Introduction
This manual provides instructions for the setup, operation, and maintenance of your GENGQIANSI replacement remote control for Twin Star CHIMNEYFREE electric fireplace heaters. Please read this manual thoroughly before use to ensure proper functionality and safety.
Product Overview
The GENGQIANSI replacement remote control is designed to operate specific Twin Star CHIMNEYFREE electric fireplace heater models. It features essential buttons for power, flame effects, timer, and temperature adjustment.

Figure 1: Front view of the GENGQIANSI replacement remote control. The remote is white with a black panel at the top containing several control buttons.
Setup
Battery Installation
- Locate the battery compartment cover on the back of the remote control.
- Slide the cover open in the direction indicated by the arrow (if present).
- Insert two AAA batteries (not included), ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Slide the battery compartment cover back into place until it clicks securely.
Note: Always use new batteries and dispose of old batteries responsibly. Do not mix old and new batteries or different types of batteries.
Operating Instructions
Point the remote control directly at the electric fireplace heater's receiver. Ensure there are no obstructions between the remote and the fireplace.

Figure 2: Close-up of the remote control buttons. From top to bottom, left to right: two circular buttons (likely for flame intensity/color), a flame icon button, a timer icon button, a large red circular button (likely power), and two triangular temperature adjustment buttons labeled "TEMP".
Button Functions:
- Power Button (Large Red Circle): Press to turn the fireplace heater ON or OFF.
- Flame Effect Button (Flame Icon): Cycles through different flame brightness levels or flame color options.
- Timer Button (Hourglass Icon): Activates or adjusts the sleep timer function. Refer to your fireplace heater's manual for specific timer settings.
- Temperature Up Button (Up Arrow with TEMP): Increases the desired temperature setting.
- Temperature Down Button (Down Arrow with TEMP): Decreases the desired temperature setting.
- Circular Buttons (Two small circles): These buttons typically control additional flame effects, ember bed brightness, or other specific features. Their exact function may vary slightly depending on your fireplace model.
Maintenance
Cleaning
Wipe the remote control with a soft, dry cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these may damage the surface or internal components.
Battery Replacement
Replace batteries when the remote's range decreases or if it stops responding. Follow the battery installation steps outlined in the "Setup" section.
Storage
If the remote control will not be used for an extended period, remove the batteries to prevent leakage and potential damage.
Troubleshooting
- Remote not responding:
- Ensure batteries are installed correctly with the correct polarity.
- Replace old batteries with new ones.
- Check if there are any obstructions between the remote and the fireplace receiver.
- Ensure you are within the effective operating range of the fireplace.
- Intermittent operation:
- Weak batteries may cause inconsistent performance. Replace them.
- Ensure a clear line of sight to the fireplace.
If issues persist after following these steps, consult the original fireplace heater's instruction manual or contact the fireplace manufacturer for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Model Number | A520221213B03 |
| Compatible Fireplace Models | 18IRM9984, 18II800GRA, 18II800GRA-A003, 18II800GRA-A004, 18II800GRA, 18II800GRA-A006 |
| Power Source | 2 x AAA Batteries (not included) |
| Item Weight | 1.06 ounces |
| Package Dimensions | 0.39 x 0.2 x 0.08 inches |
| Brand | GENGQIANSI |
| UPC | 729162401554 |
Warranty Information
This product comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects under normal use. It does not cover damage resulting from misuse, accidents, unauthorized modifications, or improper battery installation. Please retain your proof of purchase for warranty claims.
Support
For technical assistance or warranty inquiries, please contact your retailer or the manufacturer of the GENGQIANSI remote control. When contacting support, please have your product model number (A520221213B03) and proof of purchase available.
For specific operational details of your electric fireplace heater, refer to the original manual provided with your fireplace unit.