VIMAR 03981
Vimar 03981 IoT Relay Module: User Manual
Model: 03981 | Brand: VIMAR
1. Introduction
This manual provides detailed instructions for the installation, configuration, and operation of the Vimar 03981 IoT Relay Module. This module is designed for smart control of various lighting types, including incandescent, LED, and fluorescent lamps, as well as transformers, utilizing dual Bluetooth and Zigbee technology for remote management.
Please read this manual thoroughly before installation and use to ensure safe and correct operation.

Image 1.1: The Vimar 03981 IoT Relay Module shown with a smartphone displaying the control application interface.
2. Safety Information
WARNING: Electrical installation should only be performed by qualified personnel. Disconnect power at the main circuit breaker before performing any electrical work.
- Ensure the power supply is disconnected before installation or maintenance.
- Follow all local and national electrical codes.
- Do not exceed the specified current and voltage ratings of the module.
- Keep the device away from water and high humidity environments.
- This module is designed for indoor use only.
3. Package Contents
The package should contain the following items:
- 1 x Vimar 03981 IoT Relay Module with NO Output
- 1 x Instruction Manual (this document)
4. Features
The Vimar 03981 IoT Relay Module offers advanced functionality for smart home integration:
- Dual Technology: Supports both Bluetooth and Zigbee for flexible connectivity.
- Remote Control: Manage connected devices via the View Wireless App (for Bluetooth) or Amazon App (for Zigbee).
- Wide Compatibility: Suitable for incandescent lamps, LED lighting, fluorescent lamps, and various transformers.
- Voice Assistant Integration: Compatible with Alexa, Google Home, and IFTTT when used with a compatible gateway or Zigbee hub.
- Flexible Installation: Compact design allows for installation behind switches, in junction boxes, or other suitable enclosures.
- Wired and Wireless Control: Can be controlled by traditional push-buttons (NO output) or associated with Vimar's battery-free wireless controls.

Image 4.1: Illustration of the Vimar IoT system integrating the module with a smartphone and wall switch for smart home control.
5. Specifications
| Parameter | Value |
|---|---|
| Model Number | 03981 |
| Brand | VIMAR |
| Contact Material | Silver |
| Contact Type | Normally Open (NO) |
| Rated Current | 2 Amperes |
| Mounting Type | Flush Mount |
| Connector Type | Screw Terminals |
| Operating Mode | Automatic |
| Coil Voltage | 240 Volts |
| Number of Terminals | 2 |
| Compliance | Bluetooth, CE, RoHS, Zigbee |
| Product Warranty | 3 years from purchase date |

Image 5.1: Technical drawing showing the dimensions of the Vimar 03981 IoT Relay Module.
6. Installation
6.1 Wiring Diagram
The Vimar 03981 module is designed for flush mounting, typically behind a switch or in a junction box. Ensure proper wiring according to the diagram below. The module requires a neutral wire connection.

Image 6.1: Diagram illustrating compatibility with Vimar Plana series controls and the module's integration.
6.2 Installation Steps
- Disconnect Power: Turn off the main power supply at the circuit breaker before starting any electrical work.
- Prepare Wiring: Identify the live (L), neutral (N), and load (1) wires, as well as the input for the push-button (P1, P2).
- Connect Wires:
- Connect the Live wire to the 'L' terminal on the module.
- Connect the Neutral wire to the 'N' terminal on the module.
- Connect the load (e.g., lamp) to the '1' terminal.
- Connect the push-button to the 'P1' or 'P2' terminals (refer to specific wiring diagrams for single or multiple push-button configurations).
- Secure Module: Place the module securely within the flush-mount box or junction box.
- Restore Power: Once all connections are secure and the module is properly housed, restore power at the circuit breaker.
Note: If using battery-free wireless controls, refer to their specific pairing instructions after the module is powered.
7. Configuration and Operation
7.1 App Configuration (Bluetooth & Zigbee)
The Vimar 03981 module supports configuration via two main applications:
- Vimar View Wireless App (Bluetooth): For initial setup and direct control via Bluetooth.
- Amazon App (Zigbee): For integration into a Zigbee network, typically through an Amazon Echo device or other compatible Zigbee hub.
7.1.1 Bluetooth Configuration (Vimar View Wireless App)
- Download and install the "Vimar View Wireless" app on your smartphone.
- Ensure Bluetooth is enabled on your smartphone.
- Open the app and follow the on-screen instructions to add a new device.
- The app will guide you through the pairing process with the 03981 module.
7.1.2 Zigbee Configuration (Amazon App / Zigbee Hub)
- If the module is currently configured for Bluetooth, use the Vimar View Wireless app to switch its operating mode to Zigbee.
- Ensure your Zigbee hub (e.g., Amazon Echo device with built-in hub) is powered on and connected to your network.
- Initiate device discovery on your Zigbee hub or through its associated app (e.g., Alexa app).
- The module should be discovered and can then be added to your smart home system.

Image 7.1: The Vimar View app interface, used for configuring and controlling smart devices.
7.2 Manual Operation
The module can also be controlled via a connected traditional push-button. A short press will toggle the connected load (ON/OFF).
7.3 Voice Control
Once integrated with a compatible Zigbee hub and voice assistant (Alexa, Google Home), you can control the connected load using voice commands. For example, "Alexa, turn on the living room light."

Image 7.2: A smart speaker, compatible with the Vimar IoT Relay Module for voice control.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Module not responding | No power, incorrect wiring, module not paired. | Check power supply, verify wiring connections, attempt re-pairing via app. |
| Cannot connect via Bluetooth | Bluetooth disabled on phone, module in Zigbee mode, out of range. | Enable phone Bluetooth, ensure module is in Bluetooth mode, move closer to the module. |
| Cannot connect via Zigbee | No Zigbee hub, module in Bluetooth mode, hub not in discovery mode. | Ensure a Zigbee hub is present, switch module to Zigbee mode via Vimar app, activate discovery on your hub. |
| Connected light flickers or doesn't work | Incompatible load, load exceeds module rating, faulty wiring. | Verify load compatibility and wattage, check all wiring connections. |
9. Maintenance
The Vimar 03981 IoT Relay Module requires minimal maintenance. Follow these guidelines:
- Cleaning: Ensure power is disconnected before cleaning. Use a dry, soft cloth to wipe the exterior of the module if it becomes dusty. Do not use liquid cleaners or solvents.
- Firmware Updates: Periodically check the Vimar View Wireless app for available firmware updates to ensure optimal performance and security.
- Environmental Conditions: Ensure the module is installed in a location that adheres to its specified operating temperature and humidity ranges.
10. Warranty and Support
10.1 Product Warranty
Vimar products are guaranteed for a period of three years from the date of purchase. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
10.2 Technical Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Vimar customer support through their official website or the contact information provided with your purchase. You may also find additional resources and FAQs on the Vimar website.
Official Vimar Website: www.vimar.com
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