1. Introduction
The EZAIOT R9BW&RC9P Smart Wireless Thermostat Kit is designed for precise temperature control in homes with water gas boilers, electric floor heating, or water floor heating systems. It offers stable RF433 wireless control, smart app integration via Tuya Smart/Smart Life, and voice control compatibility with Yandex Alice, Amazon Alexa, and Google Assistant. This manual provides detailed instructions for installation, operation, and maintenance to ensure optimal performance and comfort.
2. Safety Information
- Ensure all wiring is performed by a qualified electrician and complies with local electrical codes.
- Disconnect power before installing or performing any maintenance on the device.
- Do not expose the thermostat or receiver to water or excessive humidity.
- Keep out of reach of children.
3. Package Contents
Verify that all items are present in your package:
- 1 x Thermostat (available in Black or White)
- 1 x RF Receiver (available in Black or White)
- 2 x Screws
- 1 x User Manual
- 1 x Protection Cover
4. Tools Required for Installation
The following tools may be required for installation:
- Screwdriver (flat-blade and Phillips head)
- Level
- Pencil
- 3 x AA Alkaline Batteries (for Thermostat, not included in shipping)
5. Product Overview
The EZAIOT Smart Wireless Thermostat system consists of two main components: the Thermostat and the RF Receiver.
5.1 Thermostat
The thermostat features a high-end color VA screen with a 2.5D curved lens and capacitive touch buttons. It displays room temperature, set temperature, time, and various status icons (Wi-Fi, Bluetooth, heating, battery level, weather, child lock).
5.2 RF Receiver
The receiver is the wired component that connects to your heating system. It communicates wirelessly with the thermostat using stable RF433 technology, allowing for flexible placement of the thermostat up to 200 meters in open distance.
6. Setup and Installation
6.1 Thermostat Battery Installation
- Carefully release the front cover of the thermostat using a small tool or screwdriver.
- Insert three (3) new 1.5V alkaline AA batteries into the battery compartment, ensuring correct polarity.
- Replace the front cover, ensuring it clicks securely into place.
6.2 RF Receiver Mounting
The RF Receiver can be mounted using the wing method. Remove the back plate, secure it to the wall, and then attach the receiver body.
6.3 Wiring Diagram
The receiver can be connected to a gas boiler (3A) or an electric heating unit (16A). It is compatible with most indoor heating systems. Refer to the diagram below for wiring instructions.
Wiring Steps:
- Put the wire into the terminal.
- Tighten it with a flat-blade screwdriver.
6.4 Thermostat Placement
The RF thermostat offers flexible installation options:
- Wall mounting: Secure the thermostat to a wall.
- Desktop placement: Place the thermostat on a desk or table.
The recommended installation distance between the thermostat and the receiver does not exceed 100m for optimal wireless communication.
7. Operation
7.1 APP Remote Control
Connect the thermostat to the Tuya Smart or Smart Life App on your smartphone. This allows you to remotely control the thermostat from anywhere, anytime, adjusting settings and monitoring your home's temperature.
7.2 Voice Control
The thermostat is compatible with Yandex Alice, Amazon Alexa, and Google Assistant. You can control your heating system using simple voice commands, eliminating the need to manually adjust the thermostat.
7.3 Weekly Schedule Function
Utilize the Smart Schedule feature to set personalized temperature programs for six times of the day, optimizing energy consumption and comfort. The schedule can be customized for weekdays and weekends.
7.4 Child Lock
The keypad locking function prevents accidental operation by children, ensuring your heating settings remain undisturbed.
7.5 Humidity & Weather Display
Once connected to Wi-Fi, the device automatically syncs and displays the temperature, humidity, and weather conditions of your city, providing comprehensive environmental information at a glance.
7.6 Precise Temperature Control
With a built-in temperature sensor, the thermostat offers sensitive accuracy up to 0.1°C. The lowest hysteresis (temperature differential) is 0.5°C, ensuring precise and comfortable temperature regulation.
8. Maintenance
- Clean the thermostat and receiver with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Ensure the battery compartment is free of dust and corrosion. Replace batteries promptly when the low battery indicator appears.
- Keep the devices away from direct sunlight, heat sources, and drafts to maintain accurate temperature readings.
9. Troubleshooting
If you encounter issues with your thermostat, try the following:
- No display/Thermostat not turning on: Check battery installation and ensure batteries are new and correctly oriented.
- No heating/Thermostat not controlling boiler: Verify the receiver is powered and correctly wired to the heating system. Check the wireless link between the thermostat and receiver.
- Inaccurate temperature readings: Ensure the thermostat is not placed near heat sources, direct sunlight, or drafts.
- App connectivity issues: Ensure your Wi-Fi network is stable and the thermostat is within range. Re-pair the device with the app if necessary.
- Voice control not working: Verify the thermostat is correctly linked to your smart assistant (Alexa, Google Home) and your internet connection is active.
10. Specifications
| Feature | Specification |
|---|---|
| Model Number | R9BW&RC9P |
| Type | RF Wireless Thermostat with Wifi |
| Brand Name | EZAIOT |
| Origin | Mainland China |
| Certification | CE, RoHS, WEEE |
| Color | Black/White |
| Radio Frequency | 433MHz |
| Receiver Voltage | AC 100-240V; 50/60Hz |
| Max. Current | 16A (Electric floor heating) and 3A (Boiler heating) |
| Thermostat Power Supply | 3 x 1.5 V alkaline AA batteries |
| Wattage | <1.5W |
| Temperature Setting Range | 5-95℃ |
| Temperature Accuracy | 0.5℃ |
| Display Accuracy | 0.1℃ |
| Hysteresis | 0.5℃ |
| Ambient Temperature | -5~50℃ |
| APP Compatibility | Smart Life, Tuya Smart App |
| Voice Control | Yandex Alice, Amazon Alexa & Google Assistant |
| Suitable for | Water Heating Gas Boiler, Electric Floor Heating, Water Floor Heating |
11. User Tips
- For optimal battery life, use high-quality alkaline AA batteries and replace them when the low battery indicator appears.
- When setting up the weekly schedule, consider your daily routine to maximize energy savings and comfort.
- If you experience connectivity issues, try restarting both the thermostat and the receiver, and ensure your Wi-Fi router is functioning correctly.
12. Warranty and Support
All products from EZAIOT Official Store come with a 2-year online warranty. For any questions, dissatisfaction, or technical support, please contact the seller directly. They are committed to helping you within 24 hours.
