1. Introducció
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Decdeal 5A Water Heating Thermostat. Please read this manual thoroughly before installation and use to ensure proper function and safety. Keep this manual for future reference.

Image: Decdeal thermostat installed on a wall in a modern bedroom, demonstrating typical usage environment.
2. Informació de seguretat
- La instal·lació l'ha de fer un electricista qualificat.
- Assegureu-vos que l'alimentació estigui desconnectada abans de la instal·lació o el manteniment.
- No exposeu el dispositiu a l'aigua ni a una humitat excessiva.
- No intenteu reparar ni modificar el termòstat vosaltres mateixos. Poseu-vos en contacte amb personal qualificat per al servei tècnic.
- This device is designed for water heating systems only.
3. Producte acabatview
The Decdeal 5A Water Heating Thermostat is a programmable device designed to control water heating systems, offering energy efficiency and precise temperature management. It features a touchscreen LCD for easy interaction.
Característiques principals:
- Pantalla LCD de pantalla tàctil
- Weekly Programmable Schedule
- Visualització de la temperatura
- Funcionalitat d'estalvi d'energia
- Wall Mount Design

Imatge: Frontal view of the Decdeal 5A Water Heating Thermostat, showcasing its touchscreen LCD display.
4. Configuració i instal·lació
Follow these steps for proper installation of your thermostat. Ensure all power is off before beginning.
4.1 Contingut del paquet:
- Decdeal 5A Water Heating Thermostat Unit
- Cargols de muntatge (2 unitats)
- Manual d'usuari (aquest document)

Image: The thermostat unit, mounting screws, and technical data sheet, representing typical package contents.
4.2 Diagrama de cablejat:
Refer to the diagram below for correct wiring connections. Incorrect wiring can damage the device or pose a safety hazard.

Image: The back plate of the thermostat showing terminal connections for AC95-240V power (N, L), load (Close, Open), and NTC sensor (5, 6). Modbus connections (A, B) are also visible.
- Terminals 1 i 2: Load connection (heating element).
- Terminals 3 i 4: AC95-240V Power Supply (N - Neutral, L - Live).
- Terminals 5 i 6: NTC Sensor (10K 3950).
- MODBUS A & B: Optional Modbus communication.
Assegureu-vos que totes les connexions estiguin segures i aïllades.

Image: The internal wiring of the thermostat unit, showing the connection points for the display and the main circuit board.

Imatge: Lateral view of the thermostat unit with its back plate, illustrating how the main unit connects to the wall-mounted base.
4.3 Muntatge:
- Prepare a standard electrical box in the desired wall location.
- Connect the wires according to the wiring diagram (Section 4.2).
- Secure the back plate to the electrical box using the provided screws.
- Carefully attach the thermostat display unit to the mounted back plate, ensuring it clicks into place.
- Resta l'alimentació del circuit.
5. Instruccions de funcionament
The thermostat features a user-friendly touchscreen interface. Below is an overview of the display and basic operations.

Image: The thermostat display with labels indicating "Heating On" indicator, "Week" display, "Time" display, "Temperature Display", "Manual" mode indicator, "Mode" button, "Clock" button, "Up" button, and "Down" button.
5.1 Display Elements and Buttons:
- Heating On Indicator: Displays when the heating system is active.
- Setmana: Mostra el dia actual de la setmana.
- Hora: Mostra l'hora actual.
- Visualització de la temperatura: Shows the current room temperature or set temperature.
- Manual Mode Indicator: Indicates manual control mode.
- Mode Button (bottom left): Toggles between manual and programmable modes.
- Clock Button (bottom center): Used for setting time and programming schedules.
- Up Button (bottom right, arrow up): Increases temperature or adjusts settings.
- Down Button (bottom right, arrow down): Decreases temperature or adjusts settings.
5.2 Funcionament bàsic:
- Encès/apagat: Press the power icon (if available, not explicitly shown but common) or ensure power supply is connected.
- Ajust de temperatura: In manual mode, use the Up i Avall arrow buttons to set the desired temperature. The display will show the set temperature briefly, then revert to the current room temperature.
- Canvi de modes: Premeu el botó Mode button to switch between manual control and programmable schedule modes.
5.3 Setting Time and Program Schedule:
Detailed programming instructions are typically found in the full product manual. Generally, this involves:
- Manteniu premut el botó Rellotge botó per entrar al mode de configuració de l'hora.
- Utilitza el Up i Avall buttons to adjust hours, minutes, and day of the week.
- Premeu el botó Rellotge button again to confirm each setting and move to the next.
- To set the weekly program, typically press and hold the Rellotge button for a longer duration or use a combination of buttons to enter programming mode. Follow on-screen prompts to set different temperature schedules for various times and days.
6. Manteniment
- Neteja: Netegeu la superfície del termòstat amb un drap suauamp tela. No utilitzeu netejadors abrasius ni dissolvents.
- Inspecció: Comproveu periòdicament si hi ha connexions soltes o signes de dany.
- Actualitzacions de programari: This model does not support user-initiated software updates.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El termòstat no s'encén | No hi ha subministrament elèctric; cablejat incorrecte; interruptor automàtic saltat. | Check power supply; verify wiring connections; reset circuit breaker. |
| La calefacció no s'encén | Temperature setting too low; thermostat in off mode; wiring issue to heating system. | Increase set temperature; ensure thermostat is in heating mode; check wiring to heating system. |
| Lectura de temperatura inexacta | Sensor issue; thermostat exposed to direct sunlight or drafts. | Ensure sensor is correctly connected; relocate thermostat if necessary; contact support if problem persists. |
| Display not responding to touch | Temporary software glitch; severe static discharge. | Try restarting the thermostat by temporarily cutting power; contact support if issue persists. |
8. Especificacions

Image: Diagram showing the dimensions of the thermostat: 86mm width, 86mm height, 13.2mm depth for the visible part, and 24.4mm depth for the embedded part.
| Característica | Detall |
|---|---|
| Marca | Decdeal |
| Número de model | YAF6894014155716WJ |
| Tipus de controlador | Toca |
| Font d'alimentació | Elèctric amb cable |
| Font d'alimentació | 95 ~ 240V AC, 50~60Hz |
| Current Load (Water Heating) | 3A |
| Current Load (Electric Heating) | 16A |
| Sensor | NTC (10K 3950) |
| Precisió | ±1 °C |
| Estableix el rang de temperatura | 5-35°C |
| Interval de temperatura de l'habitació | 5-99°C |
| Consum d'energia | <1.5W |
| Error de cronometratge | <1% |
| Material de closca | PC+ABS (retardant de flama) |
| Dimensions | 86x86x13.3mm (visible), 24.4mm (embedded) |
| Temperatura ambient | 0-45°C |
| Humitat ambiental | 5-95% HR (sense condensació) |
| Pes de l'article | 157 grams |
| Tipus de muntatge | Muntatge de paret |
| Llum de fons | Sí |
| País d'origen | Xina |
9. Informació de la garantia
Decdeal products typically come with a standard manufacturer's warranty. Please refer to the warranty card included with your purchase or contact your retailer for specific warranty terms and conditions. Keep your proof of purchase for warranty claims.
10. Suport
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact your point of purchase or visit the official Decdeal weblloc web per obtenir informació de contacte d'atenció al client.
Weblloc: www.decdeal.com (Nota: Això és un marcador de posició URL, please verify the actual support weblloc.)