Introduction
The AVATTO Smart Thermostat is an intelligent digital temperature control device designed to manage your water or gas boiler heating system. It compares the ambient room temperature with your desired set temperature, automatically controlling the boiler to maintain a comfortable environment while promoting energy efficiency. This thermostat is available in both WiFi and ZigBee versions, offering flexible connectivity options for smart home integration.
The thermostat's internal components, highlighting the battery compartment for three 1.5V AA batteries.
Safety Information
- Always disconnect power before installation or maintenance to prevent electric shock.
- Installation should be performed by a qualified electrician or trained personnel.
- Ensure all wiring connections are secure and comply with local electrical codes.
- Do not expose the device to excessive moisture, dust, or extreme temperatures.
- Use only the specified battery type (3*1.5V AA batteries).
Package Contents
Please check the package for the following items:
- AVATTO Smart Thermostat Unit
- Mounting Screws
- User Manual (this document)
Note: 3x AA batteries are not included and must be purchased separately.
Specifications
| Feature | Detail |
|---|---|
| Power | 3*1.5V AA batteries |
| Current Load | 3A |
| Temperature Sensor | NTC |
| Temperature Accuracy | ±0.5℃ |
| Set Temperature Range | 5-95℃ |
| Display Temperature Range | 5-99℃ |
| Ambient Temperature | 0-50℃ |
| Ambient Humidity | 5-95%RH (Non-condensing) |
| Storage Temperature | -5-45℃ |
| Power Consumption | <0.3W |
| Timing Error | <1% |
| Shell Material | PC+ABS (Flame retardant) |
| Protection Class | IP20 |
| Buttons | Capacitive Touch Buttons |
| Connectivity | WiFi (Tuya WXU module) or ZigBee |
| Voice Control | Yandex Alice, Alexa, Google Home |
Physical dimensions of the thermostat unit.
Setup
1. Battery Installation
- Open the back cover of the thermostat.
- Insert three 1.5V AA batteries, ensuring correct polarity.
- Close the back cover securely.
Illustrates the battery-powered design, simplifying installation by eliminating the need for separate AC power wiring.
2. Mounting
- Choose a suitable location on an interior wall, away from direct sunlight, drafts, or heat sources.
- Use the provided screws to securely mount the thermostat's backplate to the wall.
- Attach the thermostat unit to the mounted backplate.
3. Wiring Diagram (for Water/Gas Boiler)
The thermostat is designed for passive linkage with wall-mounted furnace COM and N terminals. Refer to the diagram below for typical wiring connections. Always consult a qualified electrician if you are unsure about wiring.
Wiring diagram for connecting the thermostat to a water/gas boiler. Typically, the COM and NO terminals are used for switching the boiler.
4. App Installation & Network Connection
The AVATTO Smart Thermostat works with the Tuya Smart or Smart Life app.
- Download the 'Tuya Smart' or 'Smart Life' app from your smartphone's app store (iOS or Android).
- Register or log in to your account.
- For WiFi Version: On the thermostat, press and hold the temperature UP button (▲) for approximately 5 seconds until the WiFi icon flashes rapidly. In the app, tap '+' to add a device, then select 'Small Home Appliance' > 'Thermostat (Wi-Fi)'. Follow the in-app instructions to connect to your 2.4GHz WiFi network.
- For ZigBee Version: Ensure you have a ZigBee gateway (hub) connected to your network. On the thermostat, press and hold the temperature UP button (▲) for approximately 5 seconds until the ZigBee icon flashes. In the app, add your ZigBee gateway first, then add a sub-device and select 'Thermostat (ZigBee)'. Follow the in-app instructions to pair with your gateway.
Remote control and setup via the Smart Life/Tuya app.
Operating Instructions
1. Basic Controls
The thermostat features capacitive touch buttons for operation:
- Power Button (Ⓧ): Press to turn the thermostat ON/OFF.
- Mode Button (M): Press to cycle through different operating modes (e.g., Manual, Auto, Temporary Manual).
- Up Button (▲): Increase temperature, navigate menus, or confirm settings.
- Down Button (▼): Decrease temperature, navigate menus, or cancel settings.
2. Temperature Adjustment
In Manual mode, use the Up (▲) and Down (▼) buttons to adjust the desired set temperature. The display will show the current room temperature and the set temperature.
Detailed view of the thermostat display, showing options for precise temperature control.
3. Programming Modes (Weekly Programmable)
The thermostat supports weekly programming with options for 5+2 days, 6+1 days, or 7 days. You can set up to 6 time slots on weekdays and 2 time slots on rest days, each with a different temperature setting.
Highlights the weekly programmable feature for custom heating schedules.
To enter programming mode, typically press and hold the 'M' button. Use the Up/Down buttons to adjust time periods and temperatures. Refer to the detailed instructions in the app for advanced scheduling.
4. APP Remote Control
Once connected to the Tuya Smart or Smart Life app, you can:
- Adjust temperature remotely.
- Set and modify weekly schedules.
- Monitor current room temperature.
- Access advanced settings like child lock, sensor selection, and frost protection.
5. Voice Control
The thermostat is compatible with Yandex Alice, Amazon Alexa, and Google Home. After linking your Tuya/Smart Life account to your voice assistant, you can use commands like:
- "Alexa, set thermostat to 22 degrees."
- "Hey Google, what's the temperature in the living room?"
- "Alice, turn on the heating."
6. Advanced Settings (via App or Device)
- Child Lock: Enables/disables physical input on the device to prevent accidental changes.
- Sensor Selection: Choose to use the internal sensor, an external floor sensor, or both for temperature readings.
- System Mode: Switch between 'off' and 'heat' modes.
- Frost Protection: An antifreeze function that automatically turns on heating if the temperature drops below a set point to prevent pipes from freezing.
- Backlight Mode: Adjust the intensity or duration of the display backlight.
Maintenance
1. Cleaning
Wipe the thermostat's surface with a soft, dry cloth. Do not use abrasive cleaners, solvents, or wet cloths, as these can damage the device.
2. Battery Replacement
When the battery indicator on the display shows low power, replace all three 1.5V AA batteries promptly. Ensure correct polarity during replacement.
Note: The USB-C port on the device is for power supply only and does not recharge installed batteries.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Thermostat does not turn on | No batteries, incorrect battery installation, or faulty batteries. | Check battery installation and replace with fresh 1.5V AA batteries. Ensure correct polarity. |
| Cannot connect to WiFi/ZigBee network | Incorrect pairing mode, wrong network (e.g., 5GHz WiFi), or weak signal. | Ensure the thermostat is in pairing mode (flashing WiFi/ZigBee icon). Confirm you are connecting to a 2.4GHz WiFi network. For ZigBee, ensure the gateway is online and in pairing mode. Try moving the thermostat closer to the router/gateway. |
| Temperature reading seems inaccurate | Thermostat location affected by drafts/heat, or sensor calibration needed. | Relocate the thermostat if possible. Use the app to calibrate the temperature offset if available. Consider using an external sensor for more precise readings. |
| Heating does not turn on/off | Incorrect wiring, thermostat in OFF mode, or boiler issue. | Verify wiring connections (COM and NO terminals). Ensure the thermostat is in 'heat' mode and not 'off'. Check your boiler for any error codes or issues. |
| Display turns off too quickly | Default display timeout setting. | Check app settings for display backlight duration or always-on options. Some models may not support an always-on display to conserve battery. |
User Tips
- Battery Life: The ZigBee version is generally more energy-efficient than the WiFi version, leading to longer battery life, especially when primarily controlled via the app.
- App Control for Ease: While the touch buttons are functional, many users find the Tuya/Smart Life app easier and more intuitive for setting schedules and making adjustments, especially for complex programming.
- Temperature Calibration: If you notice a discrepancy between the thermostat's reading and another thermometer, you might need to adjust the temperature calibration offset within the Tuya/Smart Life app settings.
- External Sensor: For faster temperature response or more accurate floor heating control, consider utilizing an external temperature sensor if your setup allows.
- Home Assistant Integration: The ZigBee version is reported to work well with Home Assistant via Zigbee2MQTT, offering advanced automation possibilities.
Warranty and Support
For warranty claims, technical support, or further assistance, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
For additional guides and documents, you may refer to the official PDF manual: View User Manual (PDF)