AVATTO WT100-16A
AVATTO Smart WiFi Thermostat User Manual
Model: WT100-16A
For Electric Floor Heating Systems
Product Overview
The AVATTO Smart WiFi Thermostat is designed for electric floor heating systems, offering precise temperature control and smart home integration. It features a 4.5-inch LCD touchscreen display for easy interaction and can be remotely controlled via the "Smart Life" or "Tuya" application. This thermostat supports voice control through Amazon Alexa and Google Home, providing convenient management of your home's heating.
Equipped with both an internal sensor and a floor sensor, it ensures accurate temperature detection with a precision of 0.1°C or 0.5°C. The device also includes programmable weekly schedules (5+1+2 periods) to maximize comfort and energy efficiency. Additional features include power-off protection, data memory, child lock, anti-freeze function, and high-temperature protection.

Image: The AVATTO Smart WiFi Thermostat with its accompanying smartphone application, demonstrating remote control capabilities.

Image: An overview of the AVATTO Smart Thermostat highlighting key features such as APP Control, Voice Control, Week Program, Child Lock, and Multi-modes.
Setup and Installation
Before installation, ensure the main power supply is turned off to prevent electrical shock. It is recommended that installation be performed by a qualified electrician.
Package Contents
Verify that all components are present in the package:
- 1 x AVATTO Smart WiFi Thermostat
- 2 x Mounting Screws
- 1 x User Manual
- 1 x NTC External Sensor (3m cable)

Image: Illustration of the package contents for the WT100-16A model, including the thermostat, packing box, instruction manual, two screws, and a 3m external sensor.
Wiring Diagram
Follow the wiring diagram carefully for proper connection. This model is designed for electric floor heating systems (16A).

Image: Detailed wiring diagram for the AVATTO Smart WiFi Thermostat, showing connections for neutral wire, live wire, and load for electric floor heating systems.
Wiring Terminals:
- L & N: Power supply (100-240V AC, 50/60Hz)
- N1 & L1: Load connection for electric heating
- 6 & 7: External NTC sensor connection
Mounting
The thermostat is designed to fit into a standard wall mounting box. Ensure the box dimensions are compatible with the thermostat's dimensions (86 x 86 x 30 mm).

Image: Diagram showing the dimensions of the AVATTO Smart WiFi Thermostat and suitable wall mounting box types.
Operating Instructions
The AVATTO Smart WiFi Thermostat offers multiple ways to control your heating system.
Thermostat Display and Controls

Image: The AVATTO Smart WiFi Thermostat display. Key controls include the 'M' button for mode selection, power button for on/off, and up/down arrows for temperature adjustment. The screen shows time, current room temperature, set temperature, and various indicators like Wi-Fi status and child lock.
- Time/Week Display: Shows current time and day.
- Room Temp: Displays the current ambient temperature.
- Setting Temp: Shows the desired temperature.
- Heating Display: Indicates when the heating system is active.
- Child Lock: Prevents unauthorized changes to settings.
- Touch Keys: M (Mode), Power (On/Off), Up, Down.
APP Remote Control
Download the "Smart Life" or "Tuya" application from your smartphone's app store. Follow the in-app instructions to connect your thermostat to your home Wi-Fi network (2.4 GHz only). Once connected, you can control the thermostat remotely from anywhere.

Image: A user controlling the AVATTO Smart WiFi Thermostat remotely via the Smart Life/Tuya app on their smartphone, emphasizing the convenience of remote operation.
Voice Control (Alexa & Google Home)
The thermostat is compatible with Amazon Alexa and Google Home. After linking your Smart Life/Tuya account with your voice assistant, you can use simple voice commands to adjust settings. For example, "Alexa, please set the thermostat to 23°C" or "Hey Google, turn off the thermostat."

Image: The AVATTO Smart WiFi Thermostat displayed alongside Amazon Alexa and Google Home devices, illustrating its compatibility with voice control systems.
Programmable Schedules
The thermostat supports a 5+1+2 programmable schedule, allowing you to set different temperatures for up to seven periods each day. This feature helps optimize energy consumption and comfort.

Image: A visual representation of the thermostat's programmable schedule feature, showing different temperature settings for various times of the day.
To set a schedule:
- Access the programming settings via the thermostat's interface or the Smart Life/Tuya app.
- Select the day of the week you wish to program.
- Set the desired time and temperature for each of the available periods.
- Save your settings.
Advanced Functions
- Manual Temperature Calibration: Adjust the temperature reading if needed.
- Child Safety Lock: Activate to prevent children from changing settings.
- Anti-freeze Function: Automatically maintains a minimum temperature to prevent pipes from freezing.
- High-Temperature Protection: Shuts off heating if temperature exceeds a safe limit.
- Power-off Memory: Retains settings even after a power outage.
Maintenance
The AVATTO Smart WiFi Thermostat requires minimal maintenance. To ensure optimal performance and longevity:
- Cleaning: Gently wipe the screen and casing with a soft, dry cloth. Avoid using abrasive cleaners or solvents, as they may damage the display or finish.
- Sensor Care: Ensure the external floor sensor is not obstructed or damaged.
- Software Updates: Keep the Smart Life/Tuya app updated to the latest version for new features and performance improvements.
No user-serviceable parts are inside the thermostat. Do not attempt to open or repair the device yourself.
Troubleshooting
If you encounter issues with your AVATTO Smart WiFi Thermostat, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Thermostat not powering on. | No power supply or incorrect wiring. | Check main power switch. Verify wiring connections according to the manual. Consult a qualified electrician if unsure. |
| Cannot connect to Wi-Fi. | Incorrect Wi-Fi password, 5GHz network, or weak signal. | Ensure you are connecting to a 2.4 GHz Wi-Fi network. Double-check the Wi-Fi password. Move the thermostat closer to the router or improve Wi-Fi signal strength. |
| Temperature reading is inaccurate. | Sensor issue or need for calibration. | Ensure the external sensor is properly connected and not damaged. Use the manual temperature calibration feature in the settings if necessary. |
| Remote control via app not working. | No internet connection, app not logged in, or thermostat offline. | Check your home internet connection. Ensure the thermostat is connected to Wi-Fi and shows online in the app. Log out and log back into the app. |
| Voice control not responding. | Incorrect voice command, voice assistant not linked, or internet issue. | Verify the exact voice commands. Ensure your Smart Life/Tuya account is correctly linked to Alexa/Google Home. Check internet connection for both devices. |
If you continue to experience problems, please contact AVATTO customer service for assistance. Do not attempt to disassemble the thermostat.
Specifications
| Feature | Detail |
|---|---|
| Brand | AVATTO |
| Model Number | WT100-16A |
| Color | White |
| Dimensions (L x W x H) | 86 x 86 x 30 mm |
| Weight | 250 grams |
| Power Supply | 100-240V AC, 50/60Hz |
| Max Switching Power | 16A, 3600W |
| Material | Plastic |
| Temperature Precision | 0.1°C / 0.5°C |
| Connectivity | Wi-Fi (2.4 GHz) |
| Special Features | Alexa/Google Home Voice Control, Group Control, Family Sharing, Weekly Programmable, Smart Life/Tuya App, Child Lock, Anti-freeze, High-temperature Protection, Power-off Memory |
| Included Components | Thermostat, 2 Screws, User Manual, NTC External Sensor (3m) |
Warranty and Support
Warranty Information
Specific warranty details are not provided in this manual. Please refer to the product packaging or contact AVATTO customer service for warranty terms and conditions.
Customer Support
If you encounter any issues during the use of your AVATTO thermostat, please contact AVATTO customer service directly. They offer 24-hour service to assist you with any product-related inquiries or problems.
Contact Method: Please use the email contact method provided by Amazon or refer to the contact information in your product's packaging.
Note: Amazon customer service may not be able to resolve product-specific technical issues and may only advise returns or repurchases. For technical support, always contact AVATTO customer service.
Official Product Videos
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