Introduction
This manual provides detailed instructions for the ECONTROLLY SG18D-MEPSN replacement remote control. This remote is designed to be compatible with various Mitsubishi Air Conditioner models, including SG15D, SG10A, SG18D, SG15H, SG15J, XG16A, XG16A-1, SG17B, SG19C, SG176, and SH20A. It offers a straightforward setup and operation for controlling your air conditioning unit.
Setup
Battery Installation
The remote control requires two AAA batteries for operation. Follow these steps to install the batteries:
- Locate the battery compartment on the back of the remote control.
- Slide the battery compartment cover downwards to open it.
- Insert two new AAA alkaline 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.
Once batteries are installed, the remote is ready for use without any additional programming.

Image: Back view of the ECONTROLLY SG18D-MEPSN remote control, illustrating the battery compartment location and printed troubleshooting steps.
Operating Instructions
This remote control features soft silicone buttons for durability and a comfortable ABS environmental protection material cover. It offers a fast response time of 0.5 seconds and an effective range of 8-10 meters (26-33 feet).
Key Functions

Image: Front view of the ECONTROLLY SG18D-MEPSN remote control, displaying the screen, temperature adjustment buttons, and power button.
- OFF/ON Button: Powers the air conditioner on or off.
- TEMP + / - Buttons: Adjust the temperature setting upwards or downwards.
- MODE Button: Cycles through operating modes (e.g., Cool, Heat, Fan, Dry, Auto).
- FAN Button: Adjusts fan speed.
- WIDE VANE Button: Controls horizontal airflow direction.
- L-VANE-R Button: Controls vertical airflow direction.
- ECONO COOL Button: Activates energy-saving cooling mode.
- POWERFUL Button: Engages maximum power for rapid cooling/heating.
- SMART SET Button: Recalls preferred settings.
- INDOOR/OUTDOOR DIRECT Button: Likely for specific air direction control.
- SLEEP Button: Activates sleep mode for quiet operation and temperature adjustment during sleep.
- NATURAL FLOW Button: Simulates natural breeze.
- WEEKLY TIMER (ON/OFF): Sets or cancels weekly timer programs.
- EDIT/SEND Button: Used for programming and sending timer settings.
- SET Button: Confirms selections.
- CANCEL Button: Cancels current operation or setting.
- DAY Button: Sets the day of the week for timer functions.
- 1~4 Buttons: Likely for selecting specific timer programs or settings.
- ON/OFF (Timer) Button: Sets the ON/OFF time for the timer.
- TIME Button: Adjusts the current time.
- TEMP (Timer) Button: Adjusts temperature for timer settings.
- DELETE Button: Deletes timer settings.
- CLOCK Button: Sets the clock.

Image: Comprehensive view of the ECONTROLLY SG18D-MEPSN remote control, showcasing all functional buttons and the LCD display.
Maintenance
To ensure the longevity and proper functioning of your remote control, follow these simple maintenance guidelines:
- Cleaning: Wipe the remote control with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water and a mild detergent, then wipe dry immediately. Do not use abrasive cleaners, alcohol, or benzene.
- Battery Replacement: Replace batteries when the remote's response becomes sluggish or the display dims. Always replace both batteries at the same time with new alkaline batteries.
- Storage: If the remote control will not be used for an extended period, remove the batteries to prevent leakage and potential damage. Store in a cool, dry place.
- Avoid Drops: Protect the remote from physical impact, as drops can damage internal components.
Troubleshooting
Remote Control Not Responding
- Check Batteries: Ensure batteries are inserted correctly with the correct polarity (+/-). Replace old batteries with new AAA alkaline batteries.
- Line of Sight: Make sure there are no obstructions between the remote control and the air conditioner's receiver.
- Distance: Operate the remote within its effective range of 8-10 meters (26-33 feet).
"Doesn't Work?" - Custom Code Setting (as per back label)
If the remote does not function correctly with your air conditioner, you may need to set a custom code. Follow these steps:
- Aim the remote control at the signal receiver on the air conditioner.
- Press and hold the power button "OFF/ON" for 3 seconds to start the current custom code setting.
- Press the Temperature button TEMP + or TEMP - to change the code. The initial setting is "01".
- Press the power button "OFF/ON" again to confirm the code when the air conditioner responds.
If the functions still do not work well, repeat the above steps to try other codes. If the issue persists, please contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 7 x 2 x 0.65 inches |
| Item Weight | 2.3 ounces |
| Item Model Number | SG18D-MEPSN |
| Batteries Required | 2 AAA batteries |
| Material | ABS Environmental Protection Material, Silicone Buttons |
| Response Time | 0.5 seconds |
| Effective Range | 8-10 meters (26-33 feet) |
| Color | Black |
| Manufacturer | ECONTROLLY |
Customer Support
For further assistance or if you encounter issues not covered in this manual, please contact ECONTROLLY customer support. Refer to the product packaging or purchase platform for specific contact information.