1. Introduction
Thank you for choosing the EuropAce 12L 3-in-1 Dehumidifier EDH 3121S. This appliance is designed to effectively reduce humidity levels in your indoor environment, contributing to a more comfortable and healthier living space. Please read this manual thoroughly before operating the unit to ensure proper use, maintenance, and safety. Keep this manual for future reference.
2. Safety Instructions
To prevent injury to the user or others and property damage, the following instructions must be followed. Incorrect operation due to ignoring instructions may cause harm or damage.
- Always ensure the unit is placed on a stable, level surface to prevent tipping.
- Do not operate the dehumidifier near water or in excessively wet environments.
- Keep the power cord away from heated surfaces and ensure it is not pinched or walked on.
- Unplug the unit from the power outlet before cleaning, performing maintenance, or when not in use for extended periods.
- Do not insert fingers or foreign objects into the air inlet or outlet.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Ensure the air filters are clean and unobstructed for optimal performance and to prevent overheating.
- Do not attempt to repair or modify the unit yourself. Contact qualified service personnel for any repairs.
3. Product Overview
The EuropAce EDH 3121S is a versatile 3-in-1 dehumidifier designed for efficient moisture removal.

Figure 3.1: Front view of the EuropAce EDH 3121S Dehumidifier. This image shows the sleek white casing with a copper-colored band and the EuropAce logo, indicating the overall design of the unit.

Figure 3.2: Rear view of the EuropAce EDH 3121S Dehumidifier. This image displays the air intake grille, the power cord connection, and the label with product specifications, including the model number and electrical requirements.
Key Components:
- Control Panel: LED touch sensor for various functions.
- Air Inlet/Outlet: For air circulation and moisture extraction.
- Water Tank: Extra-large capacity for collected moisture.
- Power Cord: For electrical connection.
- Wheels/Casters: For easy mobility (if applicable).
4. Setup
Follow these steps to set up your dehumidifier for first use:
- Unpacking: Carefully remove the dehumidifier from its packaging. Retain the packaging materials for future storage or transport.
- Placement: Place the unit upright on a firm, level surface. Ensure there is at least 20-30 cm (8-12 inches) of space around the unit for proper air circulation. Avoid placing it against walls or furniture that could obstruct airflow.
- Power Connection: Plug the power cord into a grounded electrical outlet. Ensure the voltage matches the specifications of the unit.
- Initial Operation: Allow the unit to stand upright for at least 2 hours before plugging it in and turning it on, especially if it was transported on its side. This allows the refrigerant to settle.
5. Operating Instructions
The EuropAce EDH 3121S features an intuitive LED touch sensor control panel for easy operation.

Figure 5.1: Close-up of the LED touch control panel. This image highlights the various touch buttons and the digital display, showing controls for power, timer, and humidity settings.
Control Panel Functions:
- Power Button (⏻): Press to turn the unit ON or OFF.
- Timer Button (🕒): Press to set the auto-on or auto-off timer. Use the Up/Down arrows to adjust the desired time in hours.
- Up/Down Arrows (▲/▼): Used to adjust the desired humidity level or timer settings.
- Mode Button (often indicated by a symbol like a snowflake or fan): Cycles through different operating modes (e.g., Dehumidify, Continuous, Fan Only). Refer to the display for current mode.
- Humidity Display: Shows the current room humidity level or the set humidity level.
- Full Water Tank Indicator (💧): Illuminates when the water tank is full and needs to be emptied. The unit will automatically shut off.
Operating Modes:
- Dehumidify Mode: The unit will operate to reach and maintain the set humidity level.
- Continuous Dehumidification: The unit will run continuously regardless of the humidity level until the water tank is full or the unit is turned off.
- Timer Function: Set the unit to turn on or off after a specified number of hours (e.g., 2, 4, 8 hours).
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your dehumidifier.
Emptying the Water Tank:
- When the water tank is full, the unit will stop operating, and the 'Full Water Tank' indicator will illuminate.
- Carefully pull out the water tank from the front or side of the unit.
- Empty the collected water.
- Slide the empty water tank back into its position until it clicks securely. The unit will resume operation.
Cleaning the Air Filter:
The air filter should be cleaned every two weeks or more frequently depending on usage and air quality.
- Turn off the dehumidifier and unplug it from the power outlet.
- Locate the air filter (usually at the back or side of the unit).
- Remove the filter.
- Wash the filter with clean, lukewarm water and a mild detergent. Rinse thoroughly.
- Allow the filter to air dry completely before reinstalling it. Do not expose it to direct sunlight or high heat.
- Reinsert the dry filter into the unit.
Cleaning the Unit Exterior:
Wipe the exterior of the unit with a soft, damp cloth. Do not use harsh chemicals, abrasives, or solvents, as these can damage the surface.
7. Troubleshooting
Before contacting customer support, please refer to the following troubleshooting guide for common issues.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply Power cord not securely plugged in Water tank full or not properly inserted | Check power outlet and circuit breaker Ensure power cord is firmly plugged in Empty and correctly reinsert the water tank |
| No dehumidification | Air filter clogged Room temperature too low Humidity setting too high | Clean the air filter Dehumidifiers operate best above 5°C (41°F) Lower the desired humidity setting |
| Unit is noisy | Unit not on a level surface Air filter clogged Internal components vibrating | Place unit on a flat, stable surface Clean the air filter If noise persists, contact customer support |
| Water leaks from unit | Water tank not properly inserted Drain hose (if used) is blocked or loose | Ensure water tank is correctly seated Check drain hose for blockages or loose connections |
8. Specifications
Technical specifications for the EuropAce 12L 3-in-1 Dehumidifier EDH 3121S.
- Model: EDH 3121S
- Capacity: 12 Liters/day (at specified conditions)
- Tank Volume: 12 Litres (This appears to be a duplicate of capacity, likely referring to the water tank volume based on context)
- Floor Area: 20 Square Meters
- Product Dimensions: 30D x 50W x 30H centimetres
- Number of Speeds: 3
- Special Features: Timer, LED Touch Sensor, Multi Function Dehumidifier
- Included Components: Dehumidifier
- Recommended Product Uses: Residential

Figure 8.1: Dimensional representation of the EuropAce Dehumidifier. The image illustrates the height of the unit, approximately 49 cm (20 inches), providing a visual reference for its size.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official EuropAce website. Keep your purchase receipt as proof of purchase for warranty claims.





