1. Introduction
Thank you for choosing the Berdsen BR-20C Dehumidifier. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new appliance. Please read it thoroughly before use and keep it for future reference.
The Berdsen BR-20C Dehumidifier is designed to maintain optimal humidity levels in your home, contributing to cleaner indoor air and reducing the risk of health issues associated with high humidity, such as allergies, asthma, and rheumatism. It features innovative Peltier technology for energy-efficient and silent operation.
2. Safety Instructions
To ensure safe operation, please observe the following precautions:
- Always place the dehumidifier on a stable, level surface.
- Do not block the air inlet or outlet vents. Maintain at least 20 cm clearance around the unit.
- Do not use the appliance near water or in excessively wet environments (e.g., directly in a shower).
- Ensure the power supply voltage matches the rating label on the appliance (220-240V).
- Unplug the unit before cleaning, maintenance, or when not in use for extended periods.
- Do not operate the unit with a damaged power cord or plug. Contact qualified service personnel for repairs.
- Keep out of reach of children and pets.
- Do not insert objects into the vents.
- This appliance is for indoor, domestic use only.
3. Product Overview
Familiarize yourself with the components of your Berdsen BR-20C Dehumidifier.

Image 1: Front view of the Berdsen BR-20C Dehumidifier, showing the control panel at the top and the water level indicator on the front panel.

Image 2: Angled view of the dehumidifier, highlighting the side air intake vents.

Image 3: Rear view of the dehumidifier, showing the removable water tank and the main power switch (ON/OFF) at the top.
Control Panel

Image 4: Close-up of the control panel, featuring the 'ON' button and the 'FULL' indicator light for the water tank.
- ON Button: Press to turn the unit on or off.
- FULL Indicator: Illuminates when the water tank is full and needs to be emptied.
- Water Tank: Collects condensed moisture.
- Air Inlet/Outlet: Where air enters and exits the unit.
4. Setup
- Unpacking: Carefully remove the dehumidifier from its packaging. Retain packaging materials for future storage or transport.
- Placement: Place the unit on a firm, level surface in the desired room. Ensure there is at least 20 cm (8 inches) of space around all sides for proper airflow. Do not place it against a wall or near heat sources.
- Power Connection: Plug the power cord into a grounded electrical outlet (220-240V).
- Water Tank: Ensure the water tank is correctly inserted into the unit.
5. Operating Instructions
Starting the Dehumidifier
- After proper setup, press the ON button on the control panel. The unit will begin operating.
- The dehumidifier will silently draw in moist air, condense the water vapor using Peltier technology, and release drier air back into the room.

Image 5: Illustration of the dehumidifier's operation, showing moist air entering, dry air exiting, and water droplets collecting in the tank.
Water Tank Full Indicator
- When the water tank is full, the FULL indicator light on the control panel will illuminate, and the unit will automatically shut off to prevent overflow.
- To resume operation, empty the water tank and reinsert it correctly.
Air Purification Function
The dehumidifier also contributes to air purification by reducing moisture, which can inhibit the growth of mold and mildew, common sources of indoor air pollutants and odors.

Image 6: The dehumidifier's air purification function, showing clean air being released, contributing to a healthier home environment.
Stopping the Dehumidifier
Press the ON button again to turn off the unit. Unplug the power cord if the unit will not be used for an extended period.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your dehumidifier.
Emptying the Water Tank
- When the 'FULL' indicator lights up, gently pull out the water tank from the back of the unit.
- Carefully pour out the collected water.
- Rinse the tank with clean water periodically to prevent mold or mildew growth. Do not use harsh detergents.
- Reinsert the empty water tank firmly into the unit until it clicks into place.
Cleaning the Exterior
- Wipe the exterior of the unit with a soft, damp cloth.
- Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the surface.
Cleaning the Air Inlet/Outlet
- Periodically check the air inlet and outlet vents for dust accumulation.
- Use a soft brush or a vacuum cleaner with a brush attachment to gently remove any dust or debris.
7. Troubleshooting
Before contacting customer support, please refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply Water tank full or incorrectly inserted | Check power cord connection and outlet Empty and reinsert water tank correctly |
| No water collected | Room humidity too low Temperature too low Air vents blocked | Dehumidifier may not be needed Unit operates best above 15°C (59°F) Clear any obstructions from air vents |
| Unit is noisy | Unit not on a level surface Obstruction in fan | Place on a flat, stable surface Turn off and unplug, then check for obstructions (if safe to do so) |
| Water leaks | Water tank not properly seated Water tank damaged | Ensure water tank is fully inserted Inspect tank for cracks; replace if damaged |
8. Specifications
Technical details for the Berdsen BR-20C Dehumidifier.

Image 7: The dehumidifier shown alongside its technical specifications, including power, capacity, and dimensions.
- Model: BR-20C (3809)
- Brand: Berdsen
- Dehumidification Capacity: 600 ml / 24 hours
- Water Tank Volume: 2000 ml
- Power Consumption: 90 W
- Power Supply: 220-240 V
- Recommended Room Size: Up to 30 m³
- Dimensions (L x W x H): 24.5 x 13.7 x 36.5 cm
- Weight: 2 kg
- Special Feature: Water level indicator
- Technology: Thermoelectric Peltier Module
9. Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your purchase or contact your retailer. Keep your proof of purchase for warranty claims.





