimmer Configuration

Set fade on/off speed and double tap and long press effects.

2. Dimming Calibration

Calibrate your dimmer switch to smoothly dim your lights.

3. Add to Home

Add your device to the Apple Home app for easy control from your iPhone, iPad, or Mac.

Reset Your Smart Switch

You can remove your device from the Kasa Smart app on the Home page or on the Device Settings page, or by pressing the Reset button on your Smart Switch.

Home Page

Long press your device and then tap

Device Status Page

Tap Remove Device.

Press the Reset button

Press and hold the Reset for at least 10 seconds to restore factory default settings.

Simple line drawing of a smartphone screen with no text or symbols

Authentication

FCC compliance information statement

Product Name: Smart Wi-Fi Light Switch, Dimmer

Model Number: KS220

Responsible party:

TP-Link USA Corporation

Address: 10 Mauchly, Irvine, CA 92618

Website: https://www.tp-link.com/us/

Tel: [phone]

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/ TV technician for help.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference.

2. This device must accept any interference received, including interference that may cause undesired operation.

Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

Note: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user's authority to operate the equipment.

FCC RF Radiation Exposure Statement

This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This device and its antenna must not be co-located or operating in conjunction with any other antenna or transmitter.

"To comply with FCC RF exposure compliance requirements, this grant is applicable to only Mobile Configurations. The antennas used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter."

We, TP-Link USA Corporation, has determined that the equipment shown as above has been shown to comply with the applicable technical standards, FCC part 15. There is no unauthorized change is made in the equipment and the equipment is properly maintained and operated.

Issue Date: 2024.04.20

Canadian Compliance Statement

This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's licence-exempt RSS(s). Operation is subject to the following two conditions:

(1) This device may not cause interference.

(2) This device must accept any interference, including interference that may cause undesired operation of the device.

Radiation Exposure Statement:

This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

Industry Canada Statement

CAN ICES-3 (B)/NMB-3(B)

NCC Notice

注意!

依據 低功率電波輻射性電機管理辦法

LP0002 低功率射頻器材技術規範_章節 3.8.2

Note 1: “Exceeding 0.1 wt %” and “exceeding 0.01 wt %” indicate that the percentage content of the restricted substance exceeds the reference percentage value of presence condition.

Note 2: “○” indicates that the percentage content of the restricted substance does not exceed the percentage of reference value of presence.

Note 3: The “—” indicates that the restricted substance corresponds to the exemption.

Safety Information

• Keep the device away from water, fire, humidity or hot environments.
• Do not attempt to disassemble, repair, or modify the device.
• Do not use the device where wireless devices are not allowed.
• Operating temperature: 0^ 40^ (32 °F \~104 °F); Storage Temperature: -40°C \~60°C (-40 °F \~140 °F)

Follow all national and local safety regulations and practices. If you are uncertain or uncomfortable when performing the installation, consult a qualified electrician.

• Install only in a suitable UL or equivalent Listed outlet box.
- CAUTION – Risk of electric Shock – More than one disconnect switch may be required to de-energize the equipment before servicing. A circuit breaker which disconnects the Live and Neutral conductor simultaneously is suitable. Ensure power is off at the circuit breaker before removing or installing any wall switch.
- Do not install the Smart Switch with wet hands or when standing on wet or damp surfaces.
- The Smart Switch must be installed and used in accordance with the National Electric Code (NEC) or your local electrical code. If you are unfamiliar with these codes and requirements, or are uncomfortable performing the installation, consult a qualified electrician.
- Tighten terminal screws to 13 lbf-in.

CAUTION

Electronic switch integrated in this product is only intended for functional purposes.

De-energized the product at the circuit breaker before servicing.

CAUTION:

To Reduce the Risk of Electric Shock – Use Only Indoors.

USE ONLY IN DRY LOCATIONS.

Please read and follow the above safety information when operating the device. We cannot guarantee that no accidents or damage will occur due to improper use of the device. Please use this product with care and operate at your own risk.

Explanation of the symbols on the product label

Symbol Explanation
	Class II equipment
	Class II equipment with functional earthing
~	Alternating current
---	DC voltage
	Polarity of output terminals
	Indoor use only
[0004]	Dangerous voltage
[0005]	Caution, risk of electric shock
	Energy efficiency Marking
[1992]	Protective earth
	Earth
	Frame or chassis
[476]	Functional earthing
[0006]	Caution, hot surface
	Caution
	Operator's manual
[0009]	Stand-by"ON"/"OFF" (push-push)
	Fuse
	Fuse is used in neutral N
	RECYCLINGThis product bears the selective sorting symbol for Waste electrical and electronic equipment (WEEE). This means that this product must be handled pursuant to European directive 2012/19/EU in order to be recycled or dismantled to minimize its impact on the environment.User has the choice to give his product to a competent recycling organization or to the retailer when he buys a new electrical or electronic equipment.
	Caution, avoid listening at high volume levels for long periods
	Disconnection, all power plugs
m Switch of mini-gap construction
μ	Switch of micro-gap construction (for US version)Switch of micro-gap / micro-disconnection construction (for other versions except US)
ε Switch without contact gap (Semiconductor switching device)