1. Introduction
Thank you for choosing the Byecold 400W Electric Infrared Ceiling Heater. This manual provides essential information for the safe and efficient operation of your new heater. Please read it thoroughly before installation and use, and retain it for future reference.
This infrared heater utilizes advanced technology to provide comfortable, sun-like warmth directly to objects and people in the room, rather than heating the air. This method offers efficient and quiet heating, making it suitable for various indoor environments.
2. Safety Instructions
To ensure safe operation and prevent damage, please adhere to the following safety guidelines:
- Always ensure the heater is installed by a qualified professional if hardwiring is chosen.
- Do not cover the heater while it is in operation.
- Keep flammable materials at a safe distance from the heater.
- Do not operate the heater with a damaged cord or plug.
- Avoid direct contact with the heater surface during operation, as it can become hot.
- This heater is equipped with an automatic overheat protection feature, which will shut off the unit if it detects excessive temperatures.
- Ensure the power supply voltage matches the specifications of the heater.
- Do not use the heater in bathrooms or other areas where it may come into contact with water, unless specifically rated for such environments.

This image illustrates the heater's safety mechanism, which includes automatic shutdown to prevent overheating, and lists relevant safety certifications (LVD, EMC, ErP).
3. Specifications
| Feature | Specification |
|---|---|
| Brand | Byecold |
| Model Number | H4-0606B |
| Color | White |
| Power | 400W |
| Voltage | 230 Volts (AC) |
| Product Dimensions (DxWxH) | 3.5 x 59.5 x 59.5 cm |
| Item Weight | 4.98 Kilograms |
| Mounting Type | Ceiling Mount |
| Heating Method | Radiant (Infrared) |
| Power Source | Electric Cable |
| Indoor/Outdoor Use | Indoor |
| Special Features | Programmable Thermostat, Remote Control, Automatic Shut-off |

This image provides precise measurements of the heater panel, including its length, width, and slim profile.
4. Installation and Setup
The Byecold infrared heater is designed for ceiling mounting. It offers flexible installation options:
- Plugged-in: Connect the heater directly to a suitable electrical outlet.
- Hardwired: For a permanent installation, the plug can be removed, and the heater can be hardwired into your electrical system. This option should be performed by a qualified electrician.
Ensure the mounting location is structurally sound and can support the weight of the heater. Maintain adequate clearance around the heater for optimal performance and safety.

This image clarifies the flexible installation methods available for the heater, either direct wiring or plug-and-play.

This image shows the heaters in an office, emphasizing their environmental benefits, long lifespan, and energy-saving features.
5. Operating Instructions
Your Byecold infrared heater comes with a remote control for convenient operation. The heater can be programmed to turn on and off automatically based on temperature and time settings.
5.1 Remote Control Overview

The remote control allows for precise adjustment of temperature and setting of the timer function for the heater.
5.2 Pairing the Remote Control
To pair the heater with the remote control, follow these steps:
- Plug in the heater and turn on the remote control.
- Press the "C / F" and "MODE" buttons simultaneously until you hear a beep. This indicates successful pairing.
- These steps must be completed within 1 minute of plugging in the heater.

This image provides clear, numbered steps to successfully connect the heater to its remote control for operation.
5.3 General Operation
- Use the ON/OFF button to power the heater on or off.
- Adjust the desired temperature using the SET button and arrow keys.
- Set a timer for automatic shutdown or startup using the TIME button.
- Switch between Celsius and Fahrenheit using the °C/°F button.

This image illustrates how infrared heat radiates downwards from the ceiling-mounted heater, providing warmth to the room.

The heaters are shown warming a living room, illustrating their rapid heating capability.

This image highlights the heater's quiet performance, ensuring an undisturbed environment, ideal for bedrooms.

This graphic summarizes the core benefits of the heater, including comfortable warmth, efficient radiation, and quick heat-up time.
6. Maintenance
Regular maintenance ensures the longevity and efficient operation of your heater.
- Before cleaning, always unplug the heater and allow it to cool completely.
- Wipe the exterior surface with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Ensure no water enters the internal components of the heater.
- Periodically check the power cord for any signs of damage.
7. Troubleshooting
If you encounter issues with your heater, refer to the following common troubleshooting steps:
- Heater does not turn on: Check if the heater is properly plugged into a working outlet. Ensure the remote control has fresh batteries and is paired correctly.
- No heat output: Verify that the desired temperature setting is higher than the current room temperature. Check for any obstructions around the heater.
- Heater turns off unexpectedly: The overheat protection may have been activated. Unplug the heater, allow it to cool down, and check for any blockages or improper installation before restarting.
- Remote control not responding: Replace the batteries in the remote control. Re-pair the remote control with the heater as described in Section 5.2.
If problems persist after attempting these steps, please contact Byecold customer support.
8. Warranty and Support
Byecold is committed to product quality and customer satisfaction. All products undergo strict quality control before leaving the factory.
If you are not satisfied with your product or require assistance, Byecold has established a dedicated warehouse for returns and exchanges. Our support team is available to provide a rapid response to all product-related questions within 24 hours.
For further assistance, please visit the official Byecold store or contact customer service through the platform where you purchased the product.





