1. Introduction
The Beok BOT-R8X-WIFI is a wireless intelligent digital thermostat designed for underfloor heating systems. It precisely controls the working status of your gas wall-mounted boiler or electric valve by comparing the ambient temperature with your set temperature, ensuring optimal comfort and energy conservation in your home.
Figure 1: Beok Smart Thermostat System Overview. Shows the wireless thermostat unit with a mirror LCD display, the receiver unit, a smartphone displaying the control app, and logos for Wi-Fi, Tuya, Google Assistant, Yandex Alice, and Alexa.
2. Important Safety Information
- Electrical Hazard: Do not connect wires with electricity. Always ensure power is off before handling any wiring.
- Professional Installation: Due to high voltage involvement in some circuits of this product, installation must be carried out by qualified professionals.
- Wire Protection: Do not expose the wire ends. Ensure all connections are secure and insulated.
- Intended Use: Use this device only as described in this manual. Any other use may cause damage or injury.
3. Package Contents
Please check the package for the following items:
- Wireless Thermostat Unit (BOT-R8X-WIFI)
- Receiver Unit
- User Manual
- Connecting Wires
- USB-C Cable
- Mounting Screws
Figure 2: Product Package Contents. Shows the BOT-R8X-WIFI thermostat and receiver, along with included accessories: user manual, connecting wires, USB-C cable, and mounting screws.
4. Specifications
4.1. Electrical Specifications
| Feature | Specification |
|---|---|
| Thermostat Power Supply | 3x AAA alkaline batteries or USB-C cable |
| Receiver Power Supply | 110-220VAC |
| Protection Grade | IP20 |
| Temperature Sensor | NTC |
| Temperature Accuracy | 0.5°C (adjustable) |
| Set Temperature Range | 5-60°C |
| Self-consumption Power | <170uA |
| Load | 3A |
| Certification | CE |
| Wifi | 2.4G |
5. Setup
5.1. Power Supply
- Thermostat: Use 3x AAA alkaline batteries or connect via USB-C cable.
- Receiver: Requires a 110-220VAC power supply.
Figure 3: Power Supply Options. Details that the thermostat can be powered by 3x AAA batteries or a USB-C cable, while the receiver requires a 110-220VAC power supply.
5.2. Wiring Instructions (Receiver)
WARNING: Ensure power is OFF before wiring. Wiring should be performed by a qualified professional.
Figure 4: Receiver Wiring Diagrams. Provides detailed connection instructions for the receiver unit to a gas boiler, an actuator, and a pump.
- Connect to Boiler: Use terminals N, L, NO, COM, NC.
- Connect to Actuator: Use terminals N, L, M, NO, COM, NC, NO1, NC1.
- Connect to Pump: Use terminals N, L, M.
5.3. Mounting
The thermostat panel can be inserted into its bracket for desktop placement or mounted on a wall. The receiver unit is typically wall-mounted near the heating system.
Figure 5: Thermostat and Receiver in Use. Shows the wireless thermostat placed on a surface and the receiver unit mounted on a wall.
5.4. Device Code Connection (Pairing Transmitter & Receiver)
- On the receiver panel, long press the code key until its signal light starts flashing.
- On the thermostat (transmitter) panel, long press the code key until the signal light on the receiver panel stops flashing.
- Verification: In heating mode, set the temperature higher than the room temperature. If the device sends a signal and all three indicator lights on the receiver panel light up, the pairing is successful.
5.5. App Installation & Network Connection
- Download and open the Tuya Smart or Smart Life app from your smartphone's app store.
- On the thermostat (transmitter) panel, when powered on, press and hold the ▲ key for 5 seconds until the Wi-Fi icon on the display flashes slowly. The thermostat is now in connection mode.
- In the app, find the thermostat (Bluetooth/Wi-Fi model) in the device list.
- Follow the in-app prompts: click