1. Introduction
The SONOFF DUALR3 is a dual relay WiFi smart switch designed to transform your traditional switches into smart devices. It offers versatile control for various motorized appliances such as roller shutters, window shades, and curtains, as well as traditional lighting. With integrated power metering, the DUALR3 provides enhanced control and energy management capabilities.
2. Product Overview
The DUALR3 functions as a smart control module, enabling remote control and automation of connected devices. It supports three working modes: Switch Mode, Motor Mode, and Meter Mode, catering to different application needs. Its compact design allows for installation behind existing switches or within electrical boxes.
Figure 2.1: The SONOFF DUALR3 is a dual relay smart switch designed for various applications.
3. Key Features
- TÜV Certified Safety: The device is TÜV certified, ensuring reliable and safe operation with overload protection.
- Motorized Appliance Automation: Automate control of roller shutters, window shades, and similar motorized devices.
- Dual Two-Way Control: Independently control two devices or circuits with two-way switching functionality.
- Compatibility with Existing Switches: Works with various external switches, allowing direct control via original wall switches.
- Energy Monitoring (Meter Mode): Remotely monitor the energy consumption of connected appliances.
- Voice Control Integration: Compatible with Amazon Alexa and Google Home for convenient voice commands.
- Scheduling and Timer Functions: Set schedules for automated operation of connected devices.
Figure 3.1: The DUALR3 allows users to set schedules for automated opening and closing of curtains or blinds, enhancing comfort and convenience.
Figure 3.2: Integrate the DUALR3 with voice assistants like Amazon Alexa and Google Home for convenient voice control.
4. Safety Information
The SONOFF DUALR3 is TÜV Rheinland certified, indicating adherence to high safety standards. Key safety features include:
- Electric Shock Protection: Tested to IEC 61032 standards, ensuring no deformation or exposed live parts during operation.
- Overload Protection: Automatically cuts power in case of abnormal operation or overload to prevent damage and ensure safety.
- Insulating Material: Constructed with insulating materials that resist heat and abnormal fire, passing the IEC 60695-2-1 glow-wire test.
- Resistance to Heat, Humidity, and Aging: Rigorously tested in harsh environments to guarantee reliability and durability over time.
Figure 4.1: The DUALR3 is TÜV certified, ensuring protection against electric shock, overload, and resistance to heat, humidity, and aging.
5. Installation & Wiring
Important: Installation should be performed by a qualified electrician. Ensure power is disconnected before installation to prevent electric shock.
5.1 Wiring Diagrams
The DUALR3 supports various wiring configurations depending on the desired application:
Figure 5.1: This diagram illustrates the various wiring configurations for the DUALR3 in Motor Mode, Switch Mode, and Meter Mode.
Motor Mode
Used for controlling motorized devices like roller shutters. Connect the motor's up/down wires to L Out 1 and L Out 2. Connect the power supply (N, L In) and optional momentary switches to S1/S2.
Switch Mode
Used for controlling two independent lights or appliances. Connect the loads to L Out 1 and L Out 2. Connect the power supply (N, L In) and SPDT switches to S1/S2.
Meter Mode
Used for monitoring power consumption of two independent loads. Connect the loads to L Out 1 and L Out 2. Connect the power supply (N, L In).
5.2 Compatible Switch Types
The DUALR3 is compatible with various existing switch types, allowing you to retain your original wall switches while adding smart control.
Figure 5.2: The DUALR3 is compatible with a range of existing switch types for both lights/appliances and roller shutters/window shades.
6. Operating Instructions
6.1 Pairing with the eWeLink App
- Download the eWeLink app from the App Store or Google Play.
- Register an account and log in.
- Power on the DUALR3.
- Press and hold the pairing button on the DUALR3 for 5 seconds until the Wi-Fi indicator flashes rapidly.
- In the eWeLink app, tap the '+' icon to add a device and follow the on-screen instructions to complete the pairing process.
6.2 Remote Control
Once paired, you can control your connected devices remotely via the eWeLink app from anywhere with an internet connection.
Figure 6.1: Remotely control your motorized appliances, such as window shutters, using the mobile application.
6.3 Voice Control
Integrate the DUALR3 with Amazon Alexa or Google Home for hands-free control. Follow the instructions within the eWeLink app to link your account with your preferred voice assistant.
6.4 Scheduling and Timers
Use the eWeLink app to set up schedules, countdown timers, or loop timers for automated control of your devices. This is particularly useful for managing curtains or blinds to open/close at specific times.
6.5 Power Metering
In Meter Mode, the DUALR3 monitors the power consumption of connected devices. View real-time data and historical usage reports in the eWeLink app to help manage energy efficiency.
Figure 6.2: The DUALR3 provides power metering functionality, allowing users to monitor energy consumption and manage costs.
7. Maintenance
- Keep the device clean and dry.
- Avoid exposing the device to extreme temperatures or humidity.
- Do not attempt to disassemble or repair the device yourself. Contact customer support if issues arise.
8. Troubleshooting
- Device Offline: Check your Wi-Fi connection and ensure the DUALR3 is within range. Restart the device and your router if necessary.
- Failed Pairing: Ensure the Wi-Fi indicator is flashing rapidly. If not, reset the device by pressing the pairing button for 5 seconds. Ensure your Wi-Fi network is 2.4GHz.
- Inaccurate Power Metering: Verify that the wiring is correct according to the Meter Mode diagram.
- Motor Not Responding: Check the motor wiring in Motor Mode. Ensure the motor is functioning correctly independently of the DUALR3.
- Voice Control Issues: Confirm that the eWeLink app is correctly linked to your voice assistant account and that device names are recognized.
9. Specifications
Figure 9.1: An annotated diagram of the DUALR3 showing its dimensions, buttons, indicators, and key technical specifications.
| Specification | Value |
|---|---|
| Model Number | DUALR3 |
| Product Dimensions | 1.34 x 2.52 x 4.06 inches; 3.53 ounces |
| Manufacturer | SONOFF |
| Operation Mode | ON-OFF |
| Current Rating | 10 Amps |
| Operating Voltage | 100-240 Volts AC |
| Contact Type | Normally Closed |
| Connector Type | Wireless (Wi-Fi) |
| Terminal | Screw |
| Circuit Type | 2-way |
| Actuator Type | Relay |
| Wi-Fi Standard | IEEE 802.11 b/g/n 2.4GHz |
| Resistive Load | 2200W/10A (per gang), 3300W/15A (total) |
| Motor Load | 10-240W/1A |
| Working Temperature | -10°C to 40°C |
10. Warranty & Support
For warranty information and technical support, please refer to the official SONOFF website or contact their customer service directly. Keep your purchase receipt for warranty claims.
