1. 서론
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. 안전 정보
- Always disconnect power to the heating system before installing or servicing the thermostat.
- 설치는 자격을 갖춘 전기 기술자 또는 난방 기술자가 수행해야 합니다.
- 온도 조절 장치를 물이나 과도한 습기에 노출시키지 마십시오.
- 모든 배선 연결이 안전하고 현지 전기 규정을 준수하는지 확인하세요.
- 배터리는 어린이의 손이 닿지 않는 곳에 보관하세요. 사용한 배터리는 책임감 있게 폐기하세요.
3. 패키지 내용
패키지에 모든 품목이 들어 있는지 확인하세요.
- AVATTO WT400-16A-B Thermostat Unit
- 사용자 설명서
- 장착 나사(2개)
- NTC Sensor Cable (3 meters)
4. 제품 오버view
4.1 주요 특징
- 스마트 와이파이 제어: Connects directly to 2.4 GHz Wi-Fi for remote control via smartphone app.
- 음성 제어: Amazon Alexa 및 Google Assistant와 호환되어 핸즈프리로 작동할 수 있습니다.
- 프로그래밍 가능한 일정: Offers 6 distinct heating programs for weekdays and 2 for weekends, optimizing energy use.
- 난방 및 냉방 기능: Supports both heating and cooling modes for year-round comfort.
- 대형 LCD 디스플레이: A 4.6-inch screen clearly shows room temperature, set temperature, operating status, battery level, day, and time.
- 간편한 설치: Designed for surface mounting with potential-free output (NO, NC, COM).
- 이중 전원 옵션: Operates on AAA batteries with an optional Type-C power input.
4.2 디스플레이 및 제어
The thermostat features a clear LCD screen and an intuitive rotary knob for adjustments.
4.3 호환성
This thermostat is designed for use with water heaters and gas boilers that have dry contact connections. 그것은 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. 설정
5.1 설치
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.
- 전원 분리: 난방 시스템의 주 전원을 차단기에서 끄십시오.
- 백플레이트 장착: Detach the front panel of the thermostat from its backplate. Secure the backplate to the wall using the provided screws.
- 배선: 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.
- 전면 패널 부착: 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 전원 공급
The thermostat can be powered by three AAA batteries or via a Type-C USB connection.
- 배터리 설치: 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 연결
To enable smart features, connect your thermostat to your home's 2.4 GHz Wi-Fi network.
- 앱 다운로드 : Download and install the 'Smart Life' or 'AVATTO' app from your smartphone's app store.
- 등록/로그인: 계정을 만들거나 앱에 로그인하세요.
- 장치 추가: In the app, select 'Add Device' or the '+' icon. Choose 'Thermostat' or 'Heating Control'.
- 페어링 모드 : 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).
- Wi-Fi에 연결: Ensure your mobile phone is connected to your home's 2.4 GHz Wi-Fi network. Enter your Wi-Fi password in the app.
- 설정 완료: The app will guide you through the final steps to connect the thermostat.
6. 사용 설명서
6.1 기본 작업
- 전원 켜기/끄기: 전원 버튼을 눌러 온도 조절 장치를 켜거나 끄세요.
- 온도 조절: Rotate the knob to set your desired room temperature. The display will show both the current room temperature and the set temperature.
6.2 프로그래밍 가능 모드
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 앱 제어
Control your thermostat remotely using the Smart Life or AVATTO app.
- 원격 온도 조절: Change the set temperature from anywhere.
- 일정 관리: Easily create, modify, or disable heating schedules.
- 모드 전환: Switch between heating and cooling modes.
- 장치 공유: 가족 구성원들과 온도 조절 장치 제어 권한을 공유하세요.
6.4 음성 제어
Integrate your thermostat with Amazon Alexa or Google Assistant for convenient voice commands.
- 계정 연결: Follow the instructions in the Smart Life/AVATTO app to link your account with Alexa or Google Assistant.
- 음성 명령: 다음과 같은 명령을 사용하세요.
- "알렉사, [온도 조절기 이름]을 22도로 설정해 줘."
- "헤이 구글, [방 이름]의 온도는 몇 도야?"

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.
- 모드 선택: The mode can typically be changed through the thermostat's menu settings or directly within the Smart Life/AVATTO app.
- 온도 이력 현상: The thermostat features precise temperature control with adjustable hysteresis (0.5-10°C) to prevent rapid cycling of your heating/cooling system.
- 온도 제한: 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. 유지관리
7.1 배터리 교체
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. 문제 해결
온도 조절 장치에 문제가 발생하면 다음의 일반적인 문제와 해결 방법을 참조하세요.
| 문제 | 가능한 원인 / 해결책 |
|---|---|
| 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. |
| Wi-Fi에 연결할 수 없습니다. | 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. 사양
- 상표: 아바토
- 모델 번호: WT400-16A-B (also referred to as WT580)
- 색상: 검은색
- Dimensions (Thermostat): 약 13.3×8.6×2.5 cm
- 품목 무게: 270그램
- Power Output (Heating System): 최대 3800와트
- 권tage: 240볼트(AC)
- 재료: 플라스틱
- Power Source (Thermostat): 3 x AAA Batteries (sold separately), optional Type-C USB
- 연결성: Wi-Fi(2.4GHz), 블루투스
- 컨트롤러 유형 : Amazon Alexa, Google Assistant
- 특별 기능: 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.
- 제품의 구체적인 용도: Water heaters and gas boilers with dry contact.
10. 보증 및 지원
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.





