1. Ifihan
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. Alaye Aabo
- Always disconnect power to the heating system before installing or servicing the thermostat.
- Installation should be performed by a qualified electrician or heating technician.
- Ma ṣe fi iwọn otutu han si omi tabi ọriniinitutu ti o pọ ju.
- Rii daju pe gbogbo awọn asopọ onirin wa ni aabo ati ni ibamu pẹlu awọn koodu itanna agbegbe.
- Pa awọn batiri mọ kuro lọwọ awọn ọmọde. Pa awọn batiri ti a ti lo mọ ni ọna ti o tọ.
3. Package Awọn akoonu
Daju pe gbogbo awọn nkan wa ninu apo rẹ:
- AVATTO WT400-16A-B Thermostat Unit
- Itọsọna olumulo
- Awọn skru ti n gbe soke (awọn kọnputa 2)
- NTC Sensor Cable (3 meters)
4. Ọja Ipariview
4.1 Key Awọn ẹya ara ẹrọ
- Smart WiFi Control: Connects directly to 2.4 GHz Wi-Fi for remote control via smartphone app.
- Iṣakoso ohun: Ni ibamu pẹlu Amazon Alexa ati Oluranlọwọ Google fun iṣẹ ti ko ni ọwọ.
- Awọn Eto Eto: 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.
- Ifihan LCD nla: A 4.6-inch screen clearly shows room temperature, set temperature, operating status, battery level, day, and time.
- Fifi sori Rọrun: Designed for surface mounting with potential-free output (NO, NC, COM).
- Awọn aṣayan Agbara Meji: Operates on AAA batteries with an optional Type-C power input.
4.2 Ifihan ati Awọn iṣakoso
The thermostat features a clear LCD screen and an intuitive rotary knob for adjustments.
4.3 Ibamu
This thermostat is designed for use with water heaters and gas boilers that have dry contact connections. O jẹ 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. Eto
5.1 fifi sori ẹrọ
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.
- Ge Agbara: Turn off the main power supply to your heating system at the circuit breaker.
- Gbe Ẹhin: Detach the front panel of the thermostat from its backplate. Secure the backplate to the wall using the provided screws.
- Asopọmọra: 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.
- So Igbimo Iwaju: 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 Ipese Agbara
The thermostat can be powered by three AAA batteries or via a Type-C USB connection.
- Fifi sori batiri: 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 WiFi Asopọ
To enable smart features, connect your thermostat to your home's 2.4 GHz Wi-Fi network.
- Ṣe igbasilẹ Ohun elo: Download and install the 'Smart Life' or 'AVATTO' app from your smartphone's app store.
- Forukọsilẹ/Wọle: Ṣẹda akọọlẹ kan tabi wọle si app naa.
- Fi ẹrọ kun: In the app, select 'Add Device' or the '+' icon. Choose 'Thermostat' or 'Heating Control'.
- Ipo sisopọ: 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).
- Sopọ si 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.
- Eto pipe: The app will guide you through the final steps to connect the thermostat.
6. Awọn ilana Iṣiṣẹ
6.1 Ipilẹ isẹ
- Titan/Apapa: Tẹ bọtini agbara lati tan tabi pa thermostat.
- Ṣatunṣe iwọn otutu: Rotate the knob to set your desired room temperature. The display will show both the current room temperature and the set temperature.
6.2 Programmable Modes
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.
- Setting Schedule: 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 App Iṣakoso
Control your thermostat remotely using the Smart Life or AVATTO app.
- Ṣíṣàtúnṣe Òtútù Láàrín Ọ̀nà: Change the set temperature from anywhere.
- Isakoso Iṣeto: Easily create, modify, or disable heating schedules.
- Ipo Yipada: Yipada laarin alapapo ati itutu awọn ipo.
- Pipin ẹrọ: Share control of the thermostat with family members.
6.4 Iṣakoso ohun
Integrate your thermostat with Amazon Alexa or Google Assistant for convenient voice commands.
- Àwọn Àkọọ́lẹ̀ Ìsopọ̀: Follow the instructions in the Smart Life/AVATTO app to link your account with Alexa or Google Assistant.
- Awọn pipaṣẹ ohun: Lo awọn aṣẹ bii:
- "Alexa, ṣeto [Orukọ Thermostat] si awọn iwọn 22."
- "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.
- Aṣayan Ipo: The mode can typically be changed through the thermostat's menu settings or directly within the Smart Life/AVATTO app.
- Temperature Hysteresis: The thermostat features precise temperature control with adjustable hysteresis (0.5-10°C) to prevent rapid cycling of your heating/cooling system.
- Awọn idiwọn iwọn otutu: 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. Itọju
7.1 Batiri Rirọpo
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. Laasigbotitusita
Ti o ba pade awọn ọran pẹlu thermostat rẹ, tọka si awọn iṣoro ti o wọpọ ati awọn ojutu wọnyi:
| Isoro | Owun to le Fa / Solusan |
|---|---|
| Thermostat does not power on. | 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. |
| Displayed temperature is inaccurate. | 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. |
| Ko le sopọ si 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. Awọn pato
- Brand: AVATTO
- Nọmba awoṣe: WT400-16A-B (also referred to as WT580)
- Àwọ̀: Dudu
- Dimensions (Thermostat): Isunmọ 13.3 x 8.6 x 2.5 cm
- Ìwọ̀n Nkan: 270 giramu
- Power Output (Heating System): O to 3800 Wattis
- Voltage: 240 Volt (AC)
- Ohun elo: Ṣiṣu
- Power Source (Thermostat): 3 x AAA Batteries (sold separately), optional Type-C USB
- Asopọmọra: Wi-Fi (2.4 GHz), Bluetooth
- Iru Adari: Amazon Alexa, Google Iranlọwọ
- Awọn ẹya pataki: 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.
- Awọn Lilo ọja kan pato: Water heaters and gas boilers with dry contact.
10. Atilẹyin ọja ati Support
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.





