Introduction
This manual provides instructions for the Beyution RLA502A700B replacement infrared remote control, designed for use with various Mitsubishi Air Conditioner models. This remote control offers a straightforward, ready-to-use solution without requiring complex programming or setup. Please read this manual thoroughly to ensure proper operation and to maximize the functionality of your remote control.
Product Overview
The Beyution RLA502A700B is a direct replacement remote control for compatible Mitsubishi Air Conditioner units. It features an ergonomic design and standard air conditioner functions.

Figure 1: Front view of the Beyution RLA502A700B remote control, showing the LCD screen and all control buttons.
Key Features:
- Model: RLA502A700B
- Connectivity: Infrared
- Operating Distance: Up to 10 meters (approximately 33 feet)
- Material: Durable ABS Plastic
- Color: White
- Setup: No programming or setup required; ready to use after battery insertion.
Setup and Battery Installation
The remote control requires two AAA (R03/UM-4) alkaline batteries for operation. Batteries are not included with the remote control.
- Locate the battery compartment on the back of the remote control.
- Slide the battery compartment cover downwards to open it.
- Insert two new 1.5V AAA alkaline batteries, ensuring the positive (+) and negative (-) terminals match the markings inside the compartment.
- Replace the battery compartment cover by sliding it back into position until it clicks securely.

Figure 2: Back view of the remote control showing the open battery compartment for two AAA batteries.
Once batteries are installed, the remote control is ready for immediate use with your compatible Mitsubishi Air Conditioner.
Operating Instructions
This remote control is designed for intuitive operation. Point the remote directly at the air conditioner's signal receiver for optimal performance.
Basic Functions:
- ON/OFF: Press the ON/OFF button to power the air conditioner on or off.
- MODE: Press the MODE button to cycle through operating modes (e.g., Cool, Heat, Fan, Dry, Auto).
- TEMP: Use the TEMP ▲ and TEMP ▼ buttons to adjust the desired temperature.
- FAN SPEED: Press the FAN SPEED button to change the fan speed settings.
- HI ECO: Activates or deactivates the High Economy mode for energy saving.
- AIR FLOW (L/R, U/D, 3D AUTO): Adjusts the direction of the airflow.
- SILENT: Activates a quieter operation mode.
- NIGHT SETBACK: Engages a mode for comfortable sleep.
Timer Operations:
The remote control includes various timer functions for scheduled operation.
- ON/OFF TIMER:
- Press the ON TIMER or OFF TIMER button.
- Use the ▲ / ▼ buttons to set the desired time.
- Press the SET button to confirm the timer setting.
- To cancel, press the CANCEL button.
- WEEKLY TIMER:
- Press the WEEKLY button.
- Use the P/T button to shift the setting mode.
- Use the ▲ / ▼ buttons to complete the setting.
- Press the SET button to confirm.
- To deactivate, press the WEEKLY button again.
- SLEEP: Activates the sleep mode, which typically adjusts temperature and fan speed for comfortable sleep.
- CLEAN: Initiates a self-cleaning function on the air conditioner (if supported).
- TIME SETUP: Used for setting the current time and day of the week.
Compatible Models
This Beyution RLA502A700B replacement remote control is compatible with a range of Mitsubishi Air Conditioner models. The following is a list of known compatible models:
- RLA502A700B
- RLA502A700L
- SRF35ZMXA-S
- RLA502A700S
- RLA502A700K
- RLA502A701L
- RLA502A701R
- RLA502A700C
If your specific air conditioner model is not listed, please contact customer support for verification before purchase.
Troubleshooting
If you encounter issues with your remote control, please refer to the following common solutions:
- Remote Not Responding:
- Ensure the remote control is pointed directly at the air conditioner's signal receiver.
- Check the batteries. Replace them with new 1.5V AAA alkaline batteries if they are old or depleted.
- Avoid mixing old and new batteries, or different types of batteries.
- Abnormal Indication on Display:
- Press the ACL (All Clear) switch, usually a small recessed button requiring a pointed object (like a pen tip) to press. This resets the remote.
- Timer or Time Setting Issues:
- If setting the time or day of the week, ensure you press the ACL or TIME SETUP switch first, then use the ▲ / ▼ buttons or TIMER and SET buttons to adjust. Always confirm the setting after adjusting the day of the week.
- Remote Damaged or Not Working:
- If the remote control is damaged upon receipt or ceases to function, please contact customer service for assistance.
For prolonged periods of non-use, remove the batteries from the remote control to prevent leakage and damage.
Specifications
| Model Number | RLA502A700B |
| Brand | Beyution |
| Product Dimensions | 6.3 x 1.57 x 0.39 inches (16 x 4 x 1 cm) |
| Item Weight | 2.47 ounces (70 grams) |
| Power Supply | 2 x 1.5V AAA Alkaline Batteries (not included) |
| Connectivity Technology | Infrared |
| Maximum Operating Distance | 10 meters (33 feet) |
| Material | ABS Plastic |
| Color | White |
| Compatible Devices | Mitsubishi Air Conditioners |
Warranty and Customer Support
Warranty Information:
This Beyution remote control comes with a 6-month warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product functions as intended under normal use.
Customer Support:
For any questions, concerns, or issues regarding your Beyution RLA502A700B remote control, please contact our customer service team. If you cannot find your air conditioner model in the compatibility list, or if the remote control you received is damaged or not working, our customer service staff will provide a satisfactory solution within 24 hours.
Please refer to your purchase documentation for specific contact details or visit the Beyution official support page.