Introduction
Thank you for choosing the Auronic Electric Air Dehumidifier. This appliance is designed to effectively remove excess moisture from the air, creating a more comfortable and healthier indoor environment. It is ideal for use in various spaces such as bathrooms, basements, and living areas, helping to prevent issues like mold, mildew, and dampness. Please read this manual thoroughly before operation to ensure proper use, maintenance, and safety.

Figure 1: Auronic Electric Air Dehumidifier (Model AU3129 12L)

Figure 2: Humidity Reduction Effectiveness
Safety Information
To reduce the risk of fire, electric shock, or injury, always follow these basic safety precautions:
- Read all instructions before using the appliance.
- Ensure the power supply matches the voltage specified on the rating label.
- Do not operate the dehumidifier if the power cord or plug is damaged.
- Always place the unit on a stable, level surface.
- Keep the appliance at least 20 cm away from walls or other objects to ensure proper airflow.
- Do not insert fingers or foreign objects into the air inlet or outlet.
- Unplug the dehumidifier before cleaning, moving, or performing any maintenance.
- Do not use the appliance in wet or damp environments where water may splash.
- Keep out of reach of children.
- If the unit has been tilted, allow it to stand upright for at least 24 hours before plugging it in.
Product Overview
Familiarize yourself with the components of your Auronic Dehumidifier.

Figure 3: Dehumidifier Dimensions and Included Accessories

Figure 4: Easy Portability with Wheels and Handle

Figure 5: Multi-Angle View of the Dehumidifier

Figure 6: Control Panel Overview
Key Components:
- Control Panel: Intuitive interface for setting modes, humidity levels, and timer.
- Air Inlet/Outlet: Where air enters and exits the unit. Ensure these are not obstructed.
- Water Tank: Removable 2-liter tank for collecting condensed water.
- Continuous Drain Outlet: Port for attaching a hose for continuous drainage.
- Wheels and Handle: For easy portability.
- Air Filter: Located at the back, helps filter dust from the air.
Setup
- Unpacking: Carefully remove the dehumidifier from its packaging. Retain packaging for future storage or transport.
- Placement: Place the unit upright on a firm, level surface in the desired location. Ensure there is at least 20 cm of clear space around all sides for proper air circulation.
- Initial Standby: If the unit was tilted during transport, let it stand upright for a minimum of 24 hours before plugging it in. This allows the refrigerant to settle.
- Power Connection: Plug the power cord into a grounded electrical outlet.
- Water Tank: Ensure the water tank is correctly inserted into the unit. The dehumidifier will not operate if the tank is full or improperly seated.
Operating Instructions
Control Panel Functions:
| Button/Indicator | Function |
|---|---|
| Power Button | Turns the unit ON or OFF. |
| Mode Button | Cycles through operating modes (e.g., Dehumidify, Laundry Drying, Sleep). |
| Hum Set Button | Adjusts the desired humidity level (e.g., 40% - 80% RH). |
| Timer Button | Sets the auto-on or auto-off timer (up to 12 hours). |
| Speed Button | Adjusts fan speed (e.g., High, Low). |
| Lock Button | Locks the control panel to prevent accidental changes. |
| Humidity Indicator LED | Changes color based on current humidity level (e.g., Blue: <45%, Green: 45-65%, Red: >65%).![]() Figure 7: Humidity Indicator LED Explained |
General Operation:
- Turn On: Press the Power button. The display will show the current room humidity.
- Set Desired Humidity: Press the Hum Set button repeatedly to select your desired humidity level. The unit will operate until this level is reached, then cycle on and off to maintain it.
- Select Mode: Press the Mode button to choose between different operating modes.
- Dehumidify Mode: Standard operation to reduce ambient humidity.
- Laundry Drying Mode: Increases fan speed and continuous operation to assist in drying clothes.

Figure 8: Using the Dehumidifier for Laundry Drying
- Sleep Mode: Operates at a lower fan speed and reduced noise level for quiet nighttime use.

Figure 9: Silent Operation for Nighttime Use
- Set Timer: Press the Timer button to set an auto-off time (when the unit is on) or an auto-on time (when the unit is off).

Figure 10: Integrated Timer Function
- Fan Speed: Use the Speed button to adjust the fan speed as desired.
- Child Lock: Press and hold the Lock button for 3 seconds to activate/deactivate the child lock function.
Continuous Drainage:
For continuous operation without emptying the water tank, you can connect the included drain hose to the continuous drain outlet. Ensure the hose is sloped downwards to allow gravity drainage into a suitable receptacle or drain.

Figure 11: Continuous Drainage Setup
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 automatically stop operating and an indicator light will illuminate. Carefully remove the tank, empty the collected water, and reinsert it firmly until it clicks into place.

Figure 12: Removing the 2-Liter Water Tank
Cleaning the Air Filter:
The air filter should be cleaned every two weeks or more frequently depending on usage and air quality.
- Turn off and unplug the dehumidifier.
- Locate and remove the air filter from the back of the unit.
- Clean the filter with warm, soapy water or use a vacuum cleaner to remove dust.
- Rinse thoroughly and allow the filter to air dry completely before reinserting.
Cleaning the Unit Exterior:
Wipe the exterior of the dehumidifier with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
Troubleshooting
Before contacting customer support, please refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Dehumidifier does not turn on. | No power, power cord loose, water tank full or improperly seated. | Check power connection, empty and reinsert water tank correctly. |
| No water collected. | Room humidity too low, temperature too low, air filter clogged, continuous drain hose connected. | Check room humidity/temperature, clean air filter, ensure continuous drain hose is not connected if tank collection is desired. |
| Unit is noisy. | Unit not on a level surface, air filter clogged, internal component issue. | Place on a level surface, clean air filter. If noise persists, contact support. |
| Dehumidification is slow or ineffective. | Room size too large, doors/windows open, air inlets/outlets blocked, air filter dirty. | Ensure room is sealed, clear obstructions, clean air filter. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Auronic |
| Model Name | Auronic Silent Low Consumption Dehumidifier |
| Product Dimensions (L x W x H) | 21.5 x 47 x 25.5 cm |
| Item Weight | 11 Kilograms |
| Capacity (Dehumidification) | 12 Liters per day |
| Water Tank Volume | 2 Liters |
| Power | 185 Watts |
| Color | White |
| Special Features | Easy to use, Laundry Drying function, Prevents and effectively eliminates humidity, 2-liter tank, Automatic shut-off. |
| Recommended Use | Domestic |
Warranty and Support
Auronic products are manufactured to the highest quality standards. For warranty information, technical support, or service inquiries, please refer to the contact details provided on your purchase receipt or visit the official Auronic website. Please have your model number (AU3129 12L) and purchase date ready when contacting support.






