Introduction
Thank you for choosing the Rohnson Genius 16 Dehumidifier. This appliance is designed to efficiently remove excess moisture from your indoor environment, improve air quality, and create a healthier living space. With its advanced features, including Wi-Fi control, a powerful dehumidification capacity of up to 16 liters per day, and an ultra-quiet operation, the Genius 16 is an ideal solution for rooms up to 100 square meters. Please read this manual thoroughly before operating the unit to ensure safe and optimal performance.

Image: The Rohnson Genius 16 Dehumidifier, a white rectangular unit with a central display, shown alongside a Wi-Fi symbol and a smartphone displaying the control app. This illustrates the unit's smart connectivity.
Safety Instructions
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury.
- Ensure the power supply matches the voltage specified on the unit's rating label.
- Do not operate the unit with a damaged cord or plug.
- Keep the unit away from heat sources and direct sunlight.
- Do not block air inlets or outlets.
- Always unplug the unit before cleaning or performing maintenance.
- Keep out of reach of children.
Product Overview
The Rohnson Genius 16 Dehumidifier is equipped with several features to enhance your indoor air quality and comfort.
- Efficient Dehumidification: Removes up to 16 liters of moisture per day, suitable for areas up to 100 m².
- Advanced Air Purification: Features UV-C light and a dual ionizer to eliminate bacteria and odors. An optional HEPA 13 + Activated Carbon filter can remove 99.7% of particles, smoke, chemicals, and allergens.
- Ultra-Quiet Operation: Operates at a low noise level of 36 dB(A) in low fan mode, ideal for bedrooms and living areas.
- Smart Control: Wi-Fi enabled for remote control via the Rohnson App (Android and iOS compatible). Includes a touch control panel, 1-24 hour timer, and automatic restart after power failure.
- Energy Saving Design: Powerful yet energy-efficient with only 240W power consumption. Features a Turbo-Boost mode for fast clothes drying and automatic shut-off when the water tank is full.
- Digital Humidity Display: A color indicator (Blue, Green, Red) shows current humidity levels for easy monitoring.

Image: The Rohnson Genius 16 Dehumidifier positioned in a living room, illustrating its compact size. Key features are overlaid, including its 16L/day dehumidification capacity, anti-frost system, digital humidity display, smart Wi-Fi control, UV-C light and ionizer, silent 36dB operation, and 6.5L water tank.
Setup
1. Unpacking
Carefully remove the dehumidifier from its packaging. Inspect the unit for any signs of damage. Retain the packaging for future storage or transport.
2. Placement
Place the dehumidifier on a firm, level surface in the area where dehumidification is desired. For optimal performance, ensure there is at least 20 cm (8 inches) of space around all sides of the unit to allow for proper airflow. The unit is effective for rooms up to 100 m². For best air circulation, consider placing it centrally within the room.

Image: A diagram illustrating the optimal placement of the dehumidifier in different household areas such as a laundry room, bedroom, living room, office, and basement, emphasizing central positioning for maximum effectiveness in rooms up to 100 m².
3. Power Connection
Plug the power cord into a grounded electrical outlet. Ensure the outlet meets the electrical requirements of the unit (230 Volts AC).
4. Filter Installation (Optional HEPA 13 + Activated Carbon Filter)
The Rohnson Genius 16 comes with an optional HEPA 13 + Activated Carbon filter for enhanced air purification.
- Locate the filter compartment, typically at the back or side of the unit.
- Open the filter cover.
- Insert the HEPA 13 + Activated Carbon filter, ensuring it is correctly oriented.
- Close the filter cover securely.
5. Water Drainage Options
The unit offers two drainage methods:
- Water Tank: The unit has a 6.5-liter water tank. When the tank is full, the unit will automatically shut off and an indicator will light up. Empty the tank and reinsert it to resume operation.
- Continuous Drainage: For continuous operation without needing to empty the tank, connect a drainage hose (not included) to the continuous drainage port on the unit. Route the hose to a suitable drain or larger container.
Operating Instructions
1. Control Panel
The Rohnson Genius 16 features an intuitive touch control panel and a digital display.
- Power Button: Turns the unit on or off.
- Mode Selection: Cycle through different operating modes (e.g., Dehumidification, Turbo-Boost, Night Mode).
- Fan Speed: Adjust fan speed (low, medium, high).
- Humidity Setting: Set your desired humidity level. The unit will operate until this level is reached.
- Timer Button: Set a timer for automatic shut-off (1-24 hours).
- UV-C/Ionizer Button: Activates or deactivates the UV-C light and dual ionizer.
- Digital Display: Shows current humidity, temperature, and selected settings.

Image: A visual representation of the digital humidity control feature, showing the dehumidifier and its color-coded humidity indicators. Blue indicates humidity below 55%, Green for 55-70%, and Red for above 70%, providing an easy visual cue for air moisture levels.
2. Wi-Fi App Control
Control your Rohnson Genius 16 from anywhere using the Rohnson App.
- Download the "Rohnson" app from the App Store (iOS) or Google Play Store (Android).
- Register an account and log in.
- Follow the in-app instructions to add your Rohnson Genius 16 dehumidifier. This typically involves putting the unit into pairing mode and connecting it to your home Wi-Fi network.
- Once connected, you can remotely monitor humidity, adjust settings, set schedules (hourly, daily, weekly), and control all functions of the dehumidifier.

Image: A banner illustrating the smart connectivity of the dehumidifier, showing the unit and a smartphone displaying the Rohnson app. This highlights the ability to control the room climate remotely, schedule operations, and monitor humidity via a smartphone, compatible with both Android and iOS.
3. Special Modes
- Turbo-Boost Mode (Laundry Drying): This mode provides a powerful airflow to quickly dry clothes indoors. Position the unit near the laundry for efficient drying.
- Night Mode: Reduces fan speed and dims display lights for quiet operation during sleep.

Image: The Rohnson Genius 16 Dehumidifier positioned in a room with a clothes drying rack, illustrating its effectiveness in drying laundry indoors, especially useful during rainy weather or in apartments without balconies.
Maintenance
Regular maintenance ensures the longevity and efficient operation of your dehumidifier. Always unplug the unit before cleaning.
1. Cleaning the 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.
2. Cleaning/Replacing Filters
The air filter should be cleaned regularly (e.g., every two weeks or as needed) to maintain optimal performance. If using the optional HEPA 13 + Activated Carbon filter, refer to its specific replacement schedule.
- Turn off and unplug the dehumidifier.
- Remove the filter cover and carefully take out the filter(s).
- For washable filters, rinse with lukewarm water and mild detergent. Allow to air dry completely before reinserting.
- For HEPA/Activated Carbon filters, these are typically not washable and should be replaced according to manufacturer recommendations or when visibly dirty.
- Reinsert the clean/new filter(s) and close the cover.
3. Emptying the Water Tank
When the water tank is full, the unit will stop operating.
- Gently pull out the water tank from the unit.
- Carefully empty the collected water.
- Clean the tank with mild soap and water if necessary, then rinse thoroughly.
- Reinsert the empty tank firmly into the unit until it clicks into place. The unit will resume operation.
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, power cord loose, water tank full or not properly inserted. | Check power connection. Empty and reinsert water tank securely. |
| No water collected / Low dehumidification. | Room humidity too low, air filter clogged, temperature too low, unit size too small for room. | Check current humidity setting. Clean or replace air filter. Ensure room temperature is above 5°C (41°F). |
| Unit is noisy. | Unit not on a level surface, fan obstruction, dirty filter. | Place unit on a flat, stable surface. Check for obstructions in fan area. Clean filter. |
| Wi-Fi connection issues. | Incorrect Wi-Fi password, unit too far from router, app not updated. | Ensure correct Wi-Fi password. Move unit closer to router. Update Rohnson App. Refer to app's troubleshooting guide. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Rohnson |
| Model Number | R-9916W |
| Dehumidification Capacity | Up to 16 liters/day |
| Recommended Room Area | Up to 100 m² |
| Water Tank Capacity | 6.5 liters |
| Noise Level | 36 dB(A) (low fan mode) |
| Power Consumption | 240 W |
| Voltage | 230 Volts (AC) |
| Product Dimensions (L x W x H) | 28 x 38 x 64 cm |
| Item Weight | 16 Kilograms |
| Special Features | Digital Display, Wi-Fi Control, UV-C Light, Dual Ionizer, Optional HEPA 13 Filter, Turbo-Boost Mode, Auto Shut-off, Auto Restart |
| Color | White |
Warranty and Support
For information regarding warranty coverage and customer support, please refer to the warranty card included with your product or visit the official Rohnson website. Keep your purchase receipt as proof of purchase.
If you encounter issues not covered in this manual, please contact Rohnson customer service for assistance.





