1. Introduction
Thank you for choosing the Rohnson R-91212 Dehumidifier. This appliance is designed to effectively remove excess moisture from the air, improve air quality with its True Ion and Fresh Air functions, and provide a more comfortable living environment. Please read this manual thoroughly before operation to ensure proper use, maintenance, and safety.
Front view of the Rohnson R-91212 Dehumidifier, showcasing its sleek white design, digital display, and water level indicator.
2. 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 rating label.
- Do not operate the dehumidifier with a damaged cord or plug.
- Keep the appliance away from heat sources and direct sunlight.
- Do not block air inlets or outlets.
- Always unplug the unit before cleaning or performing any maintenance.
- This appliance is for indoor use only.
3. Product Overview
3.1 Components
- Control Panel with Digital Display
- Air Inlet Grille
- Air Outlet
- Water Tank
- Casters for easy mobility
- Power Cord
Angled view of the Rohnson R-91212 Dehumidifier, highlighting its compact design and integrated casters for portability.
3.2 Control Panel
Top-down view of the control panel, showing buttons for Anion (Ionization), Speed (Low/High), Timer, Mode (Dehumidify/Dry/Continuous), Humidity setting, and Power.
- Anion (Ionization) Button: Activates the independent ionization function for air purification.
- Speed Button: Toggles between Low and High fan speeds.
- Timer Button: Sets the operation timer from 1 to 24 hours.
- Mode Button: Selects operation modes: Dehumidify (DEHU), Dry (for laundry), and Continuous (CONT).
- Humidity (HUMI) Button: Adjusts the desired humidity level (30-80% RH).
- Power Button: Turns the unit On or Off.
4. Setup and Installation
4.1 Unpacking
Carefully remove the dehumidifier from its packaging. Retain the packaging for future storage or transport. Inspect the unit for any signs of damage.
4.2 Placement
Place the dehumidifier on a firm, level surface. Ensure there is at least 20 cm (8 inches) of space around the unit for proper airflow. The Rohnson R-91212 is suitable for rooms up to 60 m².
Diagram illustrating the dimensions of the Rohnson R-91212 Dehumidifier: 47.8cm height, 25.3cm depth, and 31.5cm width.
4.3 Power Connection
Plug the power cord into a grounded electrical outlet. Ensure the outlet meets the electrical requirements of the unit.
5. Operating Instructions
5.1 Power On/Off
Press the Power button to turn the dehumidifier on or off.
5.2 Setting Desired Humidity
Press the HUMI button repeatedly to set the desired humidity level between 30% and 80% Relative Humidity (RH). The unit will operate until the set humidity is reached.
5.3 Fan Speed Adjustment
Press the Speed button to switch between Low and High fan speeds. High speed provides faster dehumidification, while Low speed offers quieter operation.
The Rohnson R-91212 Dehumidifier operating quietly in a bedroom, indicated by a sleeping person and a 'no sound' icon, emphasizing its low noise level of 36 dB.
5.4 Operating Modes
Press the Mode button to cycle through the following modes:
- DEHU (Dehumidify): Standard dehumidification mode based on the set humidity level.
- DRY (Laundry Drying): Optimized for drying clothes. The unit operates continuously at high fan speed to quickly remove moisture from laundry.
- CONT (Continuous): The unit operates continuously regardless of the humidity level, ideal for very damp environments.
The Rohnson R-91212 Dehumidifier positioned near a clothes drying rack, illustrating its effective laundry drying function.
5.5 Timer Function
Press the Timer button to set an auto-off timer (1-24 hours). The unit will turn off automatically after the set time has elapsed.
5.6 True Ion & Fresh Air Function
Press the Anion button to activate the independent ionization function. This feature helps to purify the air by releasing negative ions, reducing dust and mold spores for a cleaner environment.
An illustration depicting the True Ion & Fresh Air feature, showing leaves floating in the air, symbolizing improved air quality and freshness.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your dehumidifier.
6.1 Emptying the Water Tank
When the water tank is full, the unit will automatically stop operating and an indicator light will illuminate. Carefully pull out the water tank from the front of the unit, empty the collected water, and then reinsert the tank firmly until it clicks into place.
Image showing the water tank being pulled out from the front of the Rohnson R-91212 Dehumidifier for emptying.
6.2 Continuous Drainage (Optional)
For continuous operation without emptying the tank, connect a drainage hose (not included) to the continuous drainage port located at the back of the unit. Ensure the hose is sloped downwards to allow gravity drainage.
6.3 Cleaning the Dust Filter
The dust filter should be cleaned every two weeks or more frequently depending on usage. Remove the filter from the back of the unit, wash it with warm, soapy water, rinse thoroughly, and allow it to air dry completely before reinserting.
6.4 General Cleaning
Wipe the exterior of the unit with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the unit is unplugged before cleaning.
6.5 Storage
If storing the dehumidifier for an extended period, empty the water tank, clean the filter, and ensure the unit is dry. Store it in a cool, dry place, preferably in its original packaging.
7. Troubleshooting
Before contacting customer support, please refer to the following troubleshooting guide:
| Problem | Possible Cause | Solution |
|---|---|---|
| Dehumidifier does not turn on. | No power supply. | Check if the power cord is securely plugged in and the outlet is functional. |
| Unit is running but not collecting water. | Room humidity is too low. | The unit will stop collecting water once the desired humidity is reached. Increase the set humidity or select Continuous mode. |
| Water tank is full. | Empty the water tank. | |
| Air filter is clogged. | Clean the air filter. | |
| Unit is noisy. | Unit is not on a level surface. | Place the unit on a flat, stable surface. |
| Air filter is dirty. | Clean the air filter. | |
| Water is leaking. | Water tank is not properly inserted. | Ensure the water tank is fully and correctly inserted. |
| Continuous drainage hose is blocked or improperly installed. | Check the drainage hose for kinks or blockages and ensure it is sloped correctly. |
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | R-91212 |
| Power Consumption | 160 Watt |
| Dehumidification Capacity | 12 Liters/24 Hours |
| Water Tank Volume | 2 Liters |
| Recommended Room Size | Up to 60 m² |
| Product Dimensions (L x W x H) | 19.5 x 27.5 x 44 cm |
| Item Weight | 11.1 Kilograms |
| Noise Level | 36 dB |
| Airflow | 130 CMPH |
| Fan Speeds | 2 (Low, High) |
| Humidity Setting Range | 30-80% RH |
| Timer Function | 1-24 Hours |
| Special Features | Digital Humidity Setting, True Ion & Fresh Air, Laundry Drying Function, Portable with Casters |
An image highlighting the energy efficiency of the Rohnson R-91212 Dehumidifier, with a meter indicating low energy consumption.
9. Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or contact Rohnson customer service. Keep your purchase receipt as proof of purchase.
For further assistance, you may visit the official Rohnson website or contact their authorized service centers.
