GEYA Tuya Smart WiFi Electric Floor Heating Thermostat

1. Welcome & Application

Thank you for choosing the GEYA Tuya Smart WiFi Electric Floor Heating Thermostat. This intelligent digital thermostat is designed for precise room temperature control in floor heating systems, enhancing comfort and promoting energy efficiency.

It utilizes microcomputer control technology, features full-screen display touch buttons, and offers manual, automatic, programmable, and state memory functions.

2. Safety Information & User Notice

• Please read this manual carefully before installation and operation. Improper operation may damage the product or create hazardous situations.
• Installation must be performed by a well-trained and experienced service technician.
• After installation, operate the product strictly according to this user guide.
• CAUTION: Risk of electric shock or equipment damage. Always disconnect power before installation or maintenance.

3. Package Contents

Please check the box for the following items:

• Thermostat Main Unit: 1 PCS
• Compliance Certificate: 1 PCS
• Instruction Manual: 1 PCS
• Sensing Cable (optional): 1 PCS
• Screws: 2 PCS

4. Product Overview

The GEYA thermostat features a sleek design with a clear LCD and touch-sensitive buttons for easy interaction.

Figure 1: Thermostat Front View and Key Features
This image shows both white and black versions of the thermostat, highlighting features like intelligent programming, LED display, power-off memory, and APP control. A smartphone displaying the remote control interface is also shown.

Display & Icon Description

• Week Icon: Displays the current day of the week.
• Time Display: Shows the current time.
• Child Lock: Indicates if the child lock function is active.
• Heating Icon: Illuminates when the heating system is active.
• Function Keys: Touch-sensitive buttons for various settings.
• Power Button: To turn the thermostat on or off.

Figure 2: Temperature Control Capabilities
This image illustrates the thermostat's temperature ranges: Operation Temperature (5~40°C), Enable Antifreeze Function (-5°C), and Display Range (-5~90°C). It emphasizes accurate temperature control adjustable to 0.5°C.

5. Setup

5.1. Installation Steps

This product is designed for installation with a standard 86 control switch box (complies with EU regulations).

1. Prepare the Wall: Install screw anchors with a spacing of 60mm on the wall.
2. Separate Panels: Use a screwdriver to separate the upper and lower panels of the thermostat. Pass the wires through the back panel, leaving about 20 cm of length for connection.
3. Mount Back Panel: Fix the bottom panel securely to the wall with screws.
4. Connect Wires: Connect the electrical wires to the appropriate terminals on the back panel.
5. Attach Front Panel: Align the buckle of the front panel at a 30-degree angle and carefully snap it onto the bottom panel.

5.2. Wiring Diagram

Ensure correct wiring according to your heating system type. Refer to the diagram below.

Figure 3: Wiring Diagram for Water Heating (3A) and Gas Boiler (3A)
This diagram shows the terminal connections for AC90-240V power supply (L, N), control outputs (NO, NC, Dry contact 3A) for actuators in Water Heating systems, and Dry contact 3A for Gas Boilers. Terminals 6 and 7 are for the NTC sensor (not included for 3A models).

5.3. WiFi and Bluetooth Connection

Before using the WiFi thermostat for the first time, you must set up the WiFi signal and configuration via your smartphone or tablet.

1. APP Download: Search for "Tuya Smart" in your device's application store or scan the QR code provided in the original product packaging to download the app.
2. Sign Up: If you don't have a Tuya Smart account, create one by following the in-app registration process (email or phone number verification).
3. Add Devices (Bluetooth Connection):
   • Turn on Bluetooth on your smartphone.
   • Ensure your thermostat is powered on.
   • Open the Tuya Smart APP. Click "Add Device" or the "+" icon in the upper right corner.
   • The app will automatically discover nearby devices. Follow the prompts to add your thermostat.
4. Add Devices (WiFi Connection):
   • After initial Bluetooth connection, the app will guide you to connect to WiFi.
   • Select your home WiFi network and enter the password.
   • Follow any on-screen prompts to complete the WiFi pairing process. The WiFi icon will appear on the thermostat display once connected.

6. Operating Instructions

6.1. Basic Operation Guide

1. Power On/Off: Press the Power key to turn the thermostat on or off.
2. Mode Switching: Press the M key to switch between Manual (Hand icon) and Automatic (Clock icon) modes.
3. Temporary Mode (Automatic): In Automatic mode, press the Up (▲) or Down (▼) key to enter temporary mode, which runs for a short period.
4. Clock Setting: Press the Clock key to enter clock setting. Use the Up (▲) and Down (▼) keys to adjust the time. Press the Clock key again to exit. (Note: WiFi models automatically obtain internet time).
5. Temperature Adjustment: In Manual mode, use the Up (▲) and Down (▼) keys to adjust the desired temperature.

6.2. Period Programming Instructions

The thermostat supports weekly programming to optimize heating schedules.

1. In the power-off state, long press the M key and the Clock key simultaneously.
2. Press the M key to switch between programming periods (e.g., Period 1, Period 2, etc.).
3. Use the Up (▲) or Down (▼) keys to adjust the start time and temperature for each period.
4. Press the Power key to exit with saving.

Default Programming Schedule Example:

6.3. Advanced Option Settings

To access advanced settings:

1. In the power-off state, press the M key and Down (▼) key simultaneously for 5 seconds.
2. Press the M key to cycle through options.
3. Use the Up (▲) and Down (▼) keys to adjust parameters.
4. Press the Power key to exit and save changes.

Key Advanced Options:

• Temperature Adjustment: Offset for temperature sensor.
• NTC Select: Sensor type selection (IN, 1 OUT, 2 ALL).
• High Temperature Protection: Sets maximum allowed floor temperature.
• Temperature Tolerance: Hysteresis setting.
• Low Temperature Protection: Antifreeze function.
• Weekly Programming: Select programming mode (e.g., 5+2, 6+1, 7 days).
• Maximum/Minimum Temperature: Sets the adjustable range for set temperature.
• Restore Factory Default: Resets all settings.
• Backlight Brightness: Adjusts screen backlight intensity (01-08).
• Key LED Brightness: Adjusts LED indicator brightness (01-08).

6.4. Special Functions

• Child Lock: Press the Up (▲) and Down (▼) keys simultaneously and hold for 5 seconds to enable or disable the child lock. This prevents accidental changes to settings.

Figure 4: Child Lock Feature
This image shows a child interacting with the thermostat and highlights the child lock function, which prevents accidental changes and waste of electricity.

• Disconnect WiFi: Press the M key and Up (▲) key simultaneously and hold in power-off state to disconnect WiFi.
• Adjust Standby Screen Brightness: The brightness of the standby screen can be set to 0%, 20%, 50%, and 100% via the APP or directly on the product screen (through advanced settings).

Figure 5: Adjustable Standby Screen Brightness
This image demonstrates the 0%-100% adjustable standby screen brightness feature, showing different levels of illumination in a room setting.

7. Maintenance

• Cleaning: Gently wipe the thermostat screen and body with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays, as these can damage the device.
• Avoid Liquids: Keep the thermostat away from water and other liquids to prevent electrical hazards and damage.
• Environmental Conditions: Ensure the thermostat is not exposed to extreme temperatures, direct sunlight, or high humidity, which can affect its performance and lifespan.

8. Troubleshooting

If you encounter issues, try the following solutions:

• Thermostat Not Turning On: Check the power supply to the thermostat. Ensure it is properly wired and receiving power (AC 90-240V).
• Heating Not Activating:
  • Verify the thermostat is in heating mode (Manual or Automatic).
  • Check if the set temperature is higher than the current room temperature.
  • Ensure the child lock is not active if you cannot change settings.
• WiFi Connection Issues:
  • Ensure your WiFi network is 2.4GHz (5GHz networks are not supported).
  • Check your WiFi password for accuracy.
  • Restart your router and try connecting again.
  • Ensure the thermostat is within range of your WiFi router.
  • If issues persist, try resetting the thermostat to factory defaults (via advanced settings) and re-pairing.
• Inaccurate Temperature Reading: If you suspect the temperature reading is off, you can adjust the "Temperature Adjustment" offset in the advanced settings.

9. Specifications

10. User Tips

• Optimize Programming: Utilize the weekly programming feature to set different temperatures for various times of the day and week. This can significantly reduce energy consumption.
• Antifreeze Function: If you are away for extended periods during cold weather, ensure the antifreeze function is enabled to protect your pipes from freezing.
• Child Lock: Always activate the child lock if the thermostat is accessible to children to prevent accidental changes to your heating schedule.
• ECO Mode: The thermostat supports an ECO mode (often configurable via the app or advanced settings) which can help save up to 20% on electricity bills by optimizing heating patterns.

Figure 6: ECO Mode Benefits
This graph illustrates how ECO Mode can save up to 20% on electricity bills compared to operating without a smart thermostat.

11. Warranty & Support

For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or contact the seller directly. Keep your purchase receipt as proof of purchase.