1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your MINCO M4A Tuya WiFi Smart Thermostat. This device is designed to control gas boiler heating systems, offering precise temperature management and smart home integration via Tuya WiFi connectivity. Please read this manual thoroughly before installation and use to ensure safe and efficient operation.
2. Consignes de sécurité
- Sécurité électrique : Installation must be performed by a qualified electrician in accordance with local electrical codes. Always disconnect power before installation or maintenance.
- Voltage: Assurez-vous que le volume du thermostattage rating matches your power supply (AC100-240V).
- Environnement: N’installez pas le thermostat dans des zones à forte humidité, exposées à la lumière directe du soleil ou soumises à des températures extrêmes.
- Enfants: Gardez l’appareil hors de portée des enfants.
- Utilisation prévue : This thermostat is designed for controlling gas boiler heating systems only. Do not use it for other applications.
3. Produit terminéview
The MINCO M4A Smart Thermostat provides intelligent control over your heating system. It features a clear display, touch controls, and WiFi connectivity for remote management via the Tuya Smart app.
3.1 Principales caractéristiques
- Contrôle intelligent: Remote control via mobile app (Tuya Smart).
- Voice Linkage: Compatible avec les assistants vocaux pour une utilisation mains libres.
- Programmable: Time-sharing programming for energy saving.
- Energy Consumption Statistics: Monitor and manage energy usage.
- Installation facile : Single fire wire power supply, no complex wiring for certain setups.
3.2 Thermostat Components

Image showing both white and black versions of the MINCO M4A thermostat alongside a smartphone displaying the Tuya Smart app interface. This illustrates the device's appearance and its remote control capability.

Incliné view of the black MINCO M4A Smart Thermostat, highlighting its sleek design and digital display showing current temperature (26.6°C) and set temperature (16.5°C).

Incliné view of the white MINCO M4A Smart Thermostat, showcasing its clean aesthetic and digital display with temperature readings.
The thermostat features a large LCD display for clear temperature readings and settings, along with intuitive touch buttons for control. The WiFi icon indicates connectivity status, and various mode icons show the current operating state.
4. Installation
4.1 Installation électrique
AVERTISSEMENT: Avant toute installation, coupez l'alimentation électrique du système de chauffage au niveau du disjoncteur principal. Le non-respect de cette consigne peut entraîner un choc électrique ou endommager l'équipement.
- Montage: Choose a suitable location on an interior wall, away from drafts, direct sunlight, and heat sources. The recommended installation height is approximately 1.5 meters (5 feet) from the floor.
- Câblage : Refer to the wiring diagrams below for proper connection. Ensure all connections are secure. This model is designed for gas boiler systems.
- Fixez le thermostat : Mount the thermostat base to the wall using screws. Connect the display unit to the base.
- Restaurer l'alimentation : Once installation is complete and all connections are verified, restore power to the heating system.

Detailed diagram showing the dimensions (86mm x 86mm front, 14mm depth, 27mm back box depth) and wiring terminals for the black MINCO M4A thermostat. The wiring diagram indicates connections for AC100-240V power (L, N) and boiler control (NO, NC, L7, L8).

Detailed diagram showing the dimensions (86mm x 86mm front, 14mm depth, 27mm back box depth) and wiring terminals for the white MINCO M4A thermostat. The wiring diagram indicates connections for AC100-240V power (L, N) and boiler control (NO, NC, L7, L8).
Wiring Terminal Legend:
- L: Live Wire (AC100-240V)
- N: Neutral Wire (AC100-240V)
- NON: Normally Open (Boiler Control)
- CAROLINE DU NORD: Normally Closed (Boiler Control)
- L7, L8 : Auxiliary connections (refer to specific boiler manual if applicable)
4.2 Appairage de l'application (Tuya Smart)
- Téléchargez l'application: Téléchargez l'application « Tuya Smart » ou « Smart Life » depuis la boutique d'applications de votre smartphone (iOS ou Android).
- S'inscrire/Se connecter : Créez un compte ou connectez-vous à votre compte existant.
- Ajouter un appareil : In the app, tap the "+" icon to add a new device. Select "Small Home Appliances" > "Thermostat" or search for "Thermostat".
- Entrez en mode de couplage : On the thermostat, press and hold the WiFi icon or a designated button (refer to on-screen instructions if available) until the WiFi indicator on the thermostat starts blinking rapidly.
- Connectez-vous au Wi-Fi : Follow the in-app instructions to connect the thermostat to your 2.4GHz WiFi network. Ensure your phone is also connected to the same 2.4GHz network during pairing.
- Appareil ajouté : Once successfully paired, the app will confirm the device has been added. You can then rename the thermostat for easy identification.
5. Fonctionnement
5.1 Contrôles de base
- Marche/Arrêt : Appuyez sur le bouton d'allumage (⏻) pour allumer ou éteindre le thermostat.
- Réglage de la température : Use the "+" and "-" buttons to increase or decrease the desired set temperature. The display will show both the current room temperature and the set temperature.
- Sélection du mode : Press the mode button (often represented by a fan or gear icon) to cycle through available modes (e.g., Manual, Auto/Program).
5.2 Advanced Features (via Tuya Smart App)
- Télécommande: Adjust temperature, change modes, and power on/off from anywhere using the Tuya Smart app.
- Programmation: Set up daily or weekly heating schedules to automatically adjust temperatures based on your routine, optimizing comfort and energy savings.
- Contrôle vocal : Integrate with Amazon Alexa or Google Assistant for voice commands (e.g., "Alexa, set living room thermostat to 22 degrees").
- Automatisation de la scène : Create smart scenes within the Tuya app to automate thermostat behavior based on other smart devices or conditions (e.g., "Turn on heating when outdoor temperature drops below 10°C").
- Surveillance de l'énergie : View historical energy consumption data to identify patterns and further optimize usage.
6. Entretien
- Nettoyage: Essuyez l'écran du thermostat et casinNettoyez avec un chiffon doux et sec. N’utilisez pas de nettoyants abrasifs, de solvants ni de produits en aérosol directement sur l’appareil.
- Aucune pièce réparable par l'utilisateur : The thermostat contains no user-serviceable parts. Do not attempt to open or repair the device yourself.
- Mises à jour logicielles : Ensure your Tuya Smart app and thermostat firmware are kept up-to-date for optimal performance and security. Updates are typically managed through the app.
7. Dépannage
| Problème | Cause possible | Solution |
|---|---|---|
| Le thermostat ne s'allume pas. | Pas d'alimentation électrique ; câblage incorrect. | Check circuit breaker. Verify wiring connections (L, N) are correct and secure. Consult a qualified electrician if unsure. |
| Le système de chauffage ne répond pas. | Incorrect wiring to boiler; thermostat in wrong mode; boiler issue. | Ensure boiler control wires (NO, NC) are correctly connected. Check thermostat mode (e.g., Manual, Auto). Verify boiler is operational. |
| Impossible de se connecter au Wi-Fi. | Incorrect WiFi password; 5GHz network; thermostat too far from router; pairing mode not active. | Ensure correct 2.4GHz WiFi network and password. Move thermostat closer to router. Re-enter pairing mode on thermostat. |
| Lecture de température inexacte. | Thermostat exposé aux courants d'air ou aux sources de chaleur. | Si possible, déplacez le thermostat. Assurez-vous qu'aucun facteur externe n'influence le capteur. |
| Le contrôle de l'application ne fonctionne pas. | Thermostat offline; app issues; internet connectivity problems. | Check if thermostat WiFi icon is solid. Restart app. Check home internet connection. |
8. Spécifications
- Modèle: M4A Gas Boiler 3A H
- Alimentation: CA 100-240 V
- Charge actuelle : 3A (for Gas Boiler)
- Connectivité : Wi-Fi (2.4 GHz)
- Capteur de température : CNT
- Précision de la température : ±0.5°C
- Set-point Range: 5-35°C
- Dimensions: 86mm x 86mm x 14mm (front panel)
- Installation: Wall-mounted (standard 60mm back box)
- Poids de l'article : 1.76 onces (environ 50 g)
- Fabricant: Tang Xiaoli Electronic Commerce Shenzhen
9. Garantie et assistance
This product comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or contact your retailer. For technical support, troubleshooting assistance, or inquiries regarding your MINCO M4A Smart Thermostat, please contact the seller or manufacturer directly.
Fabricant: Tang Xiaoli Electronic Commerce Shenzhen





