Introduction
Thank you for choosing the Arebos 4-in-1 Air Cooler. This versatile appliance combines the functions of an air cooler, air purifier, humidifier, and fan, providing a comfortable indoor environment. It operates without an exhaust hose, making it easy to set up and move. Please read this manual carefully before use to ensure proper operation and maintenance.

Image: The Arebos 4-in-1 Air Cooler operating in a room, demonstrating its cooling effect.

Image: An overview of the key features of the Arebos 4-in-1 Air Cooler, including its various modes and technologies.
Safety Instructions
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury.
- Read all instructions before operating the appliance.
- Do not operate the appliance with a damaged cord or plug.
- Do not place the appliance near heat sources or in direct sunlight.
- Ensure the appliance is placed on a stable, level surface.
- Do not immerse the appliance, cord, or plug in water or other liquids.
- Unplug the appliance before cleaning, maintenance, or when not in use.
- Keep out of reach of children and pets.
- Only use the appliance for its intended purpose as described in this manual.
Package Contents
Verify that all components are present in the packaging:
- Arebos 4-in-1 Air Cooler Unit
- Remote Control
- 2 Ice Packs (Cooling Elements)
- Instruction Manual

Image: The main unit, remote control, and two ice packs included with the air cooler.
Setup
1. Placement
Place the air cooler on a firm, level surface. Ensure there is adequate space around the unit for proper airflow. Avoid placing it directly against walls or furniture.
2. Filling the Water Tank
- Pull out the water tank from the bottom rear of the unit.
- Fill the tank with clean water up to the 'MAX' level indicator. Do not overfill.
- For enhanced cooling, place the two included ice packs (after freezing them) into the water tank.
- Carefully push the water tank back into the unit until it clicks into place.

Image: A composite image illustrating key setup and maintenance steps, including filling the water tank and accessing the air filter.
Operating Instructions
The Arebos Air Cooler can be operated using the control panel on top of the unit or the included remote control.
Control Panel & Remote Control Functions
- Power Button (U): Turns the unit ON or OFF.
- Speed Button (Fan icon): Adjusts fan speed (Low, Medium, High, Turbo - 4 levels).
- Mode Button (M): Cycles through operating modes: Normal, Natural, Sleep (Night Mode).
- Cooling/Humidifying Button (Water drop icon): Activates or deactivates the cooling/humidifying function. Ensure the water tank is filled when using this mode.
- Oscillation Button (C): Activates or deactivates the automatic horizontal oscillation of the air vents.
- Timer Button (Clock icon): Sets the auto-off timer. Press repeatedly to select desired operating time (up to 8 hours).
Night Mode
The Night Mode (Sleep Mode) provides a quieter operation and adjusts the fan speed automatically to ensure a comfortable sleeping environment. The display lights may also dim.

Image: The air cooler in a bedroom at night, demonstrating its quiet operation and ambient lighting in night mode.
Maintenance
Regular cleaning and maintenance will ensure the longevity and optimal performance of your air cooler.
1. Cleaning the Air Filter
- Unplug the appliance from the power outlet.
- Locate the air filter panel at the rear of the unit.
- Gently pull out the filter.
- Clean the filter with a soft brush or vacuum cleaner to remove dust. For deeper cleaning, rinse it under running water. Ensure it is completely dry before reinserting.
- Slide the clean, dry filter back into its slot until it is secure.
2. Cleaning the Water Tank
- Unplug the appliance.
- Remove the water tank.
- Empty any remaining water.
- Clean the inside of the tank with a soft cloth and mild detergent. Rinse thoroughly to remove any soap residue.
- Allow the tank to air dry completely before reinserting it.
3. Exterior Cleaning
Wipe the exterior of the unit with a soft, damp cloth. Do not use abrasive cleaners or solvents.
4. Storage
If storing the unit for an extended period, ensure the water tank is empty and clean, and the air filter is clean and dry. Store the appliance in a cool, dry place, away from direct sunlight.
Troubleshooting
If you encounter any issues, refer to the following table before contacting customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply Power button not pressed | Check power cord connection and wall outlet Press the power button |
| Weak airflow | Air filter clogged Fan speed too low | Clean the air filter Increase fan speed |
| No cooling effect | Water tank empty Cooling function not activated Ice packs not frozen or used | Fill water tank Activate cooling mode Freeze and insert ice packs |
| Unusual noise | Unit not on a level surface Obstruction in fan | Place unit on a stable, level surface Unplug and check for obstructions (e.g., loose debris) |
Specifications
Detailed technical specifications for the Arebos 4-in-1 Air Cooler Model AR-HE-AC4550:
| Feature | Specification |
|---|---|
| Model Name | AR-HE-AC4550 |
| Brand | Arebos |
| Product Dimensions (L x W x H) | 24.5 x 29 x 64.5 cm |
| Material | Plastic |
| Color | White |
| Control Type | Remote Control |
| Special Feature | Air Purification Filter |
| Recommended Use | Private (Home Use) |
| Form Factor | Tower |
| Included Components | 2 Ice Packs, Remote Control |
| Mounting Type | Freestanding |
| Wattage / Power Consumption | 50 Watts |
| Number of Speeds | 4 |

Image: Technical drawing indicating the dimensions of the air cooler unit.
Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or visit the official Arebos website. Keep your proof of purchase for warranty claims.