Sonoff DUAL R3 - User Manual

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Summary

Product Introduction

Device Features Overview

Highlights the 2-gang Wi-Fi smart switch capabilities: remote control, scheduling, and family sharing.

Installation Recommendations

Suggests device weight under 1kg and installation height under 2m for optimal use.

Operating Instructions

Power Off Safety Precautions

Advises consulting professionals for wiring and avoiding live-wire operations to prevent electric shock.

Wiring Instructions

Motor Mode Wiring Diagrams

Illustrates wiring for momentary and dual relay switches in motor mode.

Light Fixture Wiring

Dual Relay Control Wiring

Connect push button or rocker switches for pulse/edge mode dual relay control.

Double Two-Way Control Wiring

Connect SPDT switches in edge mode to achieve double two-way control.

Wiring Instructions

Dry Contact Sensor Wiring

Connect dry contact sensors using external power supply for smart control.

Wiring Connection Notes

Ensures correct neutral/live wire connections and clarifies S1/S2 switch behavior.

Device Setup and Pairing

Power On and Initial Pairing

Device enters Bluetooth pairing mode on first power-on; Wi-Fi LED indicates status.

Adding Device via Bluetooth

Steps to add the device by selecting 'Bluetooth Pairing' in the eWeLink app.

Compatible Pairing Mode

Alternative pairing method using long press for specific Wi-Fi LED patterns.

Device Setup and Pairing

iOS System Pairing Procedure

Specific instructions for pairing the device on iOS systems via Wi-Fi.

Common Problems and Solutions

Wi-Fi Pairing Failures

Troubleshooting for common issues when pairing Wi-Fi devices with the eWeLink APP.

Wi-Fi Device Offline Issues

Diagnosing and resolving 'offline' status for Wi-Fi connected devices based on LED indicators.

Server Connection Errors

Resolving LED indicators that show failure to connect to the server.

Summary

Product Introduction

Device Features Overview

Highlights the 2-gang Wi-Fi smart switch capabilities: remote control, scheduling, and family sharing.

Installation Recommendations

Suggests device weight under 1kg and installation height under 2m for optimal use.

Operating Instructions

Power Off Safety Precautions

Advises consulting professionals for wiring and avoiding live-wire operations to prevent electric shock.

Wiring Instructions

Motor Mode Wiring Diagrams

Illustrates wiring for momentary and dual relay switches in motor mode.

Light Fixture Wiring

Dual Relay Control Wiring

Connect push button or rocker switches for pulse/edge mode dual relay control.

Double Two-Way Control Wiring

Connect SPDT switches in edge mode to achieve double two-way control.

Wiring Instructions

Dry Contact Sensor Wiring

Connect dry contact sensors using external power supply for smart control.

Wiring Connection Notes

Ensures correct neutral/live wire connections and clarifies S1/S2 switch behavior.

Device Setup and Pairing

Power On and Initial Pairing

Device enters Bluetooth pairing mode on first power-on; Wi-Fi LED indicates status.

Adding Device via Bluetooth

Steps to add the device by selecting 'Bluetooth Pairing' in the eWeLink app.

Compatible Pairing Mode

Alternative pairing method using long press for specific Wi-Fi LED patterns.

Device Setup and Pairing

iOS System Pairing Procedure

Specific instructions for pairing the device on iOS systems via Wi-Fi.

Common Problems and Solutions

Wi-Fi Pairing Failures

Troubleshooting for common issues when pairing Wi-Fi devices with the eWeLink APP.

Wi-Fi Device Offline Issues

Diagnosing and resolving 'offline' status for Wi-Fi connected devices based on LED indicators.

Server Connection Errors

Resolving LED indicators that show failure to connect to the server.

This document provides a comprehensive user manual for the SONOFF DIY DUAL smart switch, outlining its functions, features, and operational instructions. The device, identified as a 2-gang Wi-Fi smart switch, is designed to enhance home automation by offering remote control, scheduling capabilities, and shared control among family members. Its compact design, with a weight of less than 1 kg and a recommended installation height of less than 2 meters, makes it suitable for various indoor applications.

Function Description

The SONOFF DIY DUAL operates as a versatile smart switch, enabling users to manage two connected electrical loads independently. Its core functionality revolves around providing remote access and control over devices via Wi-Fi, integrating seamlessly with the eWeLink APP. This allows users to turn devices on or off from anywhere, set up schedules for automated operation, and share control with others, fostering a collaborative smart home environment.

Beyond basic on/off control, the device offers advanced functionalities tailored to different usage scenarios:

Switch Mode: In this mode, the device controls two output loads independently, functioning as a standard smart switch for lights, fans, or other appliances.
Motor Mode: This mode is specifically designed for four-wire tubular motors, such as those found in curtains or roller blinds. It enables smart control over the movement of these motorized devices, offering convenience and automation for window coverings or projection screens.
Meter Mode (DUALR3 only): For the DUALR3 model, this mode focuses on power metering. In this configuration, the relay remains continuously on and cannot be turned off, allowing for dedicated power consumption monitoring of connected devices. This feature is particularly useful for tracking energy usage and identifying power-hungry appliances.

The device also supports various control methods, including:

Remote Control: Manage connected devices from anywhere using the eWeLink APP.
Single/Countdown Timing: Set precise schedules or countdown timers for automated on/off operations, enhancing energy efficiency and convenience.
Share Control: Grant access to family members or other users, allowing multiple individuals to control the smart switch.
Smart Scene: Integrate the smart switch into broader smart home automation scenarios, triggering actions based on other smart devices or environmental conditions.
Sync Status: View the real-time on/off status of connected devices within the eWeLink APP.
Power Monitoring (DUALR3 only): Monitor the power consumption of connected devices, providing insights into energy usage.
Over-load Protection (DUALR3 only): Safeguard connected devices from potential damage due to excessive current, enhancing safety and device longevity.
Inching Mode: This mode allows for momentary activation of connected devices, useful for applications requiring brief power pulses.
Power-on State: Configure the device's default state (on, off, or resume last state) after a power outage.
LAN Control: Control devices locally within your home network, even without an internet connection, ensuring continued functionality.

Usage Features

The SONOFF DIY DUAL is designed for ease of installation and operation, with clear wiring instructions provided for different applications.

Wiring Instructions:

Motor Mode (Momentary Switch): Connects to S1 or S2 for smart control of connected devices. For two-way smart control, both S1 and S2 can be utilized. This setup is ideal for controlling motors with momentary switches.
Motor Mode (Dual Relay Momentary Switch/3-gang Rocker Switch): This configuration allows for more complex motor control using dual relay momentary switches or 3-gang rocker switches, providing flexible control options.
Light Fixture Wiring (Pulse Mode/Edge Mode): S1 and S2 are used to connect push-button switches in pulse mode or rocker light switches in edge mode, enabling dual relay control for lighting fixtures.
Light Fixture Wiring (Double Two-way Control with SPDT Switches): Connect SPDT switches in edge mode to achieve double two-way control for lighting, offering enhanced flexibility in multi-location lighting control.
Dry Contact Sensors: The device supports connection with dry contact sensors, allowing for integration with various external triggers or monitoring systems. It's crucial to ensure correct neutral and live wire connections. The device can function normally even without a physical light switch connected to S1/S2. However, if a physical switch is connected, the corresponding working mode must be selected in the eWeLink APP for proper operation.

Pairing and Network Configuration:

Power On: Upon initial power-up, the device automatically enters Bluetooth pairing mode, indicated by the Wi-Fi LED indicator flashing in a cycle of two short and one long flash. If not paired within 3 minutes, it exits this mode. To re-enter, a long press of the manual button for about 5 seconds is required.
Adding the Device: Users can add the device via the eWeLink APP by tapping "+" and selecting "Bluetooth pairing," then following the on-screen prompts.
Compatible Pairing Mode: If Bluetooth pairing fails, a "Compatible Pairing Mode" is available. This involves a long press of the Pairing button for 5 seconds until the Wi-Fi LED indicator flashes in a cycle of two short and one long flash, followed by another 5-second long press until the Wi-Fi LED indicator flashes quickly. For Android users, selecting "Compatible Pairing Mode" in the app and following prompts is necessary. For iOS users, this involves recording the device ID (ITEAD-) from the Wi-Fi list, entering the Wi-Fi password, connecting to the device's SSID (ITEAD-) with password "12345678," and then returning to the eWeLink app to complete the pairing.
Switch Network: To change the network, a long press of the pairing button for 5 seconds will re-enter Bluetooth pairing mode, allowing for a new network configuration.

Wi-Fi LED Indicator Status: The LED indicator provides visual feedback on the device's status:

Flashes (one long and two short): Bluetooth Pairing Mode
Keeps on: Device is connected successfully
Flashes quickly: Compatible Pairing Mode
Flashes quickly once: Unable to discover the router
Flashes quickly twice: Connect to the router but fail to connect to server
Flashes quickly three times: Upgrading

Maintenance Features

The SONOFF DIY DUAL includes features and troubleshooting guidelines to ensure its reliable operation and ease of maintenance.

Factory Reset: Deleting the device from the eWeLink app effectively restores it to factory settings, allowing for a fresh start or transfer of ownership.

Common Problems and Troubleshooting:

Fail to pair Wi-Fi devices with eWeLink APP:
- Ensure the device is in pairing mode.
- Enable location services on your mobile phone and grant necessary permissions.
- Verify your Wi-Fi network operates on the 2.4GHz band.
- Confirm the Wi-Fi SSID and password are correct and contain no special characters.
- Position the device closer to the router for better signal transmission.
- Attempt pairing in compatible mode if standard pairing fails.
Wi-Fi devices "Offline" issues:
- LED indicator blinks once every 2s (failure to connect to router):
  - Check for incorrect Wi-Fi SSID or password.
  - Ensure Wi-Fi SSID and password do not contain special characters (e.g., Hebrew, Arabic).
  - Consider if your router has a low carrying capacity.
  - Evaluate Wi-Fi signal strength; move the device closer to the router or remove obstacles.
  - Verify the device's MAC address is not blacklisted in your MAC management settings.
- LED indicator flashes twice repeatedly (failure to connect to server):
  - Confirm your internet connection is stable and functional.
  - Assess if your router has a low carrying capacity or if the number of connected devices exceeds its maximum. Consider deleting some devices or upgrading your router.
  - Contact your ISP to confirm that the server addresses (cn-disp.coolkit.cc, as-disp.coolkit.cc, eu-disp.coolkit.cc, us-disp.coolkit.cc) are not blocked.

If these troubleshooting steps do not resolve the issue, users are advised to submit their problem via the help and feedback section within the eWeLink App for further assistance.

The SONOFF DIY DUAL is designed to be a robust and user-friendly smart switch, offering a range of features for modern smart homes while providing clear guidance for installation, operation, and troubleshooting.

Sonoff DUAL R3 Specifications

General

Certification	TUV, FCC
Product color	White
Easy to install	Yes
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Housing material	Polycarbonate (PC)
Channels quantity	2 channels
Operating frequency	2.4 - 2.4835 MHz
Placement supported	Indoor
Wireless technology	Wi-Fi
Networking standards	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Connectivity technology	Wired & Wireless
Maximum power per channel	2200 W
Sustainability certificates	CE, RoHS
Package type	Box
Quantity per pack	1 pc(s)
Power source	AC
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Operating temperature (T-T)	-10 - 40 °C
Operating relative humidity (H-H)	5 - 95 %