1. Kupu Whakataki
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. Nga korero haumaru
- Always disconnect power to the heating system before installing or servicing the thermostat.
- Installation should be performed by a qualified electrician or heating technician.
- Kaua e tukuna te whakamaarama ki te wai, ki te makuku nui ranei.
- Me whakarite kia mau nga hononga waea katoa me te whai ki nga waehere hiko o te rohe.
- Puritia ngā pākahiko kia kore e taea e ngā tamariki te toro atu. Me maka atu ngā pākahiko kua whakamahia me te whakaaro nui.
3. Ihirangi mokete
Manatokona kei roto katoa nga mea kei roto i to kete:
- AVATTO WT400-16A-B Thermostat Unit
- Pukapuka Kaiwhakamahi
- Whakapiki Tiu (2 pcs)
- NTC Sensor Cable (3 meters)
4. Hua Neke Atuview
4.1 Nga waahanga matua
- Mana WiFi Atamai: Connects directly to 2.4 GHz Wi-Fi for remote control via smartphone app.
- Mana Reo: Hototahi ki te Amazon Alexa me te Kaiawhina a Google mo te mahi kore-ringa.
- Ngā Hōtaka Whakahōtaka: Offers 6 distinct heating programs for weekdays and 2 for weekends, optimizing energy use.
- Ngā Mahi Whakamahana me te Whakamatao: Supports both heating and cooling modes for year-round comfort.
- Whakaaturanga LCD Nui: A 4.6-inch screen clearly shows room temperature, set temperature, operating status, battery level, day, and time.
- Tāutatanga ngawari: Designed for surface mounting with potential-free output (NO, NC, COM).
- Kōwhiringa Hiko Takirua: Operates on AAA batteries with an optional Type-C power input.
4.2 Whakaatu me nga Mana
The thermostat features a clear LCD screen and an intuitive rotary knob for adjustments.
4.3 Hototahi
This thermostat is designed for use with water heaters and gas boilers that have dry contact connections. Ko te 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. Tatūnga
5.1 Tāuta
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.
- Momotu Mana: Turn off the main power supply to your heating system at the circuit breaker.
- Maunga te Papamuri: Detach the front panel of the thermostat from its backplate. Secure the backplate to the wall using the provided screws.
- Waea waea: 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.
- Āpiti Paewhiri Mua: 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 Tuku Hiko
The thermostat can be powered by three AAA batteries or via a Type-C USB connection.
- Tāuta Pūhiko: 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 Hononga WiFi
To enable smart features, connect your thermostat to your home's 2.4 GHz Wi-Fi network.
- Tikiake App: Download and install the 'Smart Life' or 'AVATTO' app from your smartphone's app store.
- Rēhita/Takiuru: Waihangahia he kaute, takiuru ranei ki te taupānga.
- Tāpiri Pūrere: In the app, select 'Add Device' or the '+' icon. Choose 'Thermostat' or 'Heating Control'.
- Aratau takirua: 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).
- Tūhono ki Wi-Fi: Ensure your mobile phone is connected to your home's 2.4 GHz Wi-Fi network. Enter your Wi-Fi password in the app.
- Whakaotia te Tatūnga: The app will guide you through the final steps to connect the thermostat.
6. Nga Tohutohu Whakahaere
6.1 Mahi Taketake
- Hiko Whakaka/Weto: Pēhia te pātene hiko hei whakakā, whakaweto rānei i te whakamatao.
- Whakaritea te Mamahana: Rotate the knob to set your desired room temperature. The display will show both the current room temperature and the set temperature.
6.2 Ngā Aratau Ka Taea te Whakahōtaka
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 Mana Taupānga
Control your thermostat remotely using the Smart Life or AVATTO app.
- Whakaritea Maama Mamao: Change the set temperature from anywhere.
- Whakahaere Apiti: Easily create, modify, or disable heating schedules.
- Whakawhiti Aratau: Switch between heating and cooling modes.
- Tiri Pūrere: Share control of the thermostat with family members.
6.4 Mana Reo
Integrate your thermostat with Amazon Alexa or Google Assistant for convenient voice commands.
- Te Hononga i ngā Pūkete: Follow the instructions in the Smart Life/AVATTO app to link your account with Alexa or Google Assistant.
- Tono Reo: Whakamahia ngā whakahau pēnei i:
- "Alexa, whakatakotoria te [Ingoa Whakamahana] ki te 22 nekehanga."
- "E Google, he aha te pāmahana i [Ingoa Rūma]?"

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.
- Kōwhiringa Aratau: 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.
- Paemahana Tepe: 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. Tiaki
7.1 Whakakapinga Pūhiko
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. Te Raru
Mena ka raru koe ki to whakamaarama, tirohia nga raru me nga otinga e whai ake nei:
| Raruraru | Te Take Taea / Rongoa |
|---|---|
| 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. |
| Kāore i te tika te pāmahana e whakaaturia ana. | 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. |
| Kaore e taea te hono ki Wi-Fi. | 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. Whakatakotoranga
- Waitohu: AVATTO
- Tau tauira: WT400-16A-B (also referred to as WT580)
- Tae: Pango
- Dimensions (Thermostat): Tata ki te 13.3 x 8.6 x 2.5 cm
- Taumaha Tūemi: 270 karamu
- Power Output (Heating System): Tae atu ki te 3800 Watts
- Voltage: 240 Volts (AC)
- Rauemi: Kirihou
- Power Source (Thermostat): 3 x AAA Batteries (sold separately), optional Type-C USB
- Hononga: Wi-Fi (2.4 GHz), Nihokikorangi
- Momo Kaitatau: Amazon Alexa, Kaiawhina a Google
- Nga waahanga motuhake: 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.
- Specific Product Uses: Water heaters and gas boilers with dry contact.
10. Pūtāhui me te Tautoko
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.





