Introduction
The SONOFF DUALR3 Lite is a versatile Wi-Fi Smart Switch module designed to enhance your home automation. It offers dual relay control, allowing you to manage two devices independently. This module supports both switch mode for traditional lighting control and motor mode for smart control of motorized facilities like curtains, blinds, and roller shutters. With its compact design, the DUALR3 Lite integrates seamlessly into your existing electrical system, providing remote control, scheduling, and voice control capabilities through compatible smart assistants.
Safety Information
WARNING: Electrical shock hazard. Installation must be performed by a qualified electrician in accordance with all local electrical codes.
- Ensure power is OFF at the circuit breaker before installation or maintenance.
- Do not expose the device to moisture or extreme temperatures.
- Use only within specified voltage and current ratings.
- Keep out of reach of children.
- This device is for indoor use only.
Product Overview
The SONOFF DUALR3 Lite is a compact module designed for smart control. It features terminals for input power, output loads, and external switch connections.
Figure 1: SONOFF DUALR3 Lite Smart Switch module and its retail packaging.
Key Features:
- Dual Relay Control: Independently control two connected devices.
- Motor Mode: Specifically designed for controlling AC motors in electric curtains, roller blinds, and shutters.
- Switch Mode: Functions as a traditional two-way smart switch for lighting or other appliances.
- Remote Control: Manage devices from anywhere via the eWeLink app.
- Voice Control: Compatible with Amazon Alexa and Google Assistant for hands-free operation.
- Scheduling & Smart Scenes: Automate your devices with custom schedules and integrate them into smart home scenes.
- TÜV Certified: Ensures product safety and reliability.
Figure 2: Overview of key features including automated roller shutter control, TUV certification, and double two-way control.
Figure 3: Examples of motorized facilities that can be automated with DUALR3 Lite, such as roller blinds, shutters, and curtains.
Specifications
| Specification | Detail |
|---|---|
| Model | DUALR3 Lite |
| Input Voltage | 100-240V AC, 50/60Hz |
| Max. Load (Resistive) | 2400W/10A per gang, 3600W/15A total |
| Max. Load (Motor) | 1A |
| Wi-Fi Standard | IEEE 802.11 b/g/n 2.4GHz |
| Dimensions (L x W x H) | 3 x 5 x 6 inches (Product) |
| Weight | 2.46 ounces |
| Color | White |
| Operating Temperature | Up to 100°F |
| Included Components | 1* DUALR3 Lite module |
| Warranty | 1 year |
Note: The DUALR3 Lite model does not support power metering, overload protection, roller motor stroke calibration, or progress bar control with percentage display, unlike the full DUALR3 model.
Figure 4: Comparison of features between DUALR3 and DUALR3 Lite, highlighting features not available in the Lite version.
Installation
The DUALR3 Lite module is designed to be installed behind existing switches or within junction boxes. Always ensure power is disconnected before beginning installation.
Wiring Diagram (Example for Two-Way Control):
The DUALR3 Lite supports various wiring configurations, including two-way control for lights or motor control for curtains/blinds. Refer to the specific wiring diagram for your intended application.
Figure 5: Example wiring for double two-way control of lights using the DUALR3 Lite module.
- Power Off: Turn off the main power supply at the circuit breaker to avoid electrical shock.
- Connect Wiring: Connect the Live (L), Neutral (N), and Load (L1 Out, L2 Out) wires to the corresponding terminals on the DUALR3 Lite module. Connect external switches to S1 and S2 terminals if desired.
- Secure Module: Place the DUALR3 Lite module securely within the switch box or junction box.
- Restore Power: Turn the main power supply back on.
Setup
To set up your DUALR3 Lite, you will need the eWeLink app.
- Download eWeLink App: Download the eWeLink app from the App Store (iOS) or Google Play Store (Android). You can also scan the QR code on the product packaging or visit http://app.coolkit.cc/dl.html.
- Register/Login: Open the app and register a new account or log in with an existing one.
- Pairing Mode: Power on the DUALR3 Lite. The device will automatically enter pairing mode (indicated by a blinking LED). If not, press and hold the pairing button for 5 seconds until the LED blinks rapidly.
- Add Device: In the eWeLink app, tap the "+" icon to add a new device. Follow the on-screen instructions to connect the DUALR3 Lite to your Wi-Fi network.
- Name Device: Once connected, name your device and assign it to a room for easy management.
Operating Modes
The DUALR3 Lite supports two primary operating modes: Switch Mode and Motor Mode.
1. Switch Mode:
In Switch Mode, the DUALR3 Lite functions as a standard smart switch, allowing you to control two independent electrical loads (e.g., lights, fans). You can use existing momentary, rocker, or ON/OFF switches in conjunction with the module.
Figure 6: Various switch types compatible with DUALR3 Lite for controlling lights and other appliances.
2. Motor Mode:
Motor Mode is specifically designed for controlling tubular motors found in electric curtains, roller blinds, and shutters. This mode allows for precise control of opening and closing positions.
Figure 7: DUALR3 Lite can operate as a smart control module for 100-240V AC motors, such as those in motorized curtains and roller shutters.
To switch between modes, navigate to the device settings in the eWeLink app and select "Working Mode".
Advanced Features
Scheduling:
Set up schedules to automatically open or close your curtains, turn lights on/off, or control other devices at specific times. This feature allows for enhanced convenience and energy saving.
Figure 8: Example of scheduling curtain opening and closing times for a comfortable living environment.
Voice Control:
Integrate your DUALR3 Lite with Amazon Alexa or Google Assistant for hands-free control. Simply use voice commands to operate your connected devices.
Figure 9: Voice control example, demonstrating how to command the DUALR3 Lite to close curtains.
Remote Control:
Control your devices from anywhere using the eWeLink app on your smartphone. This allows you to manage your home even when you're away.
Figure 10: Remote control of devices, such as closing a window remotely via the eWeLink app.
Troubleshooting
- Device Offline: Ensure your Wi-Fi network is stable and the DUALR3 Lite is within range. Restart the module and your router if necessary.
- Failed Pairing: Check your Wi-Fi password and ensure you are connecting to a 2.4GHz network. Try resetting the device to factory settings and re-pairing.
- No Response from Connected Device: Verify all wiring connections are secure and correct. Check the load's power supply.
- Motor Not Calibrating (Motor Mode): Ensure the motor is properly connected and the DUALR3 Lite is in Motor Mode. Follow the calibration steps in the eWeLink app.
Maintenance
The SONOFF DUALR3 Lite requires minimal maintenance. Follow these guidelines to ensure optimal performance:
- Keep the device clean and free from dust. Use a dry, soft cloth for cleaning.
- Do not use harsh chemicals or abrasive cleaners.
- Ensure proper ventilation around the module if installed in an enclosed space.
- Regularly check for firmware updates through the eWeLink app to ensure the latest features and security patches.
Warranty and Support
The SONOFF DUALR3 Lite comes with a 1-year warranty from the date of purchase.
For technical support, warranty claims, or any inquiries, please contact SONOFF customer support:
- Email: support@itead.cc
- Website: Visit the official SONOFF website for additional resources and FAQs.
