1. Introduzione
The Meross Smart Matter Thermostat MTS215 is designed to provide intelligent temperature control for electric heating systems. It offers versatile control options including a minimalist touch panel, the Meross app, and voice commands through Matter-compatible platforms like Apple Home, Amazon Alexa, Google Assistant, and SmartThings. This thermostat helps optimize heating costs with smart scheduling, tracks energy usage, and features open window detection to prevent energy waste. This manual provides detailed instructions for installation, operation, and maintenance of your MTS215 thermostat.

Image: Meross Smart Thermostat MTS215 shown alongside a smartphone displaying the Matter app interface for home thermostat control.
2. Compatibilità del prodotto
The Meross Smart Matter Thermostat MTS215 is specifically designed for electric heating systems. It is compatible with electric underfloor heating systems.
Important: This thermostat is NOT compatible with boiler/water heating systems.

Image: Visual guide illustrating that the thermostat works with electric underfloor heating systems but not with boiler or water heating systems.
To ensure compatibility with your specific setup, please scan the QR code below:

Image: QR Code provided to check product compatibility before installation.
3. Configurazione e installazione
The Meross Smart Matter Thermostat MTS215 is designed for DIY installation, typically taking under 30 minutes. Follow the step-by-step setup wizard in the Meross app for guided installation.
3.1 Schema elettrico
Before installation, ensure the power to your heating system is turned off at the circuit breaker. Refer to the detailed wiring diagram below. The external sensor (included in the thermostat package) connected to terminals 6 and 7 is optional.

Image: Wiring diagram for the thermostat. Key connections: Neutral wire (blue), Live wire (brown), Load, and optional Sensor (terminals 6 and 7). Dimensions for installation box are also shown: Height >50.5mm, Width >50.5mm, Depth >32mm. Note: If only one Load wire is present, connect it to terminal 4.
3.2 Configurazione dell'app
- Download the Meross app from your device's app store.
- Create a Meross account or log in.
- Follow the in-app instructions to add your MTS215 thermostat. The app will guide you through connecting the thermostat to your Wi-Fi network and integrating it with Matter-compatible smart home platforms.
4. Istruzioni per l'uso
The Meross Smart Matter Thermostat MTS215 offers multiple ways to control your heating system.
4.1 Manual Control (Touch Panel)
The thermostat features a sleek glass panel for direct temperature adjustments. Simply touch the screen to increase or decrease the set temperature.

Image: A hand demonstrating the easy-to-use touch panel interface of the Meross Smart Thermostat MTS215.
4.2 Meross App Control
Control your thermostat remotely from anywhere using the Meross app. The app allows you to:
- Regolare le impostazioni della temperatura.
- Create and manage smart schedules.
- Monitor heating usage and costs.
- Accedi alle impostazioni e alle funzionalità avanzate.
4.3 Voice and Smart Home Control
Thanks to Matter technology, the thermostat seamlessly integrates with major smart home ecosystems:
- Casa Apple (Siri): "Hey Siri, set the temperature to 26°C."
- Amazon Alexa: "Alexa, set the temperature to 26°C."
- Assistente Google: "Hey Google, set the temperature to 26°C."
- Cose intelligenti: Control via the SmartThings app.

Image: The Meross Smart Thermostat MTS215 displayed with speech bubbles showing example voice commands for Siri, Alexa, and Google Assistant, along with their respective logos.

Image: The Meross Smart Thermostat MTS215 shown with Amazon Alexa and Google Home smart speakers, demonstrating voice control capabilities.
4.4 Programma intelligente
Utilize the 24/7 smart graphic schedule in the Meross app to program your heating. This ensures your home is warm when needed and saves energy when you're away or asleep.
4.5 Rilevamento finestra aperta
The thermostat features an open window detection function. If a window is opened, the thermostat will automatically pause heating to prevent energy waste. Heating resumes once the window is closed or after a set period.
4.6 Heating Usage Tracking
Track your heating system status, temperature curve, and cumulative heating duration through the Meross app. By inputting your heating tariff, the device can assist in estimating your heating expenses, helping you conserve resources and save money.

Image: The Meross Smart Thermostat MTS215 on a wall, with a smartphone showing detailed graphs of heating usage over week, month, and year, including estimated costs.
4.7 Sistema a doppio sensore
The thermostat incorporates a dual sensor system for accurate temperature management:
- Sensore integrato: Measures ambient air temperature.
- Sensore esterno: (Optional, in-wall) Provides overheating protection for the floor.

Image: A visual representation of the thermostat's dual sensor system, highlighting the integrated sensor and the optional external sensor (in-wall).
Risparmio energetico 4.8
The Meross Smart Thermostat supports multi-room temperature control, allowing you to manage heating efficiently across different areas of your home, leading to significant energy bill savings.

Image: A modern house illustrating different temperature settings in various rooms (e.g., 16°C, 18°C, 20°C, 23°C) to demonstrate multi-room temperature control for energy saving.
5. Manutenzione
To ensure optimal performance and longevity of your Meross Smart Matter Thermostat MTS215, follow these simple maintenance guidelines:
- Pulizia: Gently wipe the glass panel with a soft, dry, or slightly damp cloth. Avoid using abrasive cleaners, solvents, or chemical sprays that could damage the surface.
- Aggiornamenti del firmware: Regularly check the Meross app for available firmware updates. These updates often include performance improvements, new features, and security enhancements.
- Ciclo di alimentazione: If the thermostat becomes unresponsive, try turning off the power to the heating system at the circuit breaker for a few minutes, then restore power.
6. Risoluzione Dei Problemi
If you encounter issues with your Meross Smart Matter Thermostat MTS215, consider the following common troubleshooting steps:
- Nessun potere: Ensure the circuit breaker for your heating system is on and the thermostat is correctly wired according to the installation diagram.
- Disconnessione Wi-Fi: Check your home Wi-Fi network. Ensure the thermostat is within range of your router. If issues persist, try restarting your router and then the thermostat. Re-add the device in the Meross app if necessary.
- Letture della temperatura imprecise: Verify that the thermostat's sensors are not obstructed or exposed to direct sunlight or drafts, which can affect readings. If an external sensor is used, ensure it is properly connected.
- Problemi di controllo delle app: Ensure your smartphone has an active internet connection and the Meross app is updated to the latest version.
- Controllo vocale non funzionante: Confirm that your thermostat is correctly linked to your smart home platform (Apple Home, Alexa, Google Assistant) and that your voice assistant device is online and functioning.
For further assistance, refer to the support section in the Meross app or visit the Meross official support websito.
7. Specifiche
| Caratteristica | Specificazione |
|---|---|
| Nome del marchio | mess |
| Modello | MTS215 |
| Fonte di alimentazione | AC |
| Ingresso | 100-250 V~, 50/60 Hz |
| Produzione | 16 A max. |
| Consumo energetico | |
| Metodo di comunicazione | Wi-Fi (Matter compatible) |
| Batteria inclusa | NO |
| Adattatore per posta in arrivo | NO |
| Sostanza chimica altamente preoccupante | Nessuno |
| Origine | Cina continentale |
| Dimensioni | Dimensioni: 86 x 86 x 48 mm |
| Compatibilità del sistema di riscaldamento | Works with electric heating system (electric underfloor heating) |
| Intervallo di set point | 5~35℃ |
| Precisione | ±0.5 ℃ |
8. Garanzia e supporto
Meross products are backed by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation included with your product or visit the official Meross website. For technical support, troubleshooting assistance, or any product-related inquiries, please contact Meross customer service through their official channels, typically found on their website or within the Meross app.
9. Suggerimenti per l'utente
- Posizionamento ottimale: Installare il termostato lontano dalla luce solare diretta, da correnti d'aria o da fonti di calore (come lamps o elettrodomestici) per garantire letture accurate della temperatura.
- Leverage Smart Schedules: Approfittane appienotage of the Meross app's scheduling features to automate your heating and maximize energy savings.
- Efficienza dei comandi vocali: Familiarize yourself with the specific voice commands for your preferred smart assistant (Alexa, Google Assistant, Siri) for quick and convenient adjustments.
- Monitoraggio del consumo di energia: Regularly check the heating usage tracking in the Meross app to understand your consumption patterns and identify opportunities for further savings.





