1. Introduction
The Tuya WiFi Smart Thermostat offers advanced temperature control for your home, combining modern aesthetics with smart functionality. This device allows for precise temperature management, energy-saving programming, and convenient control via touch, voice, or a mobile application.
Key features include:
- Modern Aesthetic: Sleek black and silver design to complement contemporary interiors.
- Voice Control Integration: Compatible with voice control systems for hands-free adjustments.
- Accurate Temperature Management: Precision of ±0.5°C for reliable comfort.
- Energy-Saving Features: Programmed schedules and manual adjustments to optimize energy usage.
- Family Accessibility: Easy device sharing for multi-user control.
2. Available Models
The YJ508-WIFI series offers different models tailored to specific heating systems:
- YJ508-GA-WIFI: Designed for water floor heating systems, controlling valves, normally closed actuators, and normally open actuators.
- YJ508-GB-WIFI: Designed for electric floor heating systems, controlling heating cables, mats, and membranes.
- YJ508-GC-WIFI: Designed for wall-mounted boilers, controlling dry-connected devices such as gas and electric boilers.
3. Specifications
| Feature | Detail |
|---|---|
| Product Name | WiFi Thermostat |
| Material | PC+ABS (Flame-retardant V0-grade fireproof) |
| Dimensions (L*W*H) | 86 x 86 x 13 mm (front panel depth) / 40 mm (total depth including back box) |
| Color | Black + Silver |
| Voltage | 100-240V AC, 50/60Hz |
| Maximum Current Load | 16A (YJ508-GB-WIFI for Electric Floor Heating) / 3A (YJ508-GA-WIFI for Water Floor Heating, YJ508-GC-WIFI for Wall-Mounted Boilers) |
| Temperature Accuracy | ±0.5°C |
| Power Consumption | <1W |
| Display Range | 5°C-95°C |
| Buttons | Touch buttons |
| Terminal Connections | Connects to 1x2.5mm² wires |
4. Installation
Important: Installation should be performed by a qualified electrician to ensure safety and proper functionality. Always turn off power at the main circuit breaker before beginning any electrical work.
4.1 Physical Installation
- Ensure the power supply to the heating system is turned off.
- Mount the thermostat back plate to a standard electrical wall box using screws.
- Connect the wiring according to the specific model's diagram below.
- Attach the front panel of the thermostat to the back plate.
- Restore power to the heating system.
4.2 Wiring Diagrams
Refer to the specific wiring diagram for your thermostat model:
YJ508-GA-WIFI (Water Floor Heating)
YJ508-GB-WIFI (Electric Floor Heating)
YJ508-GC-WIFI (Wall-Mounted Boiler)
5. Operation
5.1 Basic Controls (Touch Buttons)
The thermostat features intuitive touch buttons for direct control:
- M (Mode) Button: Press to cycle through different operating modes (e.g., Manual, Auto).
- Up Arrow (↑) Button: Increase the temperature setting or navigate menu options.
- Down Arrow (↓) Button: Decrease the temperature setting or navigate menu options.
5.2 APP Remote Control
Control your thermostat from anywhere using the dedicated mobile application (Tuya Smart or Smart Life app). This allows you to:
- Check current room temperature.
- Adjust temperature settings.
- Change operating modes.
- Set and modify programming schedules.
- Access advanced settings.
5.3 Voice Control
The thermostat is compatible with popular voice assistants like Amazon Alexa and Google Home. Once integrated, you can use simple voice commands to control your heating:
- "Alexa, set the living room thermostat to 22 degrees."
- "Hey Google, what's the temperature in the bedroom?"
5.4 Programming Schedules
Optimize energy usage and comfort with programmable schedules. The thermostat supports 7-day programming with multiple time periods per day (e.g., 5+2, 6+1, or 7-day regulation with 6 time modes).
- Set different temperatures for various times of the day (e.g., morning, daytime, evening, night).
- Customize schedules for weekdays and weekends to match your routine.
6. Additional Features
6.1 Child Lock
Activate the Child Lock function to prevent accidental operation or tampering with settings, especially useful in households with children.
6.2 Device Sharing
Share control of your smart thermostat with family members through the mobile application, allowing everyone in the household to manage the heating system conveniently.
7. Maintenance
To ensure optimal performance and longevity of your thermostat:
- Cleaning: Gently wipe the screen and body with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or chemical sprays.
- Avoid Obstructions: Ensure no furniture, curtains, or other objects block the thermostat, as this can affect its temperature readings.
- Power Cycling: If the device becomes unresponsive, try turning off the power at the circuit breaker for a few minutes, then restoring it.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Thermostat not powering on | No power supply; incorrect wiring. | Check circuit breaker. Verify wiring connections against the manual's diagrams. Consult an electrician if unsure. |
| Heating system not responding | Incorrect mode; wiring issue; heating system fault. | Ensure thermostat is in heating mode. Check wiring. Test heating system independently. |
| WiFi connection issues | Weak WiFi signal; incorrect network credentials; router issues. | Ensure thermostat is within WiFi range. Re-enter WiFi password in the app. Restart your router. |
| Inaccurate temperature readings | Thermostat location; external heat sources. | Ensure thermostat is not exposed to direct sunlight, drafts, or heat-emitting appliances. |
9. User Tips
- Optimal Placement: Install the thermostat on an interior wall, away from direct sunlight, windows, and heat sources (like lamps or appliances) for the most accurate temperature readings.
- App Integration: For the best smart home experience, ensure your Tuya Smart or Smart Life app is always updated to the latest version.
- Energy Saving: Utilize the 7-day programming feature to set lower temperatures when you are away or asleep, and higher temperatures when you are home, maximizing energy efficiency.
- Voice Command Practice: Familiarize yourself with common voice commands for your chosen smart assistant to quickly adjust settings without needing to touch the thermostat or app.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact the retailer/manufacturer directly. Keep your proof of purchase for warranty claims.
