1. Product Overview
The VANCOO BOT-R9V is a battery-powered smart heating thermostat designed for gas boilers. It offers convenient temperature control through its 2.8-inch VA LCD screen with 5 touch buttons, mobile application, and voice commands. Its battery operation eliminates the need for AC power, making installation flexible. The thermostat utilizes high-precision temperature sensors and quality relays to ensure accurate temperature measurement and effective heating control, contributing to a comfortable home environment.
Key Features:
- Battery Powered: Operates on 3 x 1.5V AA alkaline batteries, eliminating the need for a separate AC power supply or junction box.
- Smart Control: Compatible with Tuya App and Smart Life App for remote control via 2.4G WiFi.
- Voice Assistant Integration: Works with Amazon Alexa, Google Home, and Yandex Alice for convenient voice commands.
- Programmable Modes: Offers Manual, Automatic (Programmable), and Temporary Manual modes. Weekly programming with up to 6 events per day.
- Data Statistics: The mobile app records and displays underfloor heating usage.
- Antifreeze Function: Automatically maintains indoor temperature above 5°C to prevent freezing when heating is off.
- Child Lock: Prevents unauthorized changes to settings.
- Temperature Hysteresis: Default 0.5°C hysteresis for stable temperature control.
- Clear Display: 2.8-inch VA LCD screen with automatic dimming after 3 seconds of inactivity to save battery.
- Weather Forecast: Synchronizes and displays real-time weather from the Tuya App.
2. Setup and Installation
2.1 Package Contents
- 1 x Thermostat
- 1 x User Instruction Manual
- 2 x Screws
2.2 Battery Installation
- Gently pry open the back cover of the thermostat. You can use a flat-blade screwdriver in one of the four openings on the edge.
- Insert 3 x 1.5V AA alkaline batteries into the battery compartment, ensuring correct polarity (+/-). It is recommended to use new LR6 AA batteries.
- Reattach the front cover, ensuring it latches securely into place.
2.3 Mounting the Thermostat
- After opening the back cover, fix the thermostat base to the wall using the provided screws. Ensure there is no deformation on the thermostat after attachment. (Suggested torque is 0.2~0.4 N.m).
- The thermostat has a flat back and does not need to be embedded in the wall.
2.4 Wiring to Gas Boiler
The thermostat connects to the gas boiler using dry contacts. This product is designed to control room temperature for gas boilers, which typically only detect water temperature. Connecting a thermostat ensures your room reaches the desired temperature efficiently.
- Pass the wires through one of the four openings on the edge of the back cover.
- Connect the wires to the COM (Common) and NO (Normally Open) terminals on the thermostat's circuit board. The default relay is normally-open, but it supports being changed to normally-closed.
- Ensure the boiler connection is 24-230VAC, 50-60Hz, 5A.
2.5 App Installation and Pairing (Wi-Fi Version Only)
The Wi-Fi version of the thermostat can be controlled via the Tuya Smart or Smart Life app.
- Download the App: Scan the QR code provided in the quick start guide (or on the product packaging) or search for "Smart Life" or "Tuya Smart" in the App Store (iOS) or Google Play Store (Android) to download the app.
- Register/Log In: Open the app. If you are a new user, tap "Register" and follow the prompts to create an account. If you already have an account, tap "Login."
- Add Device: Ensure your phone's Bluetooth and Wi-Fi are enabled (2.4GHz network required). In the app's "Home" interface, tap the "+" icon in the upper right corner and select "Add Device."
- Automatic Search: The app should automatically detect the thermostat. Tap "Add" when it appears.
- Connect to Wi-Fi: Select your 2.4G Wi-Fi network and enter the password.
- Complete Setup: Wait for the device to be added successfully, then tap "Done."
3. Operating Instructions
3.1 Basic Operation
- Power On/Off: Press the power button (U) briefly to turn the thermostat on or off.
- Screen Brightness: The screen brightness will automatically turn off after 5 seconds of inactivity to conserve battery power. All operations will only respond when the screen is illuminated.
3.2 Setting Temperature
Press the Up (▲) or Down (▼) buttons to increase or decrease the setpoint temperature by 0.5°C.
3.3 Operating Modes
Press the Mode (M) button briefly to switch between Manual Mode and Auto Mode.
- Manual Mode: The temperature is controlled according to the currently set temperature. It remains active until manually changed again.
- Auto Mode (Programmable): The temperature is controlled according to the set heating profile. Manual changes in this mode are temporary and will revert to the programmed schedule at the next scheduled event.
3.4 Weekly Programming
The thermostat supports weekly programming with up to 6 heating events per day, each with individual temperature settings. Three cycle modes are available: 5+2 (weekdays + weekend), 6+1 (Mon-Sat + Sun), and 7 (every day).
- Press and hold the Mode (M) button for 3 seconds to enter weekly programming settings.
- Use the Mode (M) button to select the item to modify (e.g., weekday, time, temperature).
- Use the Up (▲) or Down (▼) buttons to adjust the values.
- Press the Power (U) button briefly to confirm and save the settings.
3.5 Child Lock
To prevent accidental changes to settings, especially by children, activate the child lock feature.
- Press and hold the Up (▲) and Down (▼) buttons simultaneously for 3 seconds to activate the child lock. A lock icon will appear on the screen.
- To deactivate, press and hold both buttons again for 3 seconds.
3.6 Frost Protection
The antifreeze function ensures that your indoor temperature does not drop below 5°C, protecting pipes and equipment from freezing.
- When activated, if the room temperature falls below 5°C, the thermostat will automatically initiate heating until the temperature rises above this threshold.
3.7 Voice Control (Wi-Fi Version Only)
Control your thermostat using voice commands through Amazon Alexa, Google Home, or Yandex Alice.
- Example Commands:
- "Alexa, open the HEATER."
- "Hey Google, close the HEATER."
- "Alexa, make the HEATER warmer."
- "Hey Google, set the HEATER to 22 degrees."
- Note: "HEATER" is the default device name; you can customize it in the app. Ensure the temperature unit on the thermostat and smart speaker are identical.
4. Maintenance
4.1 Battery Replacement
The thermostat will display a low battery reminder icon (battery icon) on the screen when the battery power drops below 20%. It is recommended to replace all three AA batteries promptly to ensure continuous operation.
4.2 Cleaning
To clean the thermostat, gently wipe the screen and casing with a soft, dry cloth. Avoid using abrasive cleaners or solvents, as these can damage the device.
5. Troubleshooting
5.1 Common Issues
- Thermostat not responding: If the device does not respond to touch, it might be undergoing an app update. Please wait patiently for the update to complete. Ensure the screen is illuminated for touch input.
- No heating: Check battery levels. Verify wiring connections to the gas boiler. Ensure the thermostat is in an active heating mode (Manual or Auto with a setpoint above current room temperature).
- App connection issues: Ensure your Wi-Fi network is 2.4GHz. Restart your router and thermostat. Re-attempt the pairing process.
5.2 Advanced Settings
To access advanced settings (usually for professional technicians):
- While the thermostat is powered off, press and hold the Mode (M) button for 3 seconds.
- Press Mode (M) repeatedly to cycle through different settings.
- Press the Power (U) button to save changes and exit.
| Code | Meaning | Default Value | Modify Range |
|---|---|---|---|
| 1ADJ | Temperature calibration | 0°C | -9.9~9.9°C |
| 4DIF | Switch deviation (Hysteresis) | 0.5°C | 0.5~10°C |
| 5LTP | Frost protection | OFF | ON/OFF |
| 6PRG | Weekly programming setting | 12345 | 12345 (5+2), 123456 (6+1), 1234567 (7+0) |
| 7RLE | Type of relay output | 00 | 00 (Normally-open), 01 (Normally-closed) |
| 9HIT | Temperature upper limit | 50°C | 5~95°C |
| AFAC | Restore factory settings | / | Press and hold for 3 seconds |
6. Specifications
| Parameter | Value |
|---|---|
| Power Supply | 3 x 1.5 V alkaline AA batteries |
| Temperature Setting Range | 5~95°C |
| Hysteresis (Switch Deviation) | 0.5~10°C (Factory setting 0.5 °C) |
| Ambient Temperature | -5~50°C |
| Protection Level | IP20 |
| Housing Material | Anti-Flammable PC |
| Setpoint Temperature Accuracy | 0.5°C |
| Dimensions (L x W x D) | 86mm x 86mm x 25mm |
| Wi-Fi Frequency | 2.4GHz |
| Certifications | CE, RoHS, RED |
7. Warranty and Support
For technical support or warranty inquiries, please contact the manufacturer:
- Company: Shanghai Aoke Shiye Youxian Gongsi
- Address: China, Shanghai, Minhangqu Xinfulu 388Hao 1Zhuang 640Shi
- Email: after-sales@beok-controls.com
A detailed user manual in PDF format is available for download. You can access it by scanning the QR code provided in the quick start guide or by visiting the product page online. The PDF manual contains comprehensive instructions, videos, and additional information.
8. User Tips
- Battery Life: To maximize battery life, ensure the screen brightness is set to dim automatically. Replace batteries promptly when the low battery indicator appears.
- Wi-Fi vs. Zigbee Models: If you have a Zigbee model, remember it requires a Zigbee gateway to connect to the Tuya/Smart Life app. The Wi-Fi model connects directly to your 2.4GHz Wi-Fi network.
- Boiler Compatibility: This thermostat is designed for gas boilers that use dry contact connections. It helps control room temperature more effectively than boilers that only sense water temperature.
- App Updates: If the thermostat seems unresponsive, check the app for any ongoing updates and allow them to complete.
9. Frequently Asked Questions (FAQ)
- Q: Is the thermostat compatible with Smart Life?
- A: Yes, the Wi-Fi version of the BOT-R9V thermostat is compatible with both the Smart Life and Tuya Smart applications.
- Q: What kind of batteries does it use?
- A: It uses 3 x 1.5V AA alkaline batteries.
- Q: Does it require a junction box for installation?
- A: No, the thermostat is battery-powered and has a flat back design, so it does not require a junction box or L,N wire connections. It simply screws onto the wall.
- Q: What is the difference between the WiFi and Zigbee models?
- A: The WiFi model connects directly to your 2.4G WiFi network to communicate with the app. The Zigbee model requires a separate Zigbee gateway to connect to the app.
- Q: How do I activate the child lock?
- A: Press and hold the Up (▲) and Down (▼) buttons simultaneously for 3 seconds to activate or deactivate the child lock.
- Q: What is the frost protection function?
- A: The frost protection function automatically turns on the heating if the room temperature drops below 5°C, preventing pipes and equipment from freezing.
