Tuya WiFi Thermostat R7C Series Instruction Manual

1. Introduction and Product Overview

The Rti-Tek Tuya WiFi Thermostat R7C Series is a smart digital temperature controller designed for various heating systems, including electric floor heating, water heating, and gas boilers. It utilizes microcomputer control technology and features an elegant design with push buttons and a vibrant RGB colorful LCD touch screen for ease of use. By comparing ambient temperature with a set temperature, the thermostat efficiently manages your heating system to enhance comfort and optimize energy consumption.

2. Key Features

• Vivid Display: 2.8-inch ultra-large RGB colorful LCD touch screen for delicate visual effects.
• Intuitive Control: Large screen and touch buttons, including a handwheel knob for precise temperature setting by 0.5°C increments.
• Smart Connectivity: Quick Wi-Fi configuration via BLE technology, compatible with Tuya Smart and Smart Life apps.
• Voice Control: Works with Amazon Alexa and Google Assistant for hands-free operation.
• Programmable: Weekly programming with up to 6 heating events per day, customizable for workdays and weekends.
• Memory Function: Power-off memory and real-time data storage.
• Safety Features: Anti-freezing function and child lock.
• Environmental Monitoring: Displays local outdoor temperature, outdoor humidity, and room humidity when connected to Wi-Fi.
• Multi-language Support: English, Italian, Russian.

3. Specifications

Dimensions (Unit: mm)

4. Setup and Installation

Mounting Steps

1. Release the front cover by inserting a flat-head screwdriver into the bottom crack of the thermostat.
2. Insert the necessary wires into the terminals and secure them with screws. The suggested wire-stripping length is 7-9mm.
3. Mount the backing plate into the wall cassette. Secure it with screws, ensuring the thermostat is fixed without deformation. Suggested torque is 0.2~0.4N.m (2.0~4.1kgf.cm).
4. Re-mount the front cover by snapping it into place.

Wiring Diagrams

Important: All wiring should be performed by a qualified electrician and in accordance with local electrical codes. Ensure power is OFF before installation.

For detailed wiring diagrams for other models (e.g., #716S, #703S, #723S, #743, #853, #853S, #863, #863S, #963, #963S), please refer to the comprehensive user manual PDF linked in the 'Important Notes' section.

5. Operating Instructions

Display Symbols Overview

Basic User Operations

• Power On/Off: Press the power button (often labeled with a square icon) for 3 seconds to turn the thermostat on or off.
• Temperature Setting: Rotate the handwheel knob to change the desired temperature in 0.5°C increments.
• System Mode (Fan Coil): For Fan Coil systems, press the 'M' button shortly to switch between cooling, heating, and ventilation modes.
• System Mode (Integrated): For Integrated systems, press the 'M' button shortly to switch between cooling, heating, ventilation, floor heating, and floor heating + heating modes.
• Temperature Control Mode (Floor Heating): For Floor Heating systems, press the 'M' button shortly to switch between manual and auto modes.
• Temperature Control Mode (Integrated, Floor Heating): Press the 'M' button shortly to switch between manual and auto modes.
• Enter Menu: Press the menu button (often labeled with a square icon) to enter the menu interface.
• Child-Lock: Press the 'M' button and the menu button simultaneously for 3 seconds to activate or deactivate the child lock.

Weekly Programming (Auto Mode)

The thermostat supports a weekly-cycled program, allowing you to set up to 6 heating events per day. Heating events, workdays, and temperature can be customized based on your personal routines.

To set up Auto-mode (Fan Coil/Integrated):

1. When the device is off, press the menu button (□□) to enter the menu page.
2. Choose "Period setting" to configure the parameters.
3. Press the home button (⌂) to save and exit to the home page.

Example schedule periods:

Temporary Mode

This mode allows you to set a manual temperature temporarily. The thermostat will revert to auto mode at the next scheduled event.

Manual Mode

In manual mode, the thermostat operates based on the manually set temperature, disconnecting from the auto mode schedule.

6. Wi-Fi and Smart Home Integration

Wi-Fi Setting

To connect your thermostat to Wi-Fi:

1. Press the menu button (□□) to enter the menu page.
2. Turn the knob to choose "Wi-Fi setting".
3. Select "Bluetooth Mode" and confirm by pressing the menu button (□□). The device will enter the network distribution state.
4. Follow the instructions in the Tuya Smart or Smart Life app to complete the connection.

App Control (Tuya Smart / Smart Life)

Control your thermostat remotely from anywhere using the Tuya Smart or Smart Life mobile application. Adjust settings, monitor temperatures, and manage schedules directly from your smartphone.

Voice Control (Amazon Alexa / Google Assistant)

Integrate your thermostat with Amazon Alexa or Google Assistant for convenient voice control. Use simple commands to adjust your home's temperature hands-free.

Product Video

Video 1: Product demonstration showcasing temperature setting, mode selection, available finishes, internal components, and display symbols.

7. Maintenance

To ensure optimal performance and longevity of your thermostat, follow these simple maintenance guidelines:

• Cleaning: Gently wipe the screen and casing with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or chemical sprays, as these can damage the device.
• Dust Removal: Periodically remove any dust accumulation around the thermostat to prevent obstruction of sensors or ventilation.
• Software Updates: Keep the Tuya Smart/Smart Life app updated to the latest version to benefit from new features and security enhancements.
• Avoid Obstructions: Ensure that no furniture, curtains, or other objects block the thermostat, as this can affect its temperature readings.

8. Troubleshooting

Sensor Failure

If the thermostat displays an E0 or E1 error, it indicates a sensor issue. The thermostat will remain powered off until the error is resolved.

• E0 Error: Indicates that the built-in sensor is short-circuited or disconnected.
• E1 Error: Indicates that the floor sensor (if applicable) is short-circuited or disconnected.

Action: Check the sensor connections and ensure they are properly installed and not damaged. If the issue persists, contact customer support.

Connectivity Issues

• Cannot connect to Wi-Fi: Ensure your Wi-Fi network is 2.4GHz (5GHz networks are not supported). Check your Wi-Fi password and router settings. Try restarting your router and the thermostat.
• App not responding: Ensure your phone has a stable internet connection. Close and reopen the Tuya Smart/Smart Life app. Check for app updates.
• Voice control not working: Ensure your thermostat is properly linked to your Amazon Alexa or Google Assistant account. Check your internet connection and the voice assistant device.

9. User Tips

• Optimal Placement: Install the thermostat away from direct sunlight, drafts, or heat sources (like lamps or appliances) to ensure accurate temperature readings.
• Energy Saving: Utilize the weekly programming feature to set lower temperatures when you are away or asleep, and higher temperatures when you are home.
• Child Lock: Use the child lock feature to prevent accidental changes to settings, especially in households with children.
• Remote Access: Take advantage of the mobile app to adjust your home's temperature before you arrive, ensuring comfort upon entry.

10. Warranty and Support

This product comes with a 2-Year Warranty. For warranty claims or technical support, please contact your retailer or the manufacturer directly.

Important Notes

A comprehensive user manual in PDF format is available for more detailed instructions and advanced settings. You can access it here: User Manual (PDF)