Introduction
This manual provides instructions for the YAOHUIMI Replacement Remote Control, designed for various air conditioner models. This remote is compatible with FRIMEC, Midea, Super General, Inventor, MrCool, Pioneer, SAMIX, RIENT, Sinclair, and Toshiba units that utilize the RG57 series remotes. It offers updated functionality, including a green backlight and the ability to display temperatures in both Fahrenheit and Celsius.

Image: The replacement remote control showcasing its key upgrade features, including Fahrenheit/Celsius display and green backlight.
Setup
Battery Installation
- Locate the battery compartment on the back of the remote control.
- Slide the battery compartment cover downwards to open it.
- Insert two AAA batteries (not included), ensuring the correct polarity (+ and -) as indicated inside the compartment.
- Slide the battery compartment cover back into place until it clicks securely.

Image: Rear view of the remote control with the battery compartment open, showing where to insert batteries.
Initial Use
This replacement remote control is pre-programmed and typically requires no additional setup or pairing. Once batteries are installed, it should be ready for immediate use with compatible air conditioner models.
Operating Instructions
Familiarize yourself with the buttons and their functions for optimal control of your air conditioner.

Image: Front view of the YAOHUIMI Replacement Remote Control, displaying all buttons and the screen.
Button Functions
- ON/OFF: Powers the air conditioner on or off.
- MODE: Cycles through operating modes (e.g., Auto, Cool, Dry, Fan, Heat).
- FAN: Adjusts the fan speed.
- TEMP ▲/▼: Increases or decreases the set temperature.
- SHORT CUT: Activates a pre-set favorite setting.
- TIMER ON: Sets a timer for the unit to turn on.
- TIMER OFF: Sets a timer for the unit to turn off.
- SLEEP: Activates sleep mode for quiet operation and energy saving.
- SWING: Controls the vertical louver movement.
- DIRECT: Adjusts the horizontal louver direction.
- TURBO: Activates maximum cooling or heating for rapid temperature change.
- LED: Turns the display light on or off on the air conditioner unit.
Temperature Display (Fahrenheit/Celsius)
This remote control supports temperature display in both Fahrenheit (℉) and Celsius (℃). To switch between these units, press and hold the TEMP ▲ and TEMP ▼ buttons simultaneously for a few seconds until the display changes.

Image: A visual comparison showing the remote's display in Fahrenheit (84℉) and Celsius (24℃).
Green Backlight
The remote control features a green backlight for easy operation in low-light conditions. The backlight activates automatically when any button is pressed and remains on for a short period.

Image: The remote control's screen illuminated with a green backlight, enhancing visibility in the dark.
Maintenance
Battery Replacement
Replace batteries when the remote's display becomes dim or unresponsive. Always replace both batteries at the same time with new AAA alkaline batteries. Do not mix old and new batteries or different types of batteries.
Cleaning
Wipe the remote control with a soft, dry cloth. Do not use liquid cleaners, sprays, or abrasive materials, as these can damage the remote's surface or internal components.
Troubleshooting
- Remote not responding:
- Check if the batteries are correctly installed and have sufficient charge. Replace if necessary.
- Ensure there are no obstructions between the remote control and the air conditioner's receiver.
- Confirm you are within the effective operating range of the air conditioner.
- Display is dim or blank:
- This usually indicates low battery power. Replace the batteries.
- Temperature unit not changing:
- Ensure you are pressing and holding both the TEMP ▲ and TEMP ▼ buttons simultaneously for a few seconds.
Specifications
| Model Number | A420211125-51 |
| Brand | YAOHUIMI |
| Compatible Devices | FRIMEC, Midea, Super General, Inventor, MrCool, Pioneer, SAMIX, RIENT, Sinclair, Toshiba AC units using RG57 series remotes including: RG57A3/BGEF, RG57A2/BGEF, RG57B/BGE, RG57D/BGE, RG57A6/BGEFU1, RG57A7/BGEF, RG70E/BGEF, RG57B2/BGE, RG57/BGE, RG57A/BGE, RG57B1/BGE, RG57A4/BGEF, RG57A6/BGEF, RG57H3(B), RG57H4B/BGEFU1, RG57HB/BGE, RG57K7(B)/BGEF, RG57K7/BGEF, RG57K7B/BGEF, RG57OB/BGE-OS, RG57F3(B)/BGEFU1, RG57H(B)/BGE, RG57H3/BGEFU1, Rg57H/Bge. |
| Display | Fahrenheit (℉) and Celsius (℃) |
| Backlight | Green |
| Power Source | 2 x AAA Batteries (not included) |
Warranty and Support
For any questions regarding the operation or compatibility of this replacement remote control, please contact the seller or manufacturer directly. Specific warranty information may vary and should be obtained from your point of purchase.





