1. Танилцуулга
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. Аюулгүй байдлын мэдээлэл
- Always disconnect power to the heating system before installing or servicing the thermostat.
- Installation should be performed by a qualified electrician or heating technician.
- Термостатыг ус эсвэл хэт их чийгшилд бүү оруул.
- Бүх утас холболтууд найдвартай, орон нутгийн цахилгааны кодуудтай нийцэж байгаа эсэхийг шалгаарай.
- Батерейг хүүхдэд хүрэхгүй газар хадгал. Ашигласан батерейг хариуцлагатайгаар устга.
3. Багцын агуулга
Таны багцад бүх зүйл байгаа эсэхийг шалгана уу:
- AVATTO WT400-16A-B Thermostat Unit
- Хэрэглэгчийн гарын авлага
- Суурилуулах эрэг (2 ширхэг)
- NTC Sensor Cable (3 meters)
4. Бүтээгдэхүүн дууссанview
4.1 Гол онцлогууд
- Ухаалаг WiFi удирдлага: Connects directly to 2.4 GHz Wi-Fi for remote control via smartphone app.
- Дуут удирдлага: Amazon Alexa болон Google Assistant-тай нийцтэй, гаргүй ажиллах боломжтой.
- Програмчлагдах боломжтой хуваарь: Offers 6 distinct heating programs for weekdays and 2 for weekends, optimizing energy use.
- Халаалт ба хөргөлтийн функц: Supports both heating and cooling modes for year-round comfort.
- Том LCD дэлгэц: A 4.6-inch screen clearly shows room temperature, set temperature, operating status, battery level, day, and time.
- Хялбар суурилуулалт: Designed for surface mounting with potential-free output (NO, NC, COM).
- Хос тэжээлийн сонголтууд: Operates on AAA batteries with an optional Type-C power input.
4.2 Дэлгэц ба удирдлага
The thermostat features a clear LCD screen and an intuitive rotary knob for adjustments.
4.3 Тохиромжтой байдал
This thermostat is designed for use with water heaters and gas boilers that have dry contact connections. Энэ нь 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. Тохиргоо
5.1 Суурилуулалт
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.
- Цахилгааныг салгах: Turn off the main power supply to your heating system at the circuit breaker.
- Арын хавтанг суурилуулах: Detach the front panel of the thermostat from its backplate. Secure the backplate to the wall using the provided screws.
- Утас: 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.
- Урд самбарыг хавсаргах: 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 Цахилгаан хангамж
The thermostat can be powered by three AAA batteries or via a Type-C USB connection.
- Батерей суурилуулах: 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 холболт
To enable smart features, connect your thermostat to your home's 2.4 GHz Wi-Fi network.
- Апп татаж авах: Download and install the 'Smart Life' or 'AVATTO' app from your smartphone's app store.
- Бүртгүүлэх/Нэвтрэх: Бүртгэл үүсгэх эсвэл апп руу нэвтэрнэ үү.
- Төхөөрөмж нэмэх: In the app, select 'Add Device' or the '+' icon. Choose 'Thermostat' or 'Heating Control'.
- Хослуулах горим: 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-Fi-д холбогдох: Ensure your mobile phone is connected to your home's 2.4 GHz Wi-Fi network. Enter your Wi-Fi password in the app.
- Бүрэн тохиргоо: The app will guide you through the final steps to connect the thermostat.
6. Ашиглалтын заавар
6.1 Үндсэн үйл ажиллагаа
- Асаах/унтраах: Термостатыг асаах эсвэл унтраахын тулд цахилгаан товчийг дарна уу.
- Температурыг тохируулах: Rotate the knob to set your desired room temperature. The display will show both the current room temperature and the set temperature.
6.2 Програмчлагдах горимууд
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.
- Хуваарь тохируулах: 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 Програмын хяналт
Control your thermostat remotely using the Smart Life or AVATTO app.
- Алсын температурын тохируулга: Change the set temperature from anywhere.
- Хуваарийн менежмент: Easily create, modify, or disable heating schedules.
- Горим солих: Switch between heating and cooling modes.
- Төхөөрөмж хуваалцах: Share control of the thermostat with family members.
6.4 Дуут удирдлага
Integrate your thermostat with Amazon Alexa or Google Assistant for convenient voice commands.
- Холбоос дансууд: Follow the instructions in the Smart Life/AVATTO app to link your account with Alexa or Google Assistant.
- Дуут тушаалууд: Ийм тушаалуудыг ашиглана уу:
- "Алекса, [Термостатын нэр]-ийг 22 хэмд тохируул."
- "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.
- Горим сонгох: 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.
- Температурын хязгаар: 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. Засвар үйлчилгээ
7.1 Батерейг солих
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. Алдаа засах
Хэрэв та термостаттай холбоотой асуудалтай тулгарвал дараах нийтлэг асуудал болон шийдлүүдийг үзнэ үү.
| Асуудал | Боломжит шалтгаан / шийдэл |
|---|---|
| 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-Fi-д холбогдох боломжгүй байна. | 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. Техникийн үзүүлэлтүүд
- Брэнд: АВАТТО
- Загварын дугаар: WT400-16A-B (also referred to as WT580)
- Өнгө: Хар
- Dimensions (Thermostat): Ойролцоогоор 13.3 x 8.6 x 2.5 см
- Барааны жин: 270 грамм
- Power Output (Heating System): 3800 ватт хүртэл
- Ботьtage: 240 вольт (AC)
- Материал: Хуванцар
- Цахилгаан эх үүсвэр (Термостат): 3 x AAA Batteries (sold separately), optional Type-C USB
- Холболт: Wi-Fi (2.4 GHz), Bluetooth
- Хянагчийн төрөл: Amazon Alexa, Google туслах
- Онцлог шинж чанарууд: 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.
- Бүтээгдэхүүний тусгай хэрэглээ: Water heaters and gas boilers with dry contact.
10. Баталгаат хугацаа ба дэмжлэг
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.





