Lesim Smart Dimmer Switch User Manual

Introduction

Thank you for choosing the Lesim Smart Dimmer Switch. This device allows you to control your lighting with precision, offering features such as 0-100% dimming, voice control via Amazon Alexa and Google Assistant, and remote control through the Smart Life or Tuya Smart app. This manual provides essential information for safe installation, operation, and maintenance of your smart dimmer switch. Please read it thoroughly before installation and keep it for future reference.

Safety Information

• Electrical Hazard: Installation requires working with high voltage wiring. Always turn off power at the circuit breaker before installation. If you are unsure about any part of the installation, consult a qualified electrician.
• Neutral Wire Required: This smart dimmer switch requires a neutral wire for proper operation. Verify your electrical box has a neutral wire before attempting installation.
• Single Pole Only: This switch is designed for single-pole setups only and is not compatible with 3-way switch configurations.
• Dimmable Bulbs: Ensure that the bulbs connected to this switch are dimmable. It supports up to 150W for dimmable LED bulbs and 500W for incandescent bulbs. It does not support CFL bulbs.
• 2.4 GHz Wi-Fi Network: The switch requires a secured 2.4 GHz Wi-Fi network connection for smart features. It does not support 5 GHz Wi-Fi.
• Do not install with wet hands or when standing on wet or damp surfaces.
• Use only indoors.

Package Contents

Please check the package contents to ensure all items are present:

• Lesim Smart Dimmer Switch
• Wire Nuts
• Screws
• User Manual

Product Overview

Familiarize yourself with the components and indicators of your Lesim Smart Dimmer Switch.

Figure 1: Front view of the Lesim Smart Dimmer Switch with key components labeled.
Labels include: Brightness Level Indicator, ON/OFF Button, Wi-Fi Indicator, Indicator Light Adjust Button, Brightness "+" and "-", and RESET Button.

• ON/OFF Button: Press to turn the light on or off.
• Brightness "+" / "-": Adjust the light brightness level.
• Brightness Level Indicator: Displays the current dimming level.
• Wi-Fi Indicator: Shows the Wi-Fi connection status.
• Indicator Light Adjust Button: Used for adjusting the indicator light.
• RESET Button: Used for resetting the switch and initiating pairing mode.

Specifications

Detailed technical specifications for the Lesim Smart Dimmer Switch.

Figure 2: Product dimensions and a summary of specifications.

Installation Guide

1. Pre-Installation Checklist

• Confirm you have a neutral wire in your wall box.
• Ensure your Wi-Fi network is 2.4 GHz.
• Verify that the bulbs you intend to use are dimmable.
• Gather necessary tools: screwdriver, wire strippers, voltage tester.

2. Wiring Instructions

1. Turn Off Power: Locate your circuit breaker and turn off the power to the switch you are replacing. Verify power is off using a voltage tester.
2. Remove Old Switch: Carefully remove the existing switch from the wall box. Disconnect the wires.
3. Identify Wires: Identify the Line (Live), Load, Neutral, and Ground wires from your wall box.
   

   Figure 3: Wiring diagram showing connections for Load, Ground, Line, and Neutral wires.
   The diagram illustrates the required neutral wire connection and compatibility with dimmable LED (Max 150W) and Incandescent (Max 500W) bulbs, while explicitly stating incompatibility with CFL and Smart Bulbs.

4. Connect New Switch: Connect the wires from your wall box to the corresponding terminals on the Lesim Smart Dimmer Switch using the provided wire nuts.
   • Connect the Red wire from the switch to the Load wire.
   • Connect the Green wire from the switch to the Ground wire.
   • Connect the Black wire from the switch to the Line wire.
   • Connect the White wire from the switch to the Neutral wire.
5. Mount Switch: Gently push the wired switch into the wall box and secure it with screws. Attach the wall plate.
6. Restore Power: Turn the power back on at the circuit breaker. The Wi-Fi indicator on the switch should begin blinking.

3. App Setup and Pairing

To enable smart features, download the Smart Life or Tuya Smart app and pair your device.

1. Download App: Search for "Smart Life" or "Tuya Smart" in your mobile app store (iOS or Android) and download the application.
2. Register/Login: Open the app and register for a new account or log in if you already have one.
3. Add Device: Tap the "+" icon in the top right corner of the app to add a new device. Select "Switch (Wi-Fi)" from the device list.
4. Connect to Wi-Fi: Enter your 2.4 GHz Wi-Fi network name and password. Ensure your phone is connected to the same 2.4 GHz network.
5. Initiate Pairing Mode:
   • Fast Blinking Mode (EZ Mode): Hold the switch's ON/OFF button for 5 seconds until the indicator blinks rapidly. This is the default pairing mode.
   • Slow Blinking Mode (AP Mode): If EZ mode fails, press the ON/OFF button again for 7-10 seconds until the Wi-Fi indicator blinks slowly. This mode creates a local Wi-Fi hotspot for direct connection.
6. Confirm Indicator Status: In the app, confirm that the indicator light on your switch is blinking rapidly or slowly, matching your chosen pairing mode.
7. Complete Pairing: Follow the on-screen instructions in the app to complete the pairing process. Once successful, the Wi-Fi indicator on the switch will turn solid blue.

Figure 4: Visual guide for the app setup and pairing process.
Steps include holding the switch for 5 seconds, logging into the app and adding a device, selecting the 2.4GHz Wi-Fi and entering the password, and confirming the indicator blink speed.

Operating Instructions

1. Manual Control

• Turn On/Off: Press the main ON/OFF button (circular button in the middle) to toggle the light on or off.
• Adjust Brightness: Use the "Brightness +" and "Brightness -" buttons to increase or decrease the light intensity. The brightness level indicator will show the current setting.

2. Voice Control (Alexa & Google Assistant)

Once paired with the Smart Life or Tuya Smart app, you can link your account to Amazon Alexa or Google Assistant for voice commands.

Figure 5: Example of voice control using Amazon Alexa.
The image shows a smart speaker and a smart dimmer switch, illustrating how voice commands like "Alexa, set the light to 80%" can control the lighting.

• Enable Skill: In the Alexa or Google Home app, search for and enable the "Smart Life" or "Tuya Smart" skill/action.
• Link Account: Link your Smart Life/Tuya Smart account to your voice assistant.
• Discover Devices: Ask your voice assistant to discover new devices.
• Voice Commands:
  • "Alexa/Hey Google, turn on [Light Name]."
  • "Alexa/Hey Google, turn off [Light Name]."
  • "Alexa/Hey Google, set [Light Name] to 50%."
  • "Alexa/Hey Google, dim [Light Name]."
  • "Alexa/Hey Google, brighten [Light Name]."

3. App Remote Control & Smart Features

Control your lights from anywhere using the Smart Life or Tuya Smart app.

Figure 6: Overview of app control capabilities including home automation, device sharing, and group control.
The image depicts controlling lights remotely via a smartphone app, sharing device access with family, and grouping multiple smart devices for synchronized control.

• Remote On/Off & Dimming: Control your lights from anywhere with an internet connection.
• Schedules & Timers: Set custom schedules to automatically turn lights on/off or adjust brightness at specific times (e.g., turn on at 7:30 AM at 80% brightness, turn off at 9:30 PM).
  

  Figure 7: Setting up timers and schedules for automated lighting.
  This image shows examples of setting a light to turn on at 7:30 AM with 80% brightness and a countdown timer to turn off at 30% brightness.

• Scenes: Create custom scenes for different moods or activities (e.g., "Movie Night" scene dims lights to 20%).
• Device Sharing: Share control of the smart switch with family members through the app.
• Group Control: Group multiple smart switches or lights together to control them simultaneously.

Maintenance

To ensure the longevity and optimal performance of your Lesim Smart Dimmer Switch, follow these simple maintenance guidelines:

• Cleaning: Gently wipe the switch surface with a soft, dry cloth. Do not use abrasive cleaners, solvents, or excessive moisture, as these can damage the device.
• Firmware Updates: Periodically check the Smart Life or Tuya Smart app for available firmware updates. Keeping your device's firmware up-to-date ensures you have the latest features and security enhancements.
• Environmental Conditions: Avoid exposing the switch to extreme temperatures, direct sunlight, or high humidity. Ensure it is installed in a dry, indoor environment within the specified operating temperature range (-20 °C to 75 °C).

Troubleshooting

If you encounter issues with your Lesim Smart Dimmer Switch, refer to the following common problems and solutions:

Warranty and Support

Lesim products are designed for reliability and performance. For specific warranty details and support, please refer to the warranty card included with your product or visit the official Lesim website.

If you require further assistance or have questions not covered in this manual, please contact Lesim customer support through the following channels:

• Lesim Official Website: Visit Lesim Store on Amazon (for general information and product range)
• Customer Service Email: Refer to your product packaging or the Lesim website for the most current contact email.

Please have your model number (7012-1/US) and purchase date ready when contacting support.