1. Úvod
This manual provides detailed instructions for the installation, operation, and maintenance of your Decdeal Wi-Fi Programmable Smart Thermostat. Designed for gas boiler heating systems, this thermostat offers convenient temperature control via its LCD touchscreen, mobile application, and voice commands. Please read this manual thoroughly before installation and use to ensure proper functionality and safety.

Figure 1: Decdeal Wi-Fi Programmable Smart Thermostat (White Model)
2. Vlastnosti produktu
- LCD displej s podsvícením: Clear and easy-to-read data, even in low light conditions.
- High-Quality Thermostat: Specifically designed for gas boiler heating systems with responsive touch keys.
- Týdenní programování: Features a 5+2 system with six programmable periods to optimize comfort and energy savings.
- Vysoká přesnost: Maintains temperature with a precision of 0.5°C.
- Dálkové ovládání přes aplikaci: Conveniently manage your thermostat using your mobile device.
- Kompatibilita hlasového ovládání: Works with Amazon Echo, Alexa, Google Home, and IFTTT.

Figure 2: Key Features of the Decdeal Smart Thermostat

Obrázek 3: Integrace chytré domácnosti

Obrázek 4: Funkce hlasového ovládání
3. Co je v krabici
- Decdeal Wi-Fi Programmable Smart Thermostat
- Montážní šrouby
- Uživatelská příručka v angličtině

Obrázek 5: Obsah balení
4. Specifikace
| Funkce | Detail |
|---|---|
| Značka | Dedecdeal |
| Číslo modelu | XGJ3167046817164KD |
| Rozměry produktu | 3.8P x 9d x 9v cm |
| Barva | Bílý |
| Typ materiálu | Akrylonitrilbutadienstyren (ABS) |
| Technologie připojení | Wi-Fi (pouze 2.4 GHz) |
| Zdroj napájení | Wired Electric (240 Volt) |
| Typ zobrazení | LCD s podsvícením |
| Velikost obrazovky | 5 centimetrů |
| Kontrolní metoda | Aplikace, Dálkové ovládání, Dotyk, Hlas |
| Typ montáže | Držák na zeď |
| Typ řízení teploty | Programovatelné |
| Specifické použití | Boiler Heating Systems (Model GC) |

Obrázek 6: Rozměry produktu
5. Nastavení
5.1. Důležitá poznámka ke kompatibilitě
This thermostat is Model GC, specifically designed for heating systems with gas boilers. Ensure your heating system is compatible before installation. The installation box should be a square 86x86mm or European round 60mm (not included).
5.2. Wiring Instructions (Model GC - Gas Boiler)
VAROVÁNÍ: Electrical installation should be performed by a qualified professional. Always turn off the main power supply before beginning any wiring work to prevent electric shock.
- Connect the clean contacts to terminals 1 and 2.
- Connect the neutral wire and live wire to terminals 3 and 4.
- Connect the temperature sensor to terminals 5 and 6 (if applicable).
Refer to the detailed wiring diagram in the included English User Manual for visual guidance.
5.3. Připojení aplikace
To connect your thermostat to the mobile app (e.g., Smart Life or Tuya Smart), follow these steps:
- Ensure your Wi-Fi network is 2.4 GHz. This product does not support 5G networks.
- Download the appropriate app (e.g., Smart Life or Tuya Smart) from your mobile device's app store.
- Zaregistrujte se nebo se přihlaste ke svému účtu.
- On the thermostat, press and hold the "Down" button (triangle icon) for approximately 8 seconds until the Wi-Fi indicator on the display blinks rapidly, indicating pairing mode.
- In the app, tap "Add Device" or the "+" icon. The app should automatically discover the thermostat. If not, select "Small Home Appliances" then "Thermostat" or "HVAC" and follow the in-app instructions.
- Enter your 2.4 GHz Wi-Fi network password when prompted.
- Confirm the indicator is blinking in the app and proceed with the connection.
- Once connected, the thermostat will appear in your device list, and you can control it remotely.
For a visual guide on app connection, please refer to the video below:
Video 1: Demonstrating the Wi-Fi connection process for the Decdeal Smart Thermostat with a mobile app.
For additional support and an Italian language manual, you can visit this link: http://qr71.cn/o1gyMk/qVY1nSe
6. Návod k obsluze
6.1. Ruční ovládání
The thermostat features a clear LCD display and intuitive touch buttons for direct control:

Figure 7: Thermostat Button Layout and Display Indicators
- Power Button (top right): Stisknutím zapnete nebo vypnete termostat.
- Tlačítko režimu (M): Cycles through different operating modes (e.g., Manual, Programmed).
- Clock Button (Clock icon): Used for setting the time and accessing programming settings.
- Up Button (Triangle pointing up): Increases the temperature setting or navigates menu options.
- Down Button (Triangle pointing down): Decreases the temperature setting or navigates menu options.
To adjust the temperature manually, press the Up or Down buttons. The display will show the current set temperature. To switch between manual and programmed modes, use the Mode button.
6.2. Řízení a plánování aplikací
The mobile app provides comprehensive control and scheduling capabilities:
- Dálkové nastavení teploty: Change the temperature from anywhere using your smartphone.
- Weekly Programming (5+2 System): Set up to six distinct time periods for weekdays (Monday-Friday), Saturday, and Sunday, each with its own temperature setting. This maximizes comfort and energy efficiency.
- Výběr režimu: Easily switch between manual, automatic (programmed), and other modes.
- Pokročilá nastavení: Access additional settings and features not available directly on the thermostat.

Obrázek 8: Rozhraní pro ovládání aplikací
7. Údržba
- Čištění: Otřete povrch termostatu měkkým, suchým hadříkem. Nepoužívejte abrazivní čisticí prostředky, rozpouštědla ani chemické spreje, protože by mohly poškodit displej neboasing.
- Vyhněte se překážkám: Ensure no objects block the thermostat, as this can affect its temperature readings.
- Napájení: The thermostat requires a constant 240V wired electric supply. It does not operate on batteries.
8. Řešení problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Thermostat does not power on after connection. | Nesprávné zapojení nebo žádné napájení. | Verify wiring according to Section 5.2. Ensure main power supply is ON. If unsure, consult a qualified electrician. |
| Nelze se připojit k Wi-Fi nebo aplikaci. | Incorrect Wi-Fi frequency (5G instead of 2.4 GHz) or incorrect pairing procedure. | Ensure your router is broadcasting a 2.4 GHz Wi-Fi signal and your phone is connected to it during setup. Follow app connection steps in Section 5.3 carefully. Reset the thermostat if necessary (refer to app instructions for reset). |
| Naměřená teplota se zdá být nepřesná. | Umístění termostatu nebo vnější faktory. | Zajistěte, aby termostat nebyl vystaven přímému slunečnímu záření, průvanu nebo zdrojům tepla (např.ampspotřebiče), které by mohly ovlivnit jeho senzor. |
| Topný systém nereaguje na termostat. | Wiring issue, boiler problem, or incorrect mode. | Check wiring connections. Ensure the thermostat is in the correct operating mode (e.g., heating mode, not off). Verify your boiler is functioning correctly. |
9. Záruka a podpora
For warranty information, please refer to the documentation provided at the time of purchase or contact your retailer. For technical support or further assistance, please contact Decdeal customer service through the official channels provided with your product or on the Decdeal webmísto.