1. Sarrera
This instruction manual provides comprehensive guidance for the DieseRC Smart WiFi Relay Module 1CHx4-TEW. This device allows you to remotely control various electrical appliances and systems via Wi-Fi, Bluetooth, and voice commands. Please read this manual carefully before installation and operation to ensure proper use and safety.
2. Produktua amaitu daview
The DieseRC Smart WiFi Relay Module is a versatile control unit designed for integration into various smart home and automation projects. It features stable and reliable performance with high reception sensitivity for 2.4 GHz Wi-Fi networks. The module supports multiple control methods, including a dedicated mobile application, voice assistants, and a Bluetooth remote control.
Ezaugarri nagusiak:
- Haririk gabeko konektagarritasuna: Supports 2.4 GHz Wi-Fi for remote control via the eWelink app.
- Ahots kontrola: Eskurik gabeko funtzionamendurako Amazon Alexa eta Google Home-rekin bateragarria.
- Bluetooth urruneko: Includes a Bluetooth RM2.4G remote control for local operation.
- Flexible Power Input: Operates on DC 5V or DC 7V-48V.
- Passive Output: Features a 10A relay with normally open (NO), common (COM), and normally closed (NC) pins for dry contact output.
- Diseinu trinkoa: Small form factor (55x29x17 mm) for easy integration into electrical boxes.
- Hainbat funtzionamendu modu: Configurable for Inching (momentary) or Self-Locking (toggle) modes.
- Scheduling and Timer Functions: Available through the eWelink application.

Image 2.1: The DieseRC Smart WiFi Relay Module (four units shown) alongside its Bluetooth remote control. The remote features four numbered buttons, an 'ALL ON' button, and an 'ALL OFF' button.

Image 2.2: This image illustrates the various control methods for the relay module: APP control via eWelink, voice control with Alexa or Google Assistant, and remote control via 2.4GHz Bluetooth. A detailed view of the module's dimensions (52mm x 30mm x 20mm) is also provided.
3. Zehaztapenak
| Zehaztapena | Balioa |
|---|---|
| Modelo zenbakia | EW748 |
| Neurriak (L x W x H) | 55 x 29 x 17 mm (2.2 x 1.1 x 0.7 hazbete) |
| Sarrera boltage | DC 5V (via USB) or DC 7V-48V |
| Errele-kontaktuen balorazioa | 10A (AC 250V, DC 30V) |
| Energia-kontsumoa | 480 watt (gehienez) |
| Haririk gabeko estandarra | Wi-Fi 2.4 GHz |
| Kontrol-metodoak | eWelink APP, Bluetooth Remote, Voice Control (Alexa/Google Home) |
| Funtzionamendu moduak | Inching (Momentary), Self-Locking (Toggle) |
| Materiala | Plastikoa |
| Ziurtagiria | CE |
4. Konfigurazioa eta instalazioa
4.1 Wiring the Relay Module
The relay module offers flexible power input options and passive output contacts. Ensure all power is disconnected before performing any wiring.
- Potentzia sarrera: The module can be powered via a Micro USB 5V/0.5A input or directly with DC 7V-48V. Connect the positive (+) and negative (-) terminals accordingly for DC 7V-48V input.
- Errele irteera: The module provides dry contact output through three terminals: EZ (Normally Open), COM (Common), and NC (Normally Closed). Connect your device's control circuit to these terminals based on your application's requirements.

Image 4.1: This diagram shows the main components and connection points of the relay module. It highlights the Relay Indicator Light, Open Key/Pairing Button, WiFi Network Indicator Light, Input USB 5V/0.5A, and the NO, COM, NC terminals for relay output. Below, an example illustrates connecting the module to a DC 7V-48V power source.

Image 4.2: This image provides wiring examples. The top left shows wiring for a DC device with DC 7V-48V power. The top right shows wiring for a device with 1V-250V AC/DC power. The bottom image illustrates how to make any device an internet device by connecting the module to its control circuit and powering it via USB 5V/0.5A.
4.2 eWelink App Installation
To control the module via Wi-Fi, download and install the eWelink app on your smartphone (Android or iOS).
- Eskaneatu beheko QR kodea edo bisitatu http://app.coolkit.cc/dl.html to download the eWelink app.
- Erregistratu kontu bat eta hasi saioa.

Image 4.3: QR code for downloading the eWelink application.
4.3 Pairing the Module with eWelink
Follow these steps to connect your relay module to the eWelink app:
- Power on the relay module.
- Open the eWelink app and tap the '+' icon to add a device.
- Select the appropriate pairing mode (e.g., Quick Pairing Mode).
- Press and hold the 'Open the key / Pairing button' on the module until the Wi-Fi network indicator light blinks rapidly.
- Follow the on-screen instructions in the eWelink app to complete the pairing process, including entering your Wi-Fi network credentials.
5. Funtzionamendu moduak
The DieseRC Smart WiFi Relay Module supports two primary operating modes: Inching (Momentary) and Self-Locking (Toggle). These modes can be configured within the eWelink app.
5.1 Inching Mode (Momentary)
In Inching mode, the relay will activate for a set duration (e.g., 0.5 to 3600 seconds) after being triggered, and then automatically deactivate. This is suitable for applications like garage door openers or pulse-triggered devices.
5.2 Self-Locking Mode (Toggle)
In Self-Locking mode, the relay acts like a standard on/off switch. One trigger activates the relay, and it remains active until another trigger deactivates it. This is suitable for controlling lights or other devices that require a continuous on/off state.

Image 5.1: This image illustrates the two operation modes: Inching mode, represented by a momentary push button, and Self-Locking mode, represented by a toggle switch.
5.3 Bluetooth urrutiko kontrola
The included Bluetooth remote control allows for local operation of the relay module. Each button on the remote can be paired to control specific channels or functions (e.g., ALL ON/ALL OFF).
5.4 APP Control (eWelink)
Once paired, you can control the relay module from anywhere using the eWelink app. The app allows you to:
- Piztu/itzali gailuak.
- Ezarri ordutegiak eta tenporizadoreak.
- Share control with family members.
- Configure operating modes (Inching/Self-Locking).

Image 5.2: This image shows a smartphone displaying the eWelink app interface, controlling a device remotely. The text indicates 'No distance limit', emphasizing the global control capability.
5.5 Ahots-kontrola (Alexa/Google Home)
Integrate the relay module with Amazon Alexa or Google Home for convenient voice control. After linking your eWelink account to your voice assistant, you can use commands such as:
- "Alexa, piztu argia."
- "Hey Google, itzali haizagailua."

Image 5.3: This image demonstrates voice control functionality, showing Amazon Alexa and Google Home devices. A speech bubble indicates a command: "Alexa, open the light!"
6. Aplikazioak
The DieseRC Smart WiFi Relay Module can be used in a variety of settings, including homes, farms, factories, offices, and laboratories. Common applications include:
- Garage door opener systems.
- Electric locks and electromagnetic doors.
- Argiztapenaren kontrola.
- Controlling contactors.
- DIY remote control switches for various devices.

Image 6.1: This image displays various devices that can be controlled by the relay module, including an exit button, a power button, a fan, a coffee maker, and other switches, illustrating its versatility in making any device an internet-connected device.
7. Mantentzea
To ensure the longevity and optimal performance of your DieseRC Smart WiFi Relay Module, follow these maintenance guidelines:
- Mantendu garbi: Regularly clean the module and its surroundings to prevent dust accumulation, which can affect performance.
- Aireztapen egokia: Ensure the module is installed in a location with adequate ventilation to prevent overheating.
- Saihestu hezetasuna: Protect the module from water and excessive humidity.
- Konexio seguruak: Aldian-aldian egiaztatu kableatu-konexio guztiak ondo finkatuta daudela eta korrosiorik gabe daudela ziurtatzeko.
- Firmware eguneraketak: Check the eWelink app for any available firmware updates for the module and install them to benefit from improvements and bug fixes.
8. Arazoak
If you encounter issues with your DieseRC Smart WiFi Relay Module, refer to the following troubleshooting tips:
- Modulua ez pizten:
- Verify that the power supply (DC 5V USB or DC 7V-48V) is correctly connected and providing the specified voltage.
- Check for any loose wiring or damaged cables.
- Ezin da Wi-Fira konektatu:
- Ensure your Wi-Fi network is 2.4 GHz. The module does not support 5 GHz networks.
- Egiaztatu zure Wi-Fi pasahitza zehatza dela.
- Make sure the module is within range of your Wi-Fi router.
- Try resetting the module and re-attempting the pairing process.
- Aplikazioen kontrolak ez du erantzuten:
- Egiaztatu zure Interneteko konexioa zure telefonoan.
- Ensure the module's Wi-Fi indicator light is solid, indicating a stable connection.
- Restart the eWelink app.
- Ahots-kontrola ez dabil:
- Confirm that your eWelink account is correctly linked to Amazon Alexa or Google Home.
- Check the device name in the eWelink app and ensure it matches the name used in voice commands.
- Verify that your voice assistant device is connected to the internet.
- Bluetooth Remote Not Working:
- Ensure the remote's battery is functional.
- Confirm the remote is paired with the module according to the pairing instructions (if applicable, usually automatic for included remotes).
- Ensure the remote is within effective range of the module.
9. Bermea eta Laguntza
DieseRC is committed to providing quality products and customer satisfaction. For any technical support or warranty inquiries, please contact DieseRC customer service through the platform where you purchased the product or refer to the official DieseRC webharremanetarako informazioa lortzeko gunea.
Please retain your proof of purchase for warranty claims. Specific warranty terms and conditions may vary by region and retailer.





