1. Introduction
The EARUELETRIC Tuya WiFi Smart Thermostat (Model EAST2) is an intelligent digital thermostat designed for precise room temperature control in floor heating systems, including electric floor heating, water heating, and gas boiler applications. It utilizes microcomputer control technology and features a full-screen touch display for elegant design and ease of use. This thermostat offers both manual and automatic operating modes, programmable functions, status memory, and a child lock feature. For WiFi-enabled models, it can connect to the Tuya Smart Life app, Google Home, and Amazon Alexa, providing real-time weather and humidity information, and remote control capabilities to enhance comfort and achieve energy-saving goals.
2. Safety Information
Please read all instructions carefully before installation and operation. Improper installation or use can lead to electrical shock, fire, or damage to the device. Always disconnect power at the circuit breaker before performing any wiring or maintenance. Installation should be performed by a qualified electrician in accordance with local electrical codes and regulations.
- Ensure the power supply voltage matches the thermostat's specifications (AC90-240V).
- Do not expose the thermostat to water or excessive humidity.
- Keep out of reach of children unless the child lock function is activated.
- Do not attempt to repair or modify the thermostat yourself. Contact qualified personnel for service.
3. Package Contents
Verify that all items are present in your package:
- 1 x Thermostat
- 1 x Sensor Probe (Note: Only 16A electric floor heating models include a sensor cable)
- 2 x Screws
- 1 x User Manual

4. Product Overview
The EAST2 thermostat features a sleek design with a full-screen LED display and touch buttons. It offers various functions for optimal heating control.
4.1. Display Features (WiFi Model)

The WiFi model display includes:
- Room Temperature: Current ambient temperature.
- Set Temperature: Desired temperature.
- Time Display: Current time.
- Energy Saving Mode: Indicates active energy-saving settings.
- Mode Selection: Allows switching between different operating modes.
- Clock Settings: Access time and date settings.
- On/Off: Power button.
- Up/Down Key: Adjust settings and temperature.
- Child Lock: Prevents accidental changes.
- Humidity Display: Shows current humidity.
- Underfloor Heating: Indicates heating is active.
- Real Time Weather Icons:
- ❄️❄️❄️ Blizzard
- 🌧️ Rainstorm
- 💨 Dust-Storm
- 🌫️ Fog
- ⛈️ Thunderstorms With Hail
- ☀️ Sunny
- 🌧️ Rainy
- 🚿 Shower
- ☁️ Overcast
- 💧 Vapors
- ☁️ Cloudy
- 🌨️ Rain and Snow
- 🌨️ Sleet
4.2. Display Features (No WiFi Model)

The No WiFi model display includes:
- Child Lock: Prevents accidental changes.
- Room Temperature: Current ambient temperature.
- Set Temperature: Desired temperature.
- Time Display: Current time.
- Energy Saving Mode: Indicates active energy-saving settings.
- Mode Selection: Allows switching between different operating modes.
- Clock Settings: Access time and date settings.
- On/Off: Power button.
- Up/Down Key: Adjust settings and temperature.
- Underfloor Heating: Indicates heating is active.
- Program: Access programming settings.
- Mode Manual: Manual operating mode.
4.3. Key Features

- Stylish Design
- WiFi Transfer (for WiFi models)
- Full Screen Display
- Touch Buttons
- Manual/Automatic Modes
- Memory Function
5. Setup
5.1. Installation Steps
This product is installed using standard 86mm wall mounting box (in compliance with European regulations).

- Install expansion screw cartridges with a spacing of 60mm on the wall.
- Use a screwdriver to separate the upper and lower covers. According to the wiring direction, thread the wires through the back cover to the wire slot, leaving approximately 20CM long according to the actual situation.
- Fix the bottom shell to the wall with screws, and finally secure the wires to cover the front shell on the bottom shell.
- Align the buckle with a 30-degree angle and fasten it securely.
5.2. Wiring Diagrams
Ensure correct wiring based on your thermostat model (3A or 16A) and heating system type (water heating, gas boiler, or electric heating). Incorrect wiring can damage the device or cause safety hazards.
5.2.1. 3A Models (Water Heating / Gas Boiler)

For Water Heating (3A):
- Connect L (Live) and N (Neutral) from AC90-240V power supply to terminals 1 and 2 respectively.
- For NO type control output, connect terminals 3 and 4 to the actuators.
- For NC type control output, connect terminals 3 and 4 to the actuators.
For Gas Boiler (3A):
- Connect L (Live) and N (Neutral) from AC90-240V power supply to terminals 1 and 2 respectively.
- Connect terminals 3 and 4 to the dry contact of the boiler.
5.2.2. 16A Models (Electric Heating)
For 16A electric heating models, the wiring will typically involve connecting the live and neutral wires from the power supply and to the electric heating element. These models usually include an external sensor probe for floor temperature measurement. Refer to the detailed wiring diagram provided in the physical manual for specific connections.
5.3. WiFi Networking Operation (for WiFi Models)
To connect your WiFi thermostat to the Tuya Smart Life app:
- Ensure your thermostat is powered on.
- Open the Tuya Smart Life app on your smartphone.
- Press and hold the power button on the thermostat until the WiFi icon starts blinking rapidly, indicating pairing mode.
- In the app, tap 'Add Device' and follow the on-screen instructions to discover and add your thermostat.
- Enter your WiFi network credentials when prompted.
- Once connected, the WiFi icon on the thermostat will become solid.
6. Operating Instructions
6.1. Basic Button Functions

- Power ON/OFF: Click the power button to turn the thermostat on or off.
- Adjust Time: Press and hold the time button and the up or down button simultaneously to adjust the time.
- Child Lock: Long press the child lock icon to enable or disable the child lock. When active, it prevents unauthorized changes to settings.
- Advanced Options Settings: In shutdown state, simultaneously press the 'Mode Selection' button and the 'Down' key for 5 seconds to enter advanced option settings. Use the 'Mode Selection' button to navigate to the next option, 'Up' and 'Down' keys to make adjustments, and the power key to exit.
- Timed Shutdown: Long press the power button in power-on mode to activate Timed Shutdown.
- Timed Startup: Long press the power button in shutdown mode to activate Timed Startup.
- Programming Time: In shutdown mode, long press the 'Mode Selection' button to enter programming.
6.2. Mode Selection
The thermostat supports different operating modes:
- Underfloor Heating Energy-Saving Mode: Optimizes heating for energy efficiency.
- Underfloor Heating Manual Mode: Allows manual temperature adjustments.
- Automatic Mode of Underfloor Heating: Follows programmed schedules.
6.3. Programming Instructions for Time Periods
The thermostat offers programmable functions for different time periods. For models without WiFi, programming is done directly on the panel. For WiFi models, programming can be done via the app.
6.3.1. Panel Settings (No WiFi Models)
In shutdown state, long press the 'Mode Selection' button to enter system programming mode. Use the 'Mode Selection' button to switch time and temperature modes. Press 'Up' or 'Down' to adjust the parameters of each option. Press the power key to exit.

Workday Schedule:
| Key | Option | Icon | Adjust The Time | Default Value | Adjust The Temperature |
|---|---|---|---|---|---|
| 1 | 🏠 | 06:00 | 20°C | ▲ / ▼ | |
| 2 | 🛌 | 08:00 | 15°C | ▲ / ▼ | |
| 3 | 🍽️ | 11:30 | 15°C | ▲ / ▼ | |
| 4 | 🛋️ | 12:30 | 15°C | ▲ / ▼ | |
| 5 | 🚶 | 17:00 | 22°C | ▲ / ▼ | |
| 6 | 🌙 | 22:00 | 15°C | ▲ / ▼ |
Holiday Schedule:
| Key | Option | Icon | Adjust The Time | Default Value | Adjust The Temperature |
|---|---|---|---|---|---|
| 1 | 🏠 | 08:00 | 22°C | ▲ / ▼ | |
| 2 | 🌙 | 23:00 | 15°C | ▲ / ▼ |
6.3.2. APP Settings (WiFi Models)
For WiFi models, programming schedules can be conveniently set and adjusted through the Tuya Smart Life app. The app allows for detailed weekday and day-off settings, including specific times and target temperatures for multiple periods.
6.4. Advanced Options Settings
Advanced settings allow for fine-tuning of the thermostat's behavior. These settings are typically accessed by pressing and holding specific keys in shutdown state (refer to section 6.1).
| Number | Advanced Option Name | Default | Option range |
|---|---|---|---|
| 1 | Temperature calibration | -2°C | -9~9°C |
| 2 | NTC select | IN | IN;O:IN;OUT;2:ALL |
| 3 | High temperature protection | 60°C | 5~60°C |
| 4 | Temperature difference start | 0.5°C | 0.5~9°C |
| 5 | Low temperature protection | On | 0:On;1:Off |
| 6 | Time programming | 5+2 | 0:Off;1:5+2;2:6+1;3:7 |
| 7 | Maximum set temperature | 40°C | 5~60°C |
| 8 | Minimum set temperature | 10°C | 5~20°C |
| 9 | Restore Factory | - | - |
| 10 | Backlight brightness | 01 | 0-08 |
| 11 | Voice room settings | 1 | 1-6 |
| 12 | Button brightness adjustment | 07 | 01-08 |
| 13 | Energy saving mode temperature regulation | 18 | 5~60°C |
6.5. Backlight Adjustment
The backlight brightness can be adjusted through advanced settings or via the app. In shutdown state, simultaneously press the 'Mode Selection' button and the 'Down' key for 5 seconds to enter advanced options. Navigate to the backlight brightness setting (Number 10) and adjust using the 'Up' and 'Down' keys.

6.6. Child Lock Function
The child lock feature prevents unauthorized changes to the thermostat settings. It can be activated or deactivated by a long press on the child lock icon on the thermostat or through the app settings.

7. Maintenance
- Clean the thermostat screen and casing with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Ensure the thermostat is free from dust and debris to maintain optimal performance.
- Regularly check wiring connections for any signs of wear or looseness.
8. Troubleshooting
If you encounter issues with your thermostat, try the following steps:
- No Power/Display: Check the circuit breaker and ensure the thermostat is correctly wired to the power supply.
- Incorrect Temperature Reading: Verify the temperature calibration in advanced settings. Ensure the sensor is properly installed and not obstructed.
- WiFi Connectivity Issues: Ensure your WiFi network is 2.4GHz. Restart your router and the thermostat. Re-attempt the WiFi networking operation as described in section 5.3.
- Thermostat Not Responding: Try a factory data reset via the advanced settings (Option 9). Note that this will erase all custom settings.
- Heating Not Activating: Check the set temperature is higher than the current room temperature. Verify the wiring to your heating system (actuators/boiler).
9. Specifications
| Attribute | Value |
|---|---|
| Model Number | EAST2 |
| Wattage | 100-240V |
| Certification | CE |
| Origin | Mainland China |
| Brand Name | EARUELETRIC |
| Smart Phone Compatibility | Android / iOS (Tuya Smart Life App) |
| Power Supply | AC90-240V, 50/60Hz |
| Sensor | NTC10kB 25/50:3950K |
| Current Load | 16A (Electric Heating) / 3A (Water/Gas Boiler) |
| Accuracy | ±1℃ |
| Set Temp Range | 5-60℃ |
| Self Consumption Power | less than 1W |
| Shell Material | PC+ABS (flame retardant) |
| Screen | LCD |
| Floor Heating Part Type | Floor Heating Thermostats |
| Compatibility | All Compatible (Google Home, Alexa) |
| Size | 86*86*40mm |
| Function 1 | Real Time Weather |
| Function 2 | Time Display |
| Working Environment | -5~50℃ |
| Display Range | 0-50℃ |
| Changes in Celsius | ±0.5℃ |

10. User Tips
- Boiler Connection: When connecting to a gas boiler, ensure you use the dry contact terminals (typically labeled NO/NC) as shown in the wiring diagram for 3A models. If unsure, consult a professional electrician.
- App Control: For WiFi models, leverage the Tuya Smart Life app for advanced programming, remote control, and monitoring. This offers greater flexibility than manual panel programming.
- Sensor Selection: In advanced settings, ensure the correct sensor type (IN/OUT/ALL) is selected based on your installation (internal sensor, external floor sensor, or both).
11. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the contact details provided with your purchase or visit the manufacturer's official website. Keep your purchase receipt as proof of purchase.





