1. परिचय
This manual provides detailed instructions for the installation, operation, and maintenance of your AVATTO Smart WiFi Thermostat (Model WT400S-3A-B). This thermostat is designed for controlling water underfloor heating systems and gas/oil boilers, offering intelligent temperature management through its programmable features, app control, and voice assistant compatibility. Please read this manual thoroughly before installation and use to ensure proper function and safety.
2. उत्पादन समाप्तview
The AVATTO Smart WiFi Thermostat is an advanced device for precise climate control in your home. It features a touch screen display and can be remotely managed via the "Smart Life" or "Tuya Smart" applications.
मुख्य विशेषताहरु:
- अनुकूलता: Suitable for water underfloor heating systems and gas/oil boilers. Supports electric actuators with 110-240V.
- स्मार्ट नियन्त्रण: WiFi connectivity for remote control via "Smart Life" or "Tuya Smart" apps.
- आवाज नियन्त्रण: Integrates with Amazon Alexa and Google Home for hands-free operation.
- प्रोग्रामेबल मोडहरू: Offers 5+2, 6+1, or 7-day programming with multiple daily temperature settings.
- तापमान क्यालिब्रेसन: Allows adjustment to match actual room temperature.
- समायोज्य स्क्रिन चमक: Customizable display brightness, including an option to turn it off completely.
- बाल लक: सेटिङहरूमा अनधिकृत परिवर्तनहरू रोक्छ।
- एन्टीफ्रिज प्रकार्य: पाइपहरूलाई जम्नबाट जोगाउँछ।

चित्र १: The AVATTO Smart WiFi Thermostat displaying current temperature and time, alongside a smartphone showing the corresponding control app interface.

चित्र १: Illustration of the thermostat's application in controlling both gas boiler systems and water underfloor heating, showing the heating pipes and a gas boiler unit.

चित्र १: A detailed diagram indicating the various display elements and button functions on the AVATTO Smart Thermostat, including time, room temperature, manual/automatic mode, and WiFi pairing instructions.
3. सेटअप र स्थापना
3.1 सुरक्षा सावधानीहरू
- स्थापना एक योग्य इलेक्ट्रीशियन द्वारा प्रदर्शन गर्नुपर्छ।
- स्थापना गर्नु अघि मुख्य सर्किट ब्रेकरमा पावर विच्छेद भएको सुनिश्चित गर्नुहोस्।
- डी मा स्थापना नगर्नुहोस्amp वातावरणहरू।
3.2 तारिङ रेखाचित्र
The thermostat is designed for 110-240V systems. Connect the wires according to the diagram provided on the back of the device and in the illustration below. Ensure all connections are secure.

चित्र १: Technical drawing showing the dimensions of the AVATTO Smart Thermostat and its back panel with wiring terminals. A suitable wall mounting box is also depicted.
नोट: This thermostat supports electric actuators with a voltage range of 110 to 240 volts. When used with a gas or oil boiler, the thermostat initiates boiler operation to provide hot water for heating when the room temperature falls below the set point.
४.३ एप स्थापना र वाइफाइ जोडा बनाउने
- Download the "Smart Life" or "Tuya Smart" app from your smartphone's app store (iOS or Android).
- एप भित्र आफ्नो खातामा दर्ता गर्नुहोस् वा लग इन गर्नुहोस्।
- Add a new device by selecting "Add Device" or the "+" icon. Choose "Thermostat" or "Heater" from the device list.
- On the thermostat, press and hold the WiFi button (often indicated by a WiFi icon or a specific button for 5-10 seconds) until the WiFi indicator on the thermostat starts flashing rapidly. This indicates pairing mode.
- Follow the on-screen instructions in the app to connect the thermostat to your 2.4GHz WiFi network.
- Once connected, the WiFi indicator on the thermostat will become solid, and you can control the device via the app.

चित्र १: A user interacting with the "Smart Life" app on a smartphone to remotely control the thermostat, highlighting the convenience of app-based management.
4. सञ्चालन निर्देशनहरू
२.२ म्यानुअल मोड
In Manual Mode, you can set the desired temperature directly on the thermostat or via the app. The thermostat will maintain this temperature until you change it or switch to another mode.
4.2 प्रोग्राम योग्य मोड
The thermostat supports flexible programming schedules to optimize energy consumption and comfort. You can choose between 5+2 (weekdays + weekend), 6+1 (weekdays + Sunday), or 7-day programming.
- Weekday Programming: Up to 6 different temperature settings per day.
- Weekend Programming: Up to 2 different temperature settings per day.
Access the programming settings through the "Program" or "Schedule" option in the app or directly on the thermostat's menu.
4.3 आवाज नियन्त्रण
Integrate your AVATTO thermostat with Amazon Alexa or Google Home for convenient voice commands.
- Ensure your thermostat is successfully paired with the "Smart Life" or "Tuya Smart" app.
- एलेक्सा वा गुगल होम एप खोल्नुहोस्।
- "स्मार्ट लाइफ" वा "तुया स्मार्ट" सीप/सेवा सक्षम गर्नुहोस्।
- उपकरणहरू पत्ता लगाउनुहोस्। तपाईंको थर्मोस्ट्याट देखा पर्नु पर्छ।
- You can now use commands such as:
- "एलेक्सा, [थर्मोस्टेट नाम] २२ डिग्रीमा सेट गर।"
- "Hey Google, what is the temperature in [Thermostat Name]?"
- "एलेक्सा, [थर्मोस्टेट नाम] खोल्नुहोस्।"

चित्र १: An illustration demonstrating the voice control capability of the thermostat, showing interaction with Amazon Alexa and Google Home devices.
4.4 तापक्रम क्यालिब्रेसन
If there is a discrepancy between the actual room temperature and the temperature displayed on the thermostat, you can calibrate it. This feature is typically found in the advanced settings menu on the thermostat or within the app. Adjust the offset value until the displayed temperature matches a reliable external thermometer.
4.5 स्क्रिनको चमक समायोजन
The screen brightness can be adjusted to your preference, from a percentage value to completely off, to avoid disturbance, especially during sleep. This setting is accessible through the thermostat's menu or the app.

चित्र १: A visual representation of the screen brightness adjustment feature, showing different brightness levels from 0% to 100% and its impact on visibility.
4.6 Child Lock and Antifreeze
- बाल लक: Activate this feature to prevent accidental changes to the thermostat settings. It can be enabled/disabled via the app or by a specific button combination on the thermostat.
- एन्टीफ्रिज प्रकार्य: This feature automatically activates heating if the room temperature drops below a preset minimum (e.g., 5°C) to prevent pipes from freezing.

चित्र १: An image illustrating the precise temperature control capabilities of the thermostat, including minimum temperature setting, temperature hysteresis, and upper/lower temperature limits.
5. मर्मतसम्भार
The AVATTO Smart WiFi Thermostat requires minimal maintenance.
- सरसफाई: स्क्रिन पुछ्नुहोस् र casing with a soft, dry cloth. Do not use abrasive cleaners, solvents, or spray liquids directly onto the device.
- अवरोधहरूबाट बच्नुहोस्: Ensure the thermostat is not covered by furniture, curtains, or other objects that could obstruct its temperature sensor.
T. समस्या निवारण
यदि तपाईंले आफ्नो थर्मोस्ट्याटमा समस्याहरू सामना गर्नुभयो भने, निम्न सामान्य समस्याहरू र समाधानहरू हेर्नुहोस्:
| समस्या | सम्भावित कारण | समाधान |
|---|---|---|
| Thermostat not connecting to WiFi. | Incorrect WiFi password, 5GHz network, weak signal, or thermostat not in pairing mode. |
|
| Heating not turning on/off as expected. | Incorrect wiring, thermostat in manual mode with wrong setting, programming schedule conflict, or faulty actuator/boiler. |
|
| Displayed temperature is inaccurate. | Thermostat sensor offset, or external factors affecting sensor reading. |
|
| App shows incorrect temperature or status. | App synchronization issue, outdated app version, or server communication problem. |
|
7. निर्दिष्टीकरणहरू
| ब्रान्ड | AVATTO |
| मोडेल | WT400S-3A-B |
| रङ | सेतो |
| आयामहरू | ३७ x १७ x १७ सेमी |
| वजन | 200 ग्राम |
| वाटtage | 1200 वाट |
| भोल्युमtage | ५ भोल्ट (एसी) |
| सामग्री | प्लास्टिक |
| विशेष सुविधाहरू | Amazon Alexa, Smart Life App, Google Assistant, Child Protection, Programmable |
| नियन्त्रक प्रकार | Amazon Alexa, Google Assistant, Button |
8. वारेन्टी र समर्थन
For warranty information and technical support, please refer to the documentation included with your purchase or contact your retailer. You may also visit the official AVATTO website for further assistance and updated information.





