Introduction
This manual provides instructions for the setup, operation, and maintenance of your new YAOHUIMI replacement remote control for Mitsubishi Electric Air Conditioners. Please read this manual thoroughly before using the remote control to ensure proper function and to maximize its lifespan.
Compatible Models
This replacement remote control is designed to be compatible with a wide range of Mitsubishi Electric Air Conditioner models. Please verify your air conditioner model number against the list below:
- T2WEDW426, SG162
- MFZ-KJ09NA-U1, MFZ-KJ12NA-U1, MFZ-KJ15NA-U1, MFZ-KJ18NA-U1
- MFZ-KJ09NA, MFZ-KJ12NA, MFZ-KJ15NA, MFZ-KJ18NA
- SG176, T2WEF0426
- MLZ-KP09NA-U1, MLZ-KP12NA-U1, MLZ-KP18NA-U1
- MLZ-KP09NA, MLZ-KP12NA, MLZ-KP18NA
- NTXUKS09A112AA, NTXUKS12A112AA, NTXUKS18A112AA
- NAXUKS09A112A, NAXUKS12A112A, NAXUKS18A112A
- SG20A, E2230N426
- MSZ-FS06NA, MSZ-FS09NA, MSZ-FS12NA, MSZ-FS15NA, MSZ-FS18NA

Figure 1: Examples of compatible Mitsubishi Electric remote controls.
Setup
Battery Installation
- Locate the battery compartment on the back of the remote control.
- Slide the battery cover downwards to open it.
- Insert two (2) AAA batteries, ensuring the positive (+) and negative (-) terminals match the diagrams inside the compartment.
- Slide the battery cover back into place until it clicks securely.
Note: Always replace both batteries at the same time with new ones. Do not mix old and new batteries or different types of batteries.

Figure 2: Battery compartment with batteries inserted.
Operating Instructions
The remote control features an intuitive layout for easy operation of your air conditioner. Point the remote control directly at the air conditioner's receiver when operating.

Figure 3: Front view of the remote control with display and buttons.
Key Functions:
- OFF/ON Button: Press to turn the air conditioner on or off.
- TEMP + / - Buttons: Adjust the desired temperature setting. The display shows temperature in both Fahrenheit and Celsius.
- MODE Button: Cycle through operating modes such as Cool, Heat, Fan, Dry, Auto.
- FAN Button: Adjust the fan speed (e.g., Low, Medium, High, Auto).
- VANE / LOUVER Buttons: Control the direction of the airflow.
- TIMER ON/OFF: Set a timer for the air conditioner to turn on or off automatically.
- CLOCK / RESET: Set the current time or reset settings.
- Green Backlight: The display features a green backlight for improved visibility in low-light conditions. This backlight activates automatically when buttons are pressed.
Maintenance
Cleaning the Remote Control
To clean the remote control, wipe it gently with a soft, dry cloth. Do not use liquid cleaners, sprays, or chemical solvents, as these may damage the remote's surface or internal components.
Battery Replacement
If the remote control's range decreases or it becomes unresponsive, the batteries may need to be replaced. Follow the battery installation steps outlined in the "Setup" section. Dispose of used batteries according to local regulations.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote control not responding. | Dead or incorrectly installed batteries. | Replace batteries with new AAA batteries, ensuring correct polarity. |
| Remote control range is reduced. | Low battery power. Obstruction between remote and AC unit. | Replace batteries. Ensure a clear line of sight to the air conditioner's receiver. |
| Display is dim or not visible. | Low battery power. | Replace batteries. |
| Air conditioner does not respond to commands. | Remote not compatible with AC unit. AC unit is off or unplugged. | Verify AC model compatibility. Check AC unit power supply. |
Specifications
- Brand: YAOHUIMI
- Model Number: 42022051206
- Connectivity Technology: Infrared
- Compatible Devices: Mitsubishi Electric Air Conditioners (various models, see Compatibility section)
- Battery Type: 2 x AAA batteries (not included)
- Special Features: Ergonomic design, Green Backlight, Fahrenheit and Celsius display
Warranty and Support
For any questions, technical assistance, or warranty inquiries regarding your YAOHUIMI replacement remote control, please contact the seller or manufacturer directly through your purchase platform. Please retain your proof of purchase for warranty claims.
Manufacturer: HUIMIKEJI