1. 서론
This manual provides comprehensive instructions for the installation, operation, and maintenance of your AVATTO Smart Wi-Fi Thermostat, Model WT400S-3A-B. This thermostat is designed to regulate room temperature for electric floor heating systems, offering advanced features such as programmability, remote control via smartphone applications, and voice control compatibility with smart home assistants.
2. 제품 오버view
2.1 주요 특징
- 스마트 Wi-Fi 연결: Control your thermostat remotely via the 'Smart Life' or 'Tuya Smart' application on your smartphone.
- 음성 제어: 아마존 알렉사 및 구글 홈과 호환되어 편리한 핸즈프리 작동이 가능합니다.
- 프로그래밍 가능 모드: Supports manual mode and programmable schedules (5+2, 6+1, or 7-day options) with multiple temperature settings per day.
- 온도 교정: Adjust temperature readings for accuracy if there is a discrepancy between the thermostat and actual room temperature.
- 화면 밝기 조절 가능: Three levels of brightness to choose from, ensuring comfort and preventing disturbance during sleep.
- NTC Temperature Sensors: Integrated sensors provide precise temperature regulation for a comfortable heating environment.
- 안전 기능: Includes child lock, power-off memory, and antifreeze protection.
- 광범위한 온도 범위: Operates within 5°C to 70°C with a temperature accuracy of ±0.5°C.
2.2 패키지 내용
- 1 x AVATTO Smart Wi-Fi Thermostat
- 2 x 장착 나사
- 1 x 사용자 매뉴얼(영어 및 독일어)
2.3 Thermostat Display Elements

영상: Labeled display elements of the AVATTO Smart Wi-Fi Thermostat. This image illustrates the various indicators and controls on the thermostat's screen, including Wi-Fi status, current time, room temperature, manual/automatic mode, temperature adjustment buttons, and the power button.
- 와이파이 아이콘: Wi-Fi 연결 상태를 나타냅니다.
- Week/Day Indicator: 현재 요일을 보여줍니다.
- 시간: 현재 시간을 표시합니다.
- 실온: Shows the detected room temperature.
- 세트: Indicates the target temperature setting.
- 수동/자동 모드: Icon to switch between manual and programmed operating modes.
- 전원 버튼: Turns the thermostat on or off. Press and hold for 5-10 seconds to activate Wi-Fi pairing mode.
- 온도 조절 버튼(+/-): 온도 설정을 높이거나 낮춥니다.
3. 설정
3.1 설치 및 배선
The AVATTO Smart Wi-Fi Thermostat is designed for electric floor heating systems. Ensure that the power supply is disconnected before beginning installation to prevent electrical shock.
- Prepare a suitable wall mounting box (dimensions provided in the diagram).
- Connect the thermostat wiring according to the diagram below. This thermostat is compatible with 110-240V electric actuators.
- Secure the thermostat to the wall mounting box using the provided screws.

영상: Dimensions and wiring connections for the AVATTO Smart Wi-Fi Thermostat. The diagram shows the physical dimensions of the thermostat (86mm x 86mm x 26mm) and the wiring terminal block with labels for N (Neutral), L (Live), NC (Normally Closed), and NO (Normally Open) connections for the heating system, along with sensor connections.
3.2 App Connection (Smart Life / Tuya Smart)
To enable remote control and smart features, connect your thermostat to the 'Smart Life' or 'Tuya Smart' application.
- 스마트폰 앱스토어에서 'Smart Life' 또는 'Tuya Smart' 앱을 다운로드하세요.
- 계정에 등록하거나 로그인하십시오.
- Ensure your thermostat is powered on. Press and hold the power button on the thermostat for 5-10 seconds until the Wi-Fi icon flashes, indicating pairing mode.
- In the app, tap '+' to add a new device. Select 'Thermostat' or 'Heater' from the device list.
- Follow the on-screen instructions to connect the thermostat to your 2.4GHz Wi-Fi network. 5GHz networks are not supported.

영상: The AVATTO Smart Thermostat being controlled remotely through a smartphone application. The image highlights the convenience of managing heating settings from anywhere using the AVATTO or Smart Life app.
4. 사용 설명서
4.1 전원 켜기/끄기
Press the power button once to turn the thermostat on or off.
4.2 온도 설정
In manual mode, use the '+' and '-' buttons on the thermostat or the app to adjust the desired temperature. The minimum temperature setting is 0.5°C.

영상: Precise temperature control features of the AVATTO Smart Thermostat. This image details the minimum temperature setting (0.5°C), temperature hysteresis (0.5°C to 10°C), and upper and lower temperature limits (15°C to 95°C).
4.3 Operating Modes (Manual / Program)
온도 조절기는 두 가지 주요 작동 모드를 지원합니다.
- 수동 모드: The thermostat maintains a constant temperature set by the user until manually changed.
- 프로그래밍 모드: Allows you to set a customized heating schedule for different times of the day and week. You can choose between 5+2 (weekdays/weekend), 6+1 (Mon-Sat/Sun), or 7-day programming options. Refer to the app for detailed schedule setup.
4.4 음성 제어
Once connected to the Smart Life app and linked with Amazon Alexa or Google Home, you can control your thermostat using voice commands.
- Examp명령:
- "알렉사, 온도 조절기를 23도로 설정해 줘."
- "Hey Google, turn on the living room thermostat."
- "Alexa, what is the temperature in the bedroom?"

영상: Voice control functionality of the AVATTO Smart Thermostat with Amazon Alexa and Google Home devices. A smartphone displays the AVATTO app interface, while an Alexa Echo Dot and Google Home Mini are shown, illustrating hands-free temperature adjustment.
4.5 온도 교정
If you notice a difference between the actual room temperature and the temperature displayed on the thermostat, you can calibrate it through the app settings. This ensures accurate temperature readings and control.
4.6 화면 밝기 조정
The screen brightness can be adjusted to three levels via the app settings to suit your preference and avoid disturbance, especially during nighttime.

영상: Adjustable screen brightness levels of the AVATTO Smart Thermostat. The image displays the thermostat screen at 0%, 20%, 50%, and 100% brightness, along with a screenshot of the app interface showing the 'Backlight brightness' slider.
4.7 차일드락 기능
Activate the child lock feature through the app to prevent unauthorized changes to the thermostat settings by children.
4.8 Antifreeze Protection
The thermostat includes an antifreeze function to prevent pipes from freezing in cold conditions by automatically activating heating if the temperature drops below a set threshold.
5. 유지관리
To ensure optimal performance and longevity of your AVATTO Smart Wi-Fi Thermostat, follow these maintenance guidelines:
- 청소: 부드럽고 마른 천으로 온도 조절기 화면과 본체를 살살 닦아주세요. 연마성 세척제, 용제 또는 화학 스프레이는 기기를 손상시킬 수 있으므로 사용하지 마십시오.
- 센서 관리: Ensure the temperature sensors are not obstructed by furniture, curtains, or other objects, as this can affect temperature readings.
- 소프트웨어 업데이트: Periodically check the 'Smart Life' or 'Tuya Smart' app for any available firmware updates for your thermostat to ensure you have the latest features and bug fixes.
6. 문제 해결
If you encounter issues with your AVATTO Smart Wi-Fi Thermostat, refer to the following common problems and solutions:
- 온도 조절기가 켜지지 않음:
- Check the main power supply to your heating system.
- Verify that the wiring connections are secure and correct according to the installation diagram.
- Wi-Fi 연결 문제:
- Ensure your Wi-Fi router is operating on a 2.4GHz frequency. The thermostat does not support 5GHz Wi-Fi.
- Confirm that the thermostat is within range of your Wi-Fi router.
- Restart your Wi-Fi router and attempt the pairing process again.
- Make sure the Wi-Fi icon on the thermostat is flashing during pairing mode (press and hold power button for 5-10 seconds).
- 잘못된 온도 측정값:
- Use the temperature calibration function in the app to adjust the reading.
- Ensure the thermostat's internal sensor is not obstructed or exposed to direct heat sources (e.g., sunlight, appliances).
- Heating not turning on/off as scheduled:
- Verify that the thermostat is in 'Programming Mode' and that your schedule is correctly set in the app.
- Check the current time and day settings on the thermostat and in the app.
- Ensure the child lock is not activated if you are unable to make changes.
- 음성 제어가 작동하지 않습니다:
- Confirm that your thermostat is successfully linked to Amazon Alexa or Google Home through the Smart Life app.
- 인터넷 연결 상태와 스마트 스피커의 작동 상태를 확인하세요.
- 명확하고 정확한 음성 명령을 사용하십시오.
7. 사양
| 상표 | 아바토 |
| 모델 번호 | WT400S-3A-B |
| 색상 | 검은색 |
| 치수(길이 x 너비 x 높이) | 86 x 86 x 26 mm (0.8 x 9 x 6 cm product dimensions listed, 26mm depth from image) |
| 무게 | 200그램 |
| 힘 | 1200 와트 |
| 권tage | 100-240VAC, 50 / 60Hz |
| 현재의 | 3아 |
| 재료 | 플라스틱 |
| 연결 기술 | Wi-Fi(2.4GHz만 해당) |
| 온도 범위 | 5℃ ~ 70℃ |
| 온도 정확도 | ± 0.5°C |
| 특정 용도 | For floor heating and gas boiler (this model is 3A, typically for electric floor heating) |
8. 보증 및 지원
For any issues not covered in this manual, or if you require further assistance with installation or connection, please contact AVATTO customer support. Refer to the product packaging or the AVATTO web구체적인 보증 정보와 연락처 정보는 해당 사이트를 참조하세요.





