1. Úvod
Thank you for choosing the AVATTO WT400-16A-B Smart WiFi Thermostat. This device is designed to provide intelligent temperature control for your water heater and gas boiler systems, offering convenience through programmable schedules, app control, and voice commands. Please read this manual carefully before installation and operation to ensure proper use and optimal performance.
2. Bezpečnostní informace
- Always disconnect power to the heating system before installing or servicing the thermostat.
- Instalaci by měl provádět kvalifikovaný elektrikář nebo topenář.
- Nevystavujte termostat vodě ani nadměrné vlhkosti.
- Ujistěte se, že všechna elektroinstalace jsou bezpečná a splňují místní elektrotechnické předpisy.
- Uchovávejte baterie mimo dosah dětí. Použité baterie zlikvidujte zodpovědně.
3. Obsah balení
Ověřte, zda jsou v balení přítomny všechny položky:
- AVATTO WT400-16A-B Thermostat Unit
- Uživatelská příručka
- Montážní šrouby (2 ks)
- NTC Sensor Cable (3 meters)
4. Konec produktuview
4.1 Klíčové vlastnosti
- Inteligentní ovládání WiFi: Connects directly to 2.4 GHz Wi-Fi for remote control via smartphone app.
- Hlasové ovládání: Kompatibilní s Amazon Alexa a Google Assistant pro ovládání bez použití rukou.
- Programovatelné rozvrhy: Offers 6 distinct heating programs for weekdays and 2 for weekends, optimizing energy use.
- Heating and Cooling Functionality: Supports both heating and cooling modes for year-round comfort.
- Velký LCD displej: A 4.6-inch screen clearly shows room temperature, set temperature, operating status, battery level, day, and time.
- Snadná instalace: Designed for surface mounting with potential-free output (NO, NC, COM).
- Možnosti duálního napájení: Operates on AAA batteries with an optional Type-C power input.
4.2 Displej a ovládací prvky
The thermostat features a clear LCD screen and an intuitive rotary knob for adjustments.
4.3 Kompatibilita
This thermostat is designed for use with water heaters and gas boilers that have dry contact connections. To je not compatible with electric underfloor heating systems or instantaneous electric water heaters.

Image: This diagram illustrates the thermostat's compatibility. It is compatible with gas boilers featuring dry contact connections (indicated by a checkmark) and is not compatible with electric heating systems or actuator valves (indicated by cross marks).
5. Nastavení
5.1 Instalace
The thermostat is designed for surface mounting. Choose a suitable location on an interior wall, away from direct sunlight, drafts, or heat sources that could affect temperature readings.
- Odpojit napájení: Vypněte hlavní napájení topného systému jističem.
- Namontujte zadní desku: Detach the front panel of the thermostat from its backplate. Secure the backplate to the wall using the provided screws.
- Zapojení: Connect the heating system wires to the NO (Normally Open), NC (Normally Closed), and COM (Common) terminals on the backplate. Refer to your heating system's manual for specific wiring diagrams. The thermostat provides a potential-free output.
- Připevněte přední panel: Once wiring is complete and secure, reattach the front panel to the backplate.

Image: This image shows the thermostat's backplate with wiring terminals and its physical dimensions (13.3 cm width, 8.6 cm height, 2.5 cm depth).
5.2 napájecí zdroj
The thermostat can be powered by three AAA batteries or via a Type-C USB connection.
- Instalace baterie: Open the battery compartment on the back of the thermostat and insert three AAA batteries, observing the correct polarity. The screen will display the battery level. Under normal operation, batteries typically last about 6 months.
- Type-C Power (Optional): For continuous power, you can connect a Type-C USB cable to the designated port.

Image: This image illustrates the battery compartment for AAA batteries and the Type-C port for alternative power input.
5.3 Připojení WiFi
To enable smart features, connect your thermostat to your home's 2.4 GHz Wi-Fi network.
- Stáhnout aplikaci: Download and install the 'Smart Life' or 'AVATTO' app from your smartphone's app store.
- Registrace/Přihlášení: Vytvořte si účet nebo se přihlaste do aplikace.
- Přidat zařízení: In the app, select 'Add Device' or the '+' icon. Choose 'Thermostat' or 'Heating Control'.
- Režim párování: Follow the in-app instructions to put the thermostat into pairing mode (usually involves pressing and holding a button on the thermostat until a Wi-Fi icon flashes).
- Připojení k Wi-Fi: Ensure your mobile phone is connected to your home's 2.4 GHz Wi-Fi network. Enter your Wi-Fi password in the app.
- Kompletní nastavení: The app will guide you through the final steps to connect the thermostat.
6. Návod k obsluze
6.1 Základní obsluha
- Zapnutí/vypnutí: Stisknutím tlačítka napájení zapněte nebo vypněte termostat.
- Upravit teplotu: Rotate the knob to set your desired room temperature. The display will show both the current room temperature and the set temperature.
6.2 Programovatelné režimy
The thermostat allows you to set a weekly schedule to automatically adjust the temperature.
- Weekday Programs: Set up to 6 different heating periods for Monday to Friday.
- Weekend Programs: Set up to 2 heating periods per day for Saturday and Sunday.
- Nastavení harmonogramu: Access the programming menu via the thermostat's interface or the Smart Life/AVATTO app to configure your desired times and temperatures for each period.

Image: This image displays the app interface for setting a weekly programmable schedule, showing different time slots and temperatures for each day.
6.3 Ovládání aplikace
Control your thermostat remotely using the Smart Life or AVATTO app.
- Dálkové nastavení teploty: Change the set temperature from anywhere.
- Správa rozvrhu: Easily create, modify, or disable heating schedules.
- Přepínání režimů: Přepínání mezi režimy vytápění a chlazení.
- Sdílení zařízení: Sdílejte ovládání termostatu s členy rodiny.
6.4 Hlasové ovládání
Integrate your thermostat with Amazon Alexa or Google Assistant for convenient voice commands.
- Propojení účtů: Follow the instructions in the Smart Life/AVATTO app to link your account with Alexa or Google Assistant.
- Hlasové příkazy: Použijte příkazy jako například:
- „Alexo, nastav [Název termostatu] na 22 stupňů.“
- "Hey Google, what is the temperature in [Room Name]?"

Image: This image demonstrates remote control via the Smart Life app and voice control using an Alexa device, showing a command to set the room temperature.
6.5 Heating and Cooling Function
The thermostat supports both heating and cooling modes. You can switch between these functions as needed to maintain a comfortable ambient temperature throughout the year.
- Výběr režimu: The mode can typically be changed through the thermostat's menu settings or directly within the Smart Life/AVATTO app.
- Teplotní hystereze: The thermostat features precise temperature control with adjustable hysteresis (0.5-10°C) to prevent rapid cycling of your heating/cooling system.
- Teplotní limity: Set minimum and maximum temperature limits (e.g., 5-35°C) to ensure safe and efficient operation.

Image: This image illustrates the heating and cooling functions, showing temperature arrows and the app interface for selecting 'Hot' or 'Cold' modes.

Image: This image highlights the precise temperature control features, including temperature hysteresis (0.5-10°C), minimum temperature setting (0.5°C), and upper/lower temperature limits (5-35°C).
7. Údržba
7.1 Výměna baterie
When the battery level indicator on the screen shows low power, replace the three AAA batteries promptly to ensure continuous operation. Refer to section 5.2 for battery installation instructions.
8. Řešení problémů
Pokud narazíte na problémy s termostatem, podívejte se na následující běžné problémy a jejich řešení:
| Problém | Možná příčina / řešení |
|---|---|
| Termostat se nezapne. | Check if the AAA batteries are correctly inserted and charged. Ensure the power button is functioning. If using Type-C power, verify the cable connection. |
| Confused characters appear on the screen. | This may indicate an installation issue. Reinstall the device, ensuring all connections are secure. |
| Zobrazená teplota je nepřesná. | Access the advanced menu mode on the thermostat or the calibration menu in the Smart Life/Tuya app to adjust temperature settings. |
| Device starts normally, but screen does not show output temperature. | Check the connection between the main control board and the power board. Verify that all wiring is correct according to the markings on the device connector. |
| Nelze se připojit k Wi-Fi. | Ensure your router is broadcasting a 2.4 GHz Wi-Fi signal. Confirm your mobile phone is connected to the 2.4 GHz network during pairing. Check Wi-Fi password. |
9. Specifikace
- Značka: AVATTO
- Číslo modelu: WT400-16A-B (also referred to as WT580)
- Barva: Černý
- Dimensions (Thermostat): Přibližně 13.3 x 8.6 x 2.5 cm
- Hmotnost položky: 270 gramů
- Power Output (Heating System): Až 3800 wattů
- svtage: 240 voltů (AC)
- Materiál: Plast
- Power Source (Thermostat): 3 x AAA Batteries (sold separately), optional Type-C USB
- Konektivita: Wi-Fi (2.4 GHz), Bluetooth
- Typ ovladače: Amazon Alexa, Google Assistant
- Speciální vlastnosti: Voice control, LCD display (temperature, weather, time, date, room temp, heating icon), 0.5°C temperature increments, Silent operation, Smart Life/Tuya Smart remote control.
- Specifické použití produktu: Water heaters and gas boilers with dry contact.
10. Záruka a podpora
Information regarding specific warranty details is not available in this document. For technical assistance, troubleshooting, or any questions not covered in this manual, please contact AVATTO customer support. You may also find additional support resources through the Smart Life or AVATTO application.





