1. Introduction
The Kasa Smart Dimmer Switch KS220 is designed to replace most standard light switches, offering smart control over your lighting. This device integrates with your home Wi-Fi network, allowing for remote management, scheduling, and voice control through compatible smart home platforms.
2. Safety Information
WARNING: RISK OF ELECTRIC SHOCK.
- Installation requires a neutral wire. If you are unsure, consult a qualified electrician.
- Turn off power at the circuit breaker before installation.
- Use only with dimmable LED bulbs or incandescent bulbs. Non-dimmable bulbs may flicker or be damaged.
- Operate within specified voltage (100-120 VAC, 50/60 Hz) and current (2.5 Amps) limits.
3. Package Contents
- 1x Wi-Fi Light Switch (KS220)
- 1x Wall Plate
- 4x Wire Nuts & Labels
- 1x Quick Start Guide
4. Setup and Installation
4.1 Pre-Installation Checklist
- Ensure you have a neutral wire available in your electrical box.
- A 2.4GHz Wi-Fi connection is required for smart features.
- Download the Kasa Smart app from your device's app store.
4.2 Wiring Instructions
The Kasa app provides detailed, step-by-step instructions for installation. Follow the in-app guide for proper wiring. A general wiring diagram is provided below for reference.
Image: Wiring diagram for the Kasa Smart Dimmer Switch KS220. It illustrates how to connect the Line, Load, Neutral, and Ground wires to the switch and the electrical box. The Line wire (usually black) connects to the power source, the Load wire (usually black) connects to the light fixture, the Neutral wire (usually white) connects to the neutral bundle, and the Ground wire (usually green) connects to the ground wire.
4.3 Apple HomeKit Integration
This device is HomeKit compatible. To add it to your Apple Home App:
- Ensure your phone is connected to a stable 2.4 GHz Wi-Fi network with internet access.
- Finish the onboarding process within 10 minutes of initiation. If unsuccessful, press the RESTART button on your switch to restart and try again.
- Open the Home App.
- Scan the QR code via the Apple Home App or your camera app.
- Follow the onboarding instructions in the Apple Home App.
Image: A visual guide for adding the smart switch to Apple Home. It shows a smartphone screen with the 'My Home' interface, prompting the user to 'Add Accessory' by scanning a setup code. A QR code is also displayed for scanning.
5. Operating Instructions
5.1 Basic On/Off and Dimming
The KS220 switch functions like a traditional light switch for basic on/off control. Additionally, it features dedicated buttons for dimming. Press the top button to increase brightness and the bottom button to decrease brightness. The switch supports a 'Gentle Off' feature, allowing lights to fade off gradually.
Image: A child sleeping peacefully, representing the 'Gentle Off' function of the smart dimmer switch, which allows lights to fade out slowly.
5.2 Voice Control
Control your lights hands-free using voice commands with compatible smart assistants:
- Apple Siri: "Hey Siri, turn on/off the lights."
- Amazon Alexa: "Alexa, dim the lights to 50%."
- Google Assistant: "Hey Google, set the living room lights to bright."
Image: A person in a kitchen holding a baby, with a speech bubble indicating a voice command to Siri to turn on the kitchen light, showcasing the voice control feature of the smart switch.
5.3 Scheduling and Away Mode
Utilize the Kasa app to set schedules, timers, and countdowns for your lights. The 'Away Mode' feature can randomly turn lights on and off to simulate occupancy when you are away, enhancing home security.
Image: A person stretching in a sunlit room, with a smartphone showing a scheduling interface for lights, demonstrating how to set schedules for the smart switch.
6. App Integration (Kasa/Tapo)
The Kasa Smart Dimmer Switch can be managed through the Kasa Smart app. For users with Tapo devices, Kasa devices can also be integrated into the Tapo app for unified control.
6.1 How to Integrate Kasa into Tapo
Video: This video demonstrates the process of integrating Kasa devices into the Tapo app. It shows how to link accounts, authorize access, and manage Kasa devices from within the Tapo interface.
7. Maintenance
- Clean the switch with a soft, dry cloth. Do not use liquid cleaners.
- Regularly check the Kasa app for firmware updates to ensure optimal performance and security.
8. Troubleshooting
8.1 HomeKit Connection Issues
If you experience issues adding the switch to HomeKit:
- Factory reset the device and restart your phone. Then try again.
- For more information, scan the QR code below or visit the TP-Link support page.
Image: A QR code that links to the TP-Link support FAQ for troubleshooting HomeKit integration issues.
8.2 Dimming Issues
- Ensure that the bulbs connected to the dimmer switch are explicitly labeled as dimmable. Using non-dimmable bulbs can cause flickering or damage.
- Check the wattage of your bulbs to ensure they are within the switch's supported range (up to 275 watts).
9. Specifications
| Feature | Specification |
|---|---|
| Operation Mode | ON-OFF |
| Current Rating | 2.5 Amps |
| Operating Voltage | 120 Volts (AC) |
| Contact Type | Normally Closed |
| Connector Type | Screw |
| Terminal | Through Hole |
| Item Dimensions (L x W x H) | 5.06 x 3.33 x 1.77 inches |
| Circuit Type | 1-way |
| Actuator Type | Push Button |
| Contact Material | Copper |
| International Protection Rating | IP20 |
| Number of Positions | 1 |
| Lower Temperature Rating | 32 Degrees Fahrenheit |
| Upper Temperature Rating | 104 Degrees Fahrenheit |
| Controller Type | Amazon Alexa, Apple HomeKit, Google Assistant |
| Control Method | Touch |
| Connectivity Protocol | Wi-Fi |
| Color | White |
| Wattage | 275 watts |
| Item Weight | 6.5 ounces |
| Smart Home Compatibility | Smart Home Compatible |
10. Warranty
The Kasa Smart Dimmer Switch KS220 comes with an industry-leading 2-year warranty. Please refer to the official Kasa Smart website for full warranty terms and conditions.
11. Support
For further assistance, FAQs, and troubleshooting guides, please visit the official TP-Link support website:
