1. Utangulizi
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. Bidhaa Imeishaview
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.
Sifa Muhimu:
- Utangamano: Suitable for water underfloor heating systems and gas/oil boilers. Supports electric actuators with 110-240V.
- Udhibiti Mahiri: WiFi connectivity for remote control via "Smart Life" or "Tuya Smart" apps.
- Udhibiti wa Sauti: Integrates with Amazon Alexa and Google Home for hands-free operation.
- Njia Zinazoweza Kupangwa: Offers 5+2, 6+1, or 7-day programming with multiple daily temperature settings.
- Urekebishaji wa Halijoto: Allows adjustment to match actual room temperature.
- Mwangaza wa Skrini Unaoweza Kurekebishwa: Customizable display brightness, including an option to turn it off completely.
- Kufuli ya Mtoto: Huzuia mabadiliko yasiyoidhinishwa kwa mipangilio.
- Kazi ya Kuzuia Kuganda: Protects pipes from freezing.

Kielelezo cha 2.1: The AVATTO Smart WiFi Thermostat displaying current temperature and time, alongside a smartphone showing the corresponding control app interface.

Kielelezo cha 2.2: 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.

Kielelezo cha 2.3: 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. Kuweka na Kuweka
3.1 Tahadhari za Usalama
- Ufungaji lazima ufanywe na fundi umeme aliyehitimu.
- Ensure power is disconnected at the main circuit breaker before installation.
- Usisakinishe katika damp mazingira.
3.2 Mchoro wa Wiring
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.

Kielelezo cha 3.1: 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.
Kumbuka: 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.
3.3 Usakinishaji wa Programu na Uoanishaji wa WiFi
- Download the "Smart Life" or "Tuya Smart" app from your smartphone's app store (iOS or Android).
- Sajili au ingia kwenye akaunti yako ndani ya programu.
- 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.

Kielelezo cha 3.2: A user interacting with the "Smart Life" app on a smartphone to remotely control the thermostat, highlighting the convenience of app-based management.
4. Maagizo ya Uendeshaji
Njia ya Mwongozo ya 4.1
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 Njia inayopangwa
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 Udhibiti wa Sauti
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.
- Fungua programu ya Alexa au Google Home.
- Enable the "Smart Life" or "Tuya Smart" skill/service.
- Discover devices. Your thermostat should appear.
- Sasa unaweza kutumia amri kama vile:
- "Alexa, set [Thermostat Name] to 22 degrees."
- "Hey Google, what is the temperature in [Thermostat Name]?"
- "Alexa, turn on [Thermostat Name]."

Kielelezo cha 4.1: An illustration demonstrating the voice control capability of the thermostat, showing interaction with Amazon Alexa and Google Home devices.
4.4 Urekebishaji wa Halijoto
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 Marekebisho ya Mwangaza wa Skrini
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.

Kielelezo cha 4.2: 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
- Kufuli ya Mtoto: 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.
- Kazi ya Kuzuia Kuganda: This feature automatically activates heating if the room temperature drops below a preset minimum (e.g., 5°C) to prevent pipes from freezing.

Kielelezo cha 4.3: An image illustrating the precise temperature control capabilities of the thermostat, including minimum temperature setting, temperature hysteresis, and upper/lower temperature limits.
5. Matengenezo
The AVATTO Smart WiFi Thermostat requires minimal maintenance.
- Kusafisha: Futa skrini na casing kwa kitambaa laini na kikavu. Usitumie visafishaji vya kukwaruza, miyeyusho, au kunyunyizia vimiminika moja kwa moja kwenye kifaa.
- Epuka Vikwazo: Ensure the thermostat is not covered by furniture, curtains, or other objects that could obstruct its temperature sensor.
6. Utatuzi wa shida
Ukikumbana na matatizo na kidhibiti joto chako, rejelea matatizo na suluhisho zifuatazo za kawaida:
| Tatizo | Sababu inayowezekana | Suluhisho |
|---|---|---|
| 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. Vipimo
| Chapa | AVATTO |
| Mfano | WT400S-3A-B |
| Rangi | Nyeupe |
| Vipimo | 10.5 x 9.8 x 6.7 cm |
| Uzito | gramu 200 |
| Wattage | 1200 watts |
| Voltage | Volti 240 (AC) |
| Nyenzo | Plastiki |
| Vipengele Maalum | Amazon Alexa, Smart Life App, Google Assistant, Child Protection, Programmable |
| Aina ya Kidhibiti | Amazon Alexa, Google Assistant, Button |
8. Udhamini na Msaada
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.





