Introduction
This manual provides instructions for the RCECAOSHAN compatible remote control designed for various Mitsubishi Electric Mr Slim air conditioner models. It covers setup, operation, maintenance, and troubleshooting to ensure proper use of your remote control.
Setup
Battery Installation
The remote control requires two AAA 1.5V batteries (not included). Follow these steps to install them:
- Locate the battery compartment cover on the back of the remote control.
- Slide the cover downwards to open the compartment.
- Insert two AAA 1.5V batteries, 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.

Image: Back of the remote control, illustrating the location of the battery compartment.
Operating Instructions
This section details the functions of the remote control buttons and display.
Remote Control Layout

Image: Front view of the remote control, showing the display, ON/OFF button, and temperature adjustment buttons.

Image: Front view of the remote control with the sliding panel open, revealing additional buttons for MODE, FAN, VANE, STOP, and START.
Basic Functions
- ON/OFF Button: Press the red ON/OFF button to turn the air conditioner unit on or off.
- Temperature Adjustment: Use the ▲ (TOO COOL) button to increase the temperature setting and the ▼ (TOO WARM) button to decrease it.
Advanced Functions (Under Sliding Panel)
- MODE Button: Press this button to cycle through available operating modes (e.g., Cool, Heat, Fan, Dry, Auto). The current mode will be displayed on the remote's screen.
- FAN Button: Adjusts the fan speed. Press repeatedly to cycle through different fan speed settings (e.g., Low, Medium, High, Auto).
- VANE Button: Controls the direction of the air vanes (louvers) for optimal air distribution. Press to adjust the swing or fixed position.
- STOP Button: Used for setting or canceling timer functions.
- START Button: Used for setting or activating timer functions.
Fahrenheit and Celsius Display
This remote control supports temperature display in both Fahrenheit (°F) and Celsius (°C). To switch between these units, refer to the specific instructions for your air conditioner unit or look for a dedicated button or combination press on the remote (often a small recessed button or a combination of MODE and temperature buttons). The display will update to show the selected unit.

Image: The remote control's display showing temperature readings in both Fahrenheit (84°F) and Celsius (24°C), indicating its dual-unit capability.
Maintenance
Cleaning the Remote Control
- Wipe the remote control 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 and Storage
- Replace batteries when the remote control's response becomes sluggish or the display dims.
- If the remote control will not be used for an extended period, remove the batteries to prevent leakage and potential damage.
- Store the remote control in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote control not responding. |
|
|
| Display is dim or blank. | Low battery power. | Replace batteries. |
| Air conditioner not responding to specific commands. |
|
|
Specifications
- Brand: RCECAOSHAN
- Model Number: 20201011-A1-89
- Compatible Devices: Mitsubishi Electric Mr Slim Air Conditioners (models: MSZG20UV, MSH26SV, MSH30SV, MSH30TV, G20UV, MSHA18WV, MSHA24WV, MSHA26WV, MSHA30WV, MSZA18YV, MSZA24YV, MSZA26YV)
- Connectivity Technology: Infrared
- Controller Type: Button Control
- Maximum Range: 10 Meters
- Battery Type: AAA 1.5V (x2)
- Special Feature: Ergonomic design, Fahrenheit/Celsius display
Warranty and Support
For warranty information or technical support, please contact the seller or manufacturer directly. Retain your purchase receipt for proof of purchase.