1. Important Safety Instructions
Please read this manual carefully before operating your Rohnson R-9530 Inverter Dehumidifier. Keep these instructions for future reference. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always ensure the dehumidifier is placed on a stable, level surface.
- Do not operate the unit near water or in excessively wet environments.
- Keep the power cord away from heated surfaces and do not place heavy objects on it.
- Do not insert objects into the air inlet or outlet.
- Unplug the unit before cleaning or performing any maintenance.
- 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.
- Children should be supervised to ensure that they do not play with the appliance.
2. Product Overview
The Rohnson R-9530 is an advanced inverter dehumidifier designed for efficient moisture control and air purification in spaces up to 180 m². It features ultra-quiet operation, smart Wi-Fi connectivity, and a 4.5-liter water tank.
2.1 Components
Familiarize yourself with the main parts of your dehumidifier:
- Control Panel (Top)
- Air Outlet (Top)
- Air Inlet (Side/Rear)
- Water Tank (Bottom Front)
- Continuous Drainage Outlet (Rear)
- Power Cord
- Wheels for portability

Image 2.1: Front view of the Rohnson R-9530 Inverter Dehumidifier, showcasing its cylindrical design and top control panel.

Image 2.2: Side view of the Rohnson R-9530 Inverter Dehumidifier, showing the air intake grille.
3. Setup
3.1 Unpacking
Carefully remove the dehumidifier from its packaging. Retain the packaging materials for future storage or transport. Check for any signs of damage during transit. If any damage is found, contact your retailer immediately.
3.2 Placement
For optimal performance, place the dehumidifier in a location where air can circulate freely around it. Ensure there is at least 20 cm (8 inches) of space around the unit, especially near the air inlet and outlet.
- Avoid placing the unit directly against a wall or furniture.
- Do not place it in direct sunlight or near heat sources.
- Ensure the room temperature is within the operating range (typically 5°C - 35°C).

Image 3.1: The Rohnson R-9530 Dehumidifier positioned in a living space, demonstrating appropriate clearance from walls and furniture for effective operation.
3.3 Power Connection
Plug the power cord into a grounded electrical outlet. Ensure the voltage matches the specifications of the unit.
4. Operating Instructions
4.1 Control Panel
The control panel is located on the top of the unit and features a digital display and touch-sensitive buttons.

Image 4.1: Close-up view of the Rohnson R-9530 Dehumidifier's top control panel, showing the digital display and various function buttons.
- Power Button (U): Turns the unit ON/OFF.
- Mode Button (M): Cycles through operating modes (Auto, Drying Clothes, Sleep).
- Humidity Setting Buttons (- / +): Adjusts the desired humidity level.
- Timer Button (Clock icon): Sets the 1-24 hour timer.
- Fan Speed Button (Fan icon): Adjusts fan speed (Low, High).
- Child Lock Button (Lock icon): Activates/deactivates child lock.
- Wi-Fi Indicator: Shows Wi-Fi connection status.
- Display: Shows current humidity, set humidity, and timer settings.
4.2 Basic Operation
- Press the Power button to turn on the dehumidifier.
- Use the Humidity Setting buttons to set your desired humidity level (e.g., 50% - 60% is generally recommended).
- The unit will automatically start dehumidifying until the set humidity level is reached.
4.3 Operating Modes
- Auto Mode: The unit automatically adjusts fan speed and dehumidification based on the ambient humidity to maintain the set level.
- Drying Clothes Mode (Turbo Boost): Operates at maximum fan speed and dehumidification to quickly dry laundry. The vertical air outlet aids in this process.
- Sleep Mode: Operates at the lowest fan speed for quiet operation, suitable for nighttime use. The display lights may dim.
4.4 Wi-Fi and App Control
The Rohnson R-9530 can be controlled remotely via the Rohnson Link App. Up to three family members can access the device simultaneously.
- Download the Rohnson Link App from your smartphone's app store.
- Ensure your home Wi-Fi network is 2.4GHz (5GHz networks are not supported for initial pairing).
- Follow the in-app instructions to pair your dehumidifier. This typically involves pressing and holding the Power and Mode buttons simultaneously for about 7 seconds until you hear an audible signal and the Wi-Fi LED blinks rapidly.
- Once connected, you can control the unit, set timers, and monitor humidity levels from anywhere.

Image 4.2: A user controlling the Rohnson R-9530 Dehumidifier via the Rohnson Link smartphone app, highlighting remote management capabilities.
4.5 Timer Function
The 1-24 hour timer allows you to set a specific duration for the unit to operate before automatically turning off.
- Press the Timer button.
- Use the Humidity Setting buttons to adjust the desired operating hours.
- The timer will start counting down, and the unit will turn off once the set time expires.
4.6 Child Lock
Activate the child lock to prevent accidental changes to settings by pressing and holding the Child Lock button for a few seconds. Repeat to deactivate.
5. Maintenance
Regular maintenance ensures the longevity and efficient operation of your dehumidifier.
5.1 Water Tank Emptying
When the water tank is full, the unit will automatically stop operating and an indicator light will illuminate. Carefully remove the water tank from the front of the unit and empty it. Reinsert the tank securely to resume operation.
5.2 Continuous Drainage
For continuous operation without needing to empty the tank, connect a drainage hose (not included) to the continuous drainage outlet at the rear of the unit. Ensure the hose is sloped downwards to allow gravity drainage into a suitable receptacle.
5.3 Filter Cleaning
The dehumidifier includes a dust filter that helps clean the air. Clean the filter regularly (e.g., every two weeks or as needed) to maintain air quality and unit efficiency.
- Turn off and unplug the dehumidifier.
- Locate and remove the air filter (refer to the diagram in the manual for exact location).
- Clean the filter with a vacuum cleaner or wash it gently with lukewarm water and mild detergent.
- Allow the filter to dry completely before reinserting it into the unit.

Image 5.1: The Rohnson R-9530 Dehumidifier illustrating its air purification function, which benefits from regular filter cleaning.
5.4 Storage
If storing the dehumidifier for an extended period:
- Empty the water tank and ensure it is completely dry.
- Clean the air filter.
- Store the unit in an upright position in a cool, dry place, away from direct sunlight.
6. Troubleshooting
Before contacting customer support, please refer to the following troubleshooting guide:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power; Power cord not plugged in; Water tank full or not properly inserted. | Check power supply; Plug in power cord; Empty and reinsert water tank correctly. |
| No dehumidification | Room temperature too low; Air filter clogged; Humidity setting too high. | Ensure room temperature is above 5°C; Clean air filter; Lower the desired humidity setting. |
| Unit is noisy | Unit not on a level surface; Air filter clogged; Obstruction in fan. | Place on a level surface; Clean air filter; Check for and remove any obstructions. |
| Wi-Fi connection issues | Incorrect Wi-Fi password; Router too far; 5GHz Wi-Fi network; Pairing mode not activated correctly. | Verify password; Move unit closer to router; Ensure 2.4GHz network; Re-enter pairing mode (Power + Mode for 7s). |
7. Specifications
Technical details for the Rohnson R-9530 Inverter Dehumidifier:
| Feature | Detail |
|---|---|
| Manufacturer | Vassilias SA |
| Model Number | R-9530 |
| Product Dimensions | 30 x 30 x 66 cm |
| Item Weight | 15 Kilograms |
| Color | White |
| Material | Plastic |
| Wattage | 290 Watt |
| Airflow | 230 CMPH |
| Floor Area Coverage | Up to 180 m² |
| Water Tank Capacity | 4.5 Liters |
| Dehumidification Capacity | 30 Liters/Day |
| Noise Level | 32 dB (Ultra Quiet) / 35 dB (Low Fan Speed) |
| Special Features | Inverter Technology, Smart Wi-Fi, Ionizer, 24h-Timer, Turbo Boost, Child Lock, Digital Display, Portable |
| Included Components | 1 Dehumidifier Unit |
8. Warranty and Support
Rohnson products are designed for reliability and performance. For warranty information, please refer to the warranty card included with your purchase or visit the official Rohnson website.
8.1 Customer Support
If you encounter any issues not covered in the troubleshooting section or require further assistance, please contact Rohnson customer support. Contact details can typically be found on the manufacturer's website or on your product packaging.
Please have your model number (R-9530) and purchase date ready when contacting support.







