1. Introduction
This manual provides detailed instructions for the proper use and maintenance of your MIDEA AC Air Conditioner Remote Control, model RG51G(1)/CEFU1. Please read this manual thoroughly before operating the remote control to ensure optimal performance and longevity.

2. Specifications
| Feature | Specification |
|---|---|
| Model Number | RG51G(1)/CEFU1 |
| Brand | MIDEA |
| Use | Air Conditioner |
| Wireless Communication | IR (Infrared) |
| Frequency | 433 MHz |
| Channel | 1 |
| Support APP | No |
| High-concerned chemical | None |
| Certification | None |
| Origin | Mainland China |
| Package | Yes |
| Approx. Dimensions (L x W x H) | 18 cm x 13 cm x 2 cm |
| Approx. Weight | 0.2 kg |
3. Setup
3.1 Battery Installation
- Locate the battery compartment on the back of the remote control.
- Slide the battery compartment cover downwards or press the latch and lift to open.
- Insert two new AAA batteries (not included), ensuring the positive (+) and negative (-) terminals match the diagrams inside the compartment.
- Replace the battery compartment cover, ensuring it clicks securely into place.

3.2 Initial Use
Once batteries are installed, the remote control is ready for use. Point the remote directly at the infrared receiver on your MIDEA AC unit. Ensure there are no obstructions between the remote and the AC unit.
4. Operating Instructions
The remote control features an intuitive layout for easy operation of your MIDEA AC unit. Refer to the diagram below for button identification and their functions.

4.1 Button Functions
- ON/OFF: Powers the AC unit on or off.
- MODE: Cycles through operating modes: Auto, Cool, Dry.
- TEMP ▲ / ▼: Adjusts the set temperature up or down.
- FAN SPEED: Cycles through fan speed settings: Auto, High, Med (Medium), Low.
- C-SENSE: Activates the 'Comfort Sense' or 'Follow Me' function, where the remote's sensor measures the temperature at its location and adjusts the AC accordingly.
- SLEEP: Activates sleep mode, which adjusts temperature and fan speed for comfortable sleep and energy saving.
- TIMER ON: Sets a timer for the AC unit to automatically turn on.
- TIMER OFF: Sets a timer for the AC unit to automatically turn off.
- °C/°F: Toggles the temperature display between Celsius and Fahrenheit.
- LED DISPLAY: Turns the display light on the AC unit on or off.
- ENERGY SAVER: Activates an energy-saving operating mode.
5. Maintenance
5.1 Cleaning
To clean the remote control, wipe it gently with a soft, dry cloth. Do not use liquid cleaners, abrasive materials, or chemical solvents, as these can damage the remote's surface or internal components.
5.2 Battery Replacement
Replace batteries when the remote's range decreases or the display becomes dim. Always replace both batteries at the same time with new ones of the same type (AAA). Remove batteries if the remote will not be used for an extended period to prevent leakage.
5.3 Storage
Store the remote control in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. Avoid dropping the remote or exposing it to strong impacts.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote not responding | Dead or incorrectly installed batteries. Obstruction between remote and AC unit. Remote out of range. | Replace batteries, ensuring correct polarity. Remove any obstructions. Move closer to the AC unit. |
| AC unit not responding to specific commands | Incorrect mode selected. AC unit malfunction. | Ensure the correct operating mode is selected. Check the AC unit's manual for troubleshooting. |
| Temperature display is incorrect | Incorrect temperature unit selected (°C/°F). | Press the °C/°F button to switch the display unit. |
| Remote LCD display is dim or blank | Low battery power. | Replace batteries. |
7. User Tips
- Always point the remote control directly at the AC unit's receiver for best performance.
- Keep the remote control away from direct sunlight or heat sources to prevent damage to the LCD screen.
- For optimal battery life, use high-quality alkaline batteries.
- Familiarize yourself with the 'C-SENSE' function if your AC unit supports it, as it can enhance comfort by sensing the temperature at your location.
8. Warranty and Support
For warranty information or technical support regarding your MIDEA AC Air Conditioner Remote Control, please refer to the documentation provided with your MIDEA AC unit or contact MIDEA customer service directly. Keep your purchase receipt as proof of purchase.