1. Introduzione
The Refoss Smart Wi-Fi Thermostat MTS200 is designed to provide intelligent control over your home's heating system, offering comfort and energy efficiency. Compatible with most water-borne boiler and underfloor heating systems, this thermostat integrates seamlessly with smart home ecosystems like Apple HomeKit, Amazon Alexa, and Google Assistant, allowing for convenient remote and voice control.

The Refoss Smart Wi-Fi Thermostat MTS200, shown alongside a smartphone displaying its intuitive control application.
2. Cunfigurazione è installazione
2.1 Cumpatibilità
The MTS200 thermostat is designed for use with water-borne boiler and underfloor heating systems. It supports gas, water, and electricity boiler systems.

The thermostat is compatible with both boiler and water underfloor heating systems.
2.2 Installazione fisica
The device requires embedded wall installation. Ensure AC Live (L) and Neutral (N) wires are available for connection. The thermostat does not support battery power.

Detailed view of the thermostat's dimensions and wiring requirements for embedded wall mounting.
2.3 Cunnessione di Rete
The thermostat supports 2.4 GHz Wi-Fi networks only. No separate hub is required when using the Refoss app for control.
- Download the free Refoss app from your device's app store.
- Follow the in-app instructions to add your thermostat to your Wi-Fi network.
3. Operating Instructions
3.1 Cuntrollu remotu via l'app
Control your heating remotely from anywhere using the Refoss app on your smartphone or tablet. Adjust temperature, set schedules, and monitor heating status.

The Refoss app allows for convenient remote control of your thermostat.
3.2 Voice Control
The thermostat is compatible with Apple HomeKit, Amazon Alexa, and Google Assistant, enabling hands-free temperature adjustments using voice commands.

Control your thermostat using voice commands through compatible smart assistants.
3.3 Programmable Schedules
Customize your heating with intelligent 7-day, 24-hour temperature programming. Set up to eight activities per day to optimize comfort and energy savings.

Create custom heating schedules for each day of the week.
3.4 Dual Sensor System
Equipped with dual temperature sensors for precise measurement. An integrated sensor measures ambient air temperature, while an external sensor (requires external sensor line installation) detects required floor temperature.

The thermostat utilizes both internal and external sensors for accurate temperature readings.
3.5 Rilevazione di a finestra aperta
The thermostat features an open window detection function. If a rapid temperature drop is detected (indicating an open window), you will receive an app notification, and the thermostat will pause heating for 30 minutes to prevent energy waste.

Receive alerts and save energy with the open window detection feature.
3.6 Heating Status Tracking
Monitor your heating system's status, track temperature trends, and measure total heating duration. The app can also calculate associated heating expenses.

Track your heating usage and associated costs through the Refoss app.
3.7 HomeKit Remote Control with Home Hub
For remote control via Apple HomeKit, set up your HomePod, HomePod Mini, or Apple TV as a Home Hub. This allows you to control HomeKit accessories remotely via the Apple Home app. A Home Hub is NOT needed for the Refoss app to control devices remotely.

Utilize Apple HomeKit for remote control with a Home Hub. For more information, visit Support Apple.
3.8 Other Useful Functions
- Modu d'estate: Can be used for cooling in summer, requiring a compatible cooling system (e.g., air-to-air heat pump).
- Sicurezza di u zitellu: Lock the thermostat to prevent unauthorized changes.
- Calibrazione di a temperatura: Adjust temperature readings for accuracy.
- Prutezzione di Frost: Impedisce à i tubi di congelassi mantenendu una temperatura minima.
- Luminosità di u schermu regulabile: Customize display brightness for comfort.
- Multiroom Control: Supports 7/24 hour scheduling for different rooms.
4. Mantenimentu
To ensure optimal performance and longevity of your Refoss Smart Wi-Fi Thermostat, follow these general maintenance guidelines:
- Pulizia: Gently wipe the thermostat's screen and body with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Actualizazioni di u software: Regularly check the Refoss app for available firmware updates to ensure your thermostat has the latest features and security enhancements.
- Cundizioni Ambientali: Ensure the thermostat is not exposed to extreme temperatures, direct sunlight, or excessive humidity, which can affect its performance.
5. Risoluzione di prublemi
If you encounter issues with your Refoss Smart Wi-Fi Thermostat, consider the following common troubleshooting steps:
- Problemi di cunnessione: Ensure your Wi-Fi router is powered on and the thermostat is within range. Verify that your Wi-Fi network is 2.4 GHz. If you have a mesh network or a router broadcasting both 2.4 GHz and 5 GHz with the same SSID, temporarily disable the 5 GHz band during the initial setup process to ensure the thermostat connects to the 2.4 GHz network.
- L'app ùn risponde micca: Close and reopen the Refoss app. If the issue persists, restart your smartphone and/or the thermostat (by temporarily cutting power at the circuit breaker if necessary).
- Letture di temperatura imprecise: Ensure the thermostat's sensors are not obstructed and are not exposed to direct drafts or heat sources. If using an external sensor, ensure it is properly installed and connected. Consider using the temperature calibration feature in the app.
- Thermostat Not Heating/Cooling: Check the thermostat's mode (heating/cooling) and set temperature. Verify that your boiler or heating system is functioning correctly.
- Reset di Factory: As a last resort, you may perform a factory reset. Refer to the in-app instructions or the included HomeKit manual for specific steps, as this will erase all settings and require re-setup.
For further assistance, please contact Refoss customer support.
6. Specificazioni
| Attributu | Detail |
|---|---|
| Marca | Refoss |
| Numero di mudellu | MTS 200 |
| Culore | Biancu |
| Dimensioni di u produttu (L x W x H) | 8.6 x 4.35 x 8.6 cm |
| Pesu | 212 grammi |
| putenza | 750 Watt |
| Voltage | 240 Volts |
| Materiale | Polycarbonate (PC), Acrylonitrile Butadiene Styrene (ABS), Glass |
| Features | Temperature display, Window sensor, Programmable |
| Tipu di cuntrollu | Apple HomeKit |
| Usi specifichi | Riscaldamentu di caldaia |
| Tipu di cuntrollu di temperatura | Riscaldamentu |
| Tecnulugia di cunnessione | WLAN (2.4 GHz) |
| Cumpunenti inclusi | Smart thermostat, HomeKit manual, User manual, Sensor, Screws |
7. Garanzia è Supportu
Refoss provides a two-year product warranty for the MTS200 Smart Wi-Fi Thermostat, ensuring peace of mind regarding manufacturing defects and performance issues.
Additionally, Refoss offers supportu tecnicu a vita. If you have any questions, require assistance with installation, setup, operation, or troubleshooting, please do not hesitate to contact Refoss customer service. They aim to respond to inquiries within 24 hours.
For contact information, please refer to the Refoss official websitu o i dettagli di cuntattu furniti in l'imballu di u vostru pruduttu.





