Introduction
This manual provides essential instructions for the safe and efficient operation, installation, and maintenance of your Midea JL1643S-UF Freestanding One Touch Filter Water Purifier. Please read this manual thoroughly before using the appliance and retain it for future reference.
Safety Information
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury to persons.
- Ensure the power supply voltage matches the appliance's rating (220 Volts).
- Do not immerse the appliance, cord, or plug in water or other liquids.
- Unplug the appliance from the outlet when not in use, before cleaning, or before performing any maintenance.
- Keep the appliance away from direct sunlight and heat sources.
- This appliance is for indoor use only.
- Do not operate the appliance with a damaged cord or plug.
- Keep children away from the appliance during operation.
Product Overview
The Midea JL1643S-UF is a freestanding water purifier designed to provide clean, filtered water. It features a 3rd generation one-touch filter system and UV-LED sterilization.

Image 1: Front view of the Midea JL1643S-UF Freestanding Water Purifier. This image displays the sleek white design, the water dispenser nozzle, and the touch control panel at the top.
Key Components:
- Water Dispenser Nozzle: For dispensing purified water.
- Touch Control Panel: For operating various functions.
- Filter Compartment: Houses the multi-stage filter system.
- Water Tank: 4.6 Liters capacity.
- UV-LED Sterilizer: Integrated for enhanced water purification.
- Drip Tray: Collects any spills.
Setup
- Unpacking: Carefully remove the water purifier from its packaging. Retain all packaging materials for future transport if needed.
- Placement: Place the freestanding unit on a flat, stable, and level surface. Ensure there is adequate space around the unit for ventilation, especially at the back and sides where air vents are located. Avoid placing it near direct heat sources or in direct sunlight.
- Initial Cleaning: Before first use, wipe the exterior of the unit with a soft, damp cloth. Clean the water tank and drip tray with mild soap and water, then rinse thoroughly.
- Filter Installation:
- Open the filter compartment cover.
- Insert the 3rd generation one-touch filters (PP, Pre Active Carbon, Ultrafiltration, Post Active Carbon) into their respective slots. Ensure they are securely locked in place. Refer to the markings on the filters and the unit for correct orientation.
- Close the filter compartment cover.
- Water Filling: Fill the water tank with potable tap water. Do not exceed the maximum fill line.
- Power Connection: Plug the power cord into a grounded 220 Volt electrical outlet. The unit will power on, and indicator lights may illuminate.
- Initial Flush: Dispense and discard at least 2-3 liters of water to flush the new filters and internal system before consuming.
Operating Instructions
- Power On/Off: The unit typically powers on automatically when plugged in. Use the designated power button on the touch control panel to turn the unit on or off.
- Dispensing Water:
- Place a cup or container under the water dispenser nozzle.
- Press the water dispense button on the touch control panel. Water will flow until the button is released or a preset volume is reached (if applicable).
- UV-LED Sterilization: The UV-LED sterilization function operates automatically or can be activated via the touch control panel, depending on the model's specific programming. Refer to the control panel icons for UV activation status.
- Water Leakage Protection: The unit is equipped with water leakage protection. In the event of a leak, the system is designed to automatically shut off water flow to prevent damage. If this occurs, unplug the unit and contact customer support.
Maintenance
Regular maintenance ensures optimal performance and longevity of your water purifier.
- Filter Replacement Reminder: The unit features a filter replacement reminder system. An indicator light on the control panel will illuminate when it's time to replace the filters.
- Filter Replacement:
- Unplug the water purifier from the power outlet.
- Open the filter compartment.
- Twist and pull out the old filters.
- Insert new Midea JL1643S-UF compatible filters, ensuring they click into place.
- Close the filter compartment.
- Plug the unit back in. Reset the filter reminder by pressing and holding the designated button (refer to control panel icons).
- Perform an initial flush as described in the Setup section.
- Cleaning the Unit:
- Wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Regularly empty and clean the drip tray.
- For internal cleaning, follow the descaling instructions provided in a separate guide or contact customer support.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No water dispensed | Unit not plugged in; Water tank empty; Filters clogged; Water leakage protection activated. | Check power connection; Refill water tank; Replace filters; Unplug and re-plug, if issue persists contact support. |
| Slow water flow | Clogged filters; Air in the system. | Replace filters; Dispense water for a few minutes to release trapped air. |
| Unusual taste/odor | New filters not flushed; Filters need replacement. | Perform initial flush; Replace filters. |
| Filter reminder light stays on after replacement | Reminder not reset. | Press and hold the filter reset button until the light turns off. |
Specifications

Image 2: Midea JL1643S-UF Water Purifier with key dimensions. The image shows the height as 106cm, depth as 31cm, and width as 37.5cm.
| Brand | Midea |
| Model | JL1643S-UF |
| Capacity | 4.6 Liters |
| Dimensions (D x W x H) | 31 cm x 37.5 cm x 106 cm |
| Weight | 1.1 kg |
| Voltage | 220 Volts |
| Wattage | 520 Watts |
| Material | Aluminium, Polypropylene (PP) |
| Noise Level | 1 Decibel |
| Installation Type | Freestanding |
| Filter System | 3rd Generation One-Touch (PP, Pre Active Carbon, Ultrafiltration, Post Active Carbon) |
| Special Features | UV-LED Sterilizer, Filter Replacement Reminder, Touch Control, Water Leakage Protection |
Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product or visit the official Midea website. Do not attempt to repair the appliance yourself.