1. Introduction
Thank you for choosing the Acekool HC300 Portable Air Conditioner. This manual provides essential information for the safe and efficient operation, installation, and maintenance of your unit. Please read it thoroughly before use and retain it for future reference.
The Acekool HC300 is a versatile 4-in-1 unit designed to provide comfort in various environments. It offers cooling, fan, dehumidification, and sleep modes, making it suitable for year-round use in rooms up to 350 square feet.

Image 1.1: The Acekool HC300 Portable Air Conditioner with its remote control.

Image 1.2: Overview of the Acekool HC300's key features, including its 3-in-1 functionality, 8000 BTU cooling capacity, sleep mode, dehumidification, timer, and low noise operation.
2. Safety Information
Please observe the following safety precautions to reduce the risk of fire, electric shock, or injury.
- Ensure the power supply matches the voltage specified on the unit's rating label.
- Do not operate the unit with a damaged power cord or plug.
- Always plug the unit into a grounded outlet. Do not use extension cords or adapter plugs.
- Keep the unit at least 20 inches (50 cm) away from walls or other objects to ensure proper airflow.
- Do not insert fingers or objects into the air inlet or outlet.
- Unplug the unit before cleaning or performing any maintenance.
- Do not use the unit in wet environments such as bathrooms or laundry rooms.
- 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.
3. Product Overview
3.1 Included Components
- Portable Air Conditioner Unit
- Remote Control
- Exhaust Hose
- Slide Bar (Window Kit)
- Slide Bar Connector
- Exhaust Pipe Joints (2)

Image 3.1: All components included with the Acekool HC300 Portable Air Conditioner for complete setup.
3.2 Unit Features
The Acekool HC300 offers multiple functionalities for optimal comfort:
- Cooling Mode: Provides 8000 BTUs (ASHRAE) of cooling power for rooms up to 350 sq. ft.
- Fan Mode: Circulates air without cooling.
- Dehumidifier Mode: Removes up to 44.9 pints of moisture per day.
- Sleep Mode: Operates at a reduced noise level (50 dB) for quiet nighttime use.
- Quiet Operation: Operates at approximately 54 dB in cooling mode.
- User-Friendly Controls: Features an intuitive LED touch panel and a remote control.
- Portability: Compact design with built-in handles and rolling casters for easy movement.

Image 3.2: The Acekool HC300 provides three primary functions: cooling, dehumidifying, and fan operation.

Image 3.3: Detailed view of the unit's LED display, control panel, integrated carry handle, smooth-rolling wheel casters, and adjustable wide-angle louver.
4. Setup and Installation
The Acekool HC300 is designed for quick and easy installation. Follow these steps to set up your unit:
- Unpack the Unit: Carefully remove the air conditioner and all accessories from the packaging.
- Position the Unit: Place the unit on a flat, stable surface, ensuring there is at least 20 inches (50 cm) of clear space around it for proper airflow.
- Assemble the Window Kit:
- Connect the exhaust hose to one of the exhaust pipe joints.
- Attach the other exhaust pipe joint to the window slide bar.
- Adjust the window slide bar to fit your window opening and secure it.
- Connect the Exhaust Hose: Attach the assembled exhaust hose to the exhaust outlet on the back of the air conditioner unit. Ensure a secure connection to prevent air leakage.
- Plug In: Insert the power plug into a grounded electrical outlet.

Image 4.1: The portable air conditioner is shown with its exhaust hose properly connected to a window kit for ventilation.

Image 4.2: The compact design of the Acekool HC300 allows it to fit discreetly in various room settings, providing efficient cooling.
5. Operating Instructions
The Acekool HC300 can be operated using the control panel on the unit or the included remote control.
5.1 Control Panel and Remote

Image 5.1: The LED touch panel and remote control provide easy access to all functions of the air conditioner.
5.2 Operating Modes
- Cool Mode: Press the 'Mode' button until 'Cool' is selected. Adjust the temperature using the '+' and '-' buttons.
- Fan Mode: Press the 'Mode' button until 'Fan' is selected. Adjust fan speed (Low, Medium, High) using the 'Fan Speed' button.
- Dehumidify Mode: Press the 'Mode' button until 'Dry' (Dehumidify) is selected. The unit will automatically remove moisture from the air.
- Sleep Mode: Activate Sleep Mode for quieter operation during nighttime. This mode typically adjusts temperature and fan speed automatically for comfort.
5.3 Timer Function
Use the 'Timer' button to set a delayed start or stop time for the unit. Press the 'Timer' button, then use '+' and '-' to adjust the desired hours.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your Acekool HC300.
6.1 Filter Cleaning
The air filter should be cleaned every two weeks or more frequently depending on usage and air quality.
- Unplug the unit from the power outlet.
- Locate and remove the air filter from the back of the unit.
- Wash the filter with warm, soapy water. Rinse thoroughly.
- Allow the filter to air dry completely before reinstalling it.
6.2 Water Drainage
The Acekool HC300 features a self-evaporation system, which typically eliminates the need for manual drainage in most conditions. However, in areas with high humidity or when operating in Dehumidify mode, manual drainage may be required.

Image 6.1: The self-evaporation system minimizes the need for manual drainage, but in high humidity or dehumidifier mode, manual draining may be necessary.
To drain the unit manually:
- Unplug the unit.
- Place a shallow pan or tray under the drainage port at the bottom rear of the unit.
- Remove the drain plug.
- Allow all water to drain completely.
- Replace the drain plug securely.

Image 6.2: The unit's advanced dehumidification technology can remove up to 45 pints of moisture, significantly reducing indoor humidity.
6.3 Storage
If storing the unit for an extended period:
- Drain all water from the unit.
- Clean the air filter.
- Run the unit in fan-only mode for a few hours to dry the interior.
- Store the unit in a dry, upright position, covered to protect it from dust.
7. Troubleshooting
Refer to this section for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power; Power cord not plugged in; Circuit breaker tripped | Check power outlet; Ensure plug is fully inserted; Reset circuit breaker |
| Unit not cooling effectively | Air filter dirty; Exhaust hose not properly installed; Room too large; Doors/windows open | Clean air filter; Ensure exhaust hose is sealed; Close doors/windows; Check room size against unit capacity |
| Water leakage | Drain plug loose; Unit not level; High humidity causing excess condensation | Secure drain plug; Place unit on a level surface; Drain unit manually if necessary |
| Unusual noise | Unit not level; Obstruction in fan; Normal operating sounds | Ensure unit is on a level surface; Check for obstructions; Some operational sounds are normal |
8. Specifications
| Feature | Specification |
|---|---|
| Model Name | HC300 |
| Cooling Power | 8000 BTUs (ASHRAE) |
| Coverage Area | Up to 350 sq. ft. |
| Product Dimensions (D x W x H) | 13.19" x 12.91" x 34.25" |
| Item Weight | 44.3 pounds |
| Voltage | 110V |
| Noise Level (Cooling Mode) | 54 dB |
| Noise Level (Sleep Mode) | 50 dB |
| Dehumidification Capacity | 44.9 pints/day |
9. Warranty and Support
The Acekool HC300 Portable Air Conditioner comes with a 2-year warranty from the date of purchase.
For warranty claims, technical support, or any questions regarding your product, please refer to the contact information provided on your purchase receipt or visit the official Acekool website. Please have your model number (HC300) and proof of purchase ready when contacting support.








