1. Safety Information
Read all safety warnings and instructions carefully before installing, operating, or performing maintenance on this appliance. Failure to follow these instructions may result in electric shock, fire, property damage, or personal injury.
- Electrical Safety: Ensure the power supply matches the unit's requirements (240V). Do not use damaged power cords or plugs. Disconnect power before cleaning or servicing.
- Installation: Installation must be performed by qualified personnel in accordance with local electrical and safety codes. Ensure proper grounding.
- Children and Pets: Keep children and pets away from the unit during operation and maintenance. Do not allow children to play with the appliance or its remote control.
- Operation: Do not insert fingers or objects into the air inlet/outlet. Do not spray water directly onto the unit.
- Maintenance: Only use authorized service technicians for repairs. Do not attempt to repair the unit yourself.
2. Product Overview
The AUX Split Air Conditioner, Model AUX-18CN, is designed to provide efficient cooling for your indoor space. It features a powerful 18400 BTU cooling capacity and includes a dust filter for improved air quality. The unit is controlled via a remote control for convenient operation.

Figure 2.1: Indoor unit of the AUX Split Air Conditioner. This image shows the sleek white design of the air conditioner, typically mounted high on a wall.
Key Features:
- Cooling Capacity: 18400 British Thermal Units (BTU)
- Special Feature: Integrated Dust Filter
- Control Method: Remote Control
- Color: White
- Power Source: Wired Electric (240V)
3. Setup and Installation
The AUX Split Air Conditioner requires professional installation. Do not attempt to install the unit yourself unless you are a certified technician. Improper installation can lead to electric shock, fire, water leakage, and other hazards.
Initial Use:
- After professional installation, ensure all connections are secure and the unit is properly grounded.
- Plug the unit into a dedicated 240V power outlet.
- Press the ON/OFF button on the remote control to start the unit.
- Allow a few minutes for the system to stabilize and begin cooling.
4. Operating Instructions
The air conditioner is operated using the provided remote control. Ensure there are no obstructions between the remote control and the indoor unit's receiver.
Remote Control Functions:
- ON/OFF Button: Powers the unit on or off.
- MODE Button: Cycles through operating modes:
- Cool: Provides cooling.
- Fan: Circulates air without cooling.
- Dry: Dehumidifies the room.
- Auto: Automatically selects mode based on room temperature.
- Temperature Buttons (▲/▼): Adjusts the desired temperature.
- FAN Speed Button: Changes fan speed (Low, Medium, High, Auto).
- SWING Button: Controls the vertical airflow direction.
- TIMER Button: Sets the auto-on or auto-off time.
- SLEEP Button: Activates sleep mode for quiet and energy-efficient operation during sleep.
For detailed instructions on specific functions, refer to the remote control manual (if provided separately).
5. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your air conditioner. Always disconnect power before performing any maintenance.
Dust Filter Cleaning:
The AUX-18CN features a dust filter that should be cleaned regularly (every 2-4 weeks, depending on usage and air quality).
- Turn off the unit and disconnect it from the power supply.
- Open the front panel of the indoor unit.
- Carefully remove the dust filters.
- Clean the filters with a vacuum cleaner or wash them with lukewarm water and a mild detergent. Rinse thoroughly.
- Allow the filters to dry completely in a shaded area before reinstalling them.
- Close the front panel and reconnect power.
Exterior Cleaning:
- Wipe the indoor unit's exterior with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Ensure no water enters the electrical components.
Seasonal Checks:
- Before the cooling season, check for any obstructions around the outdoor unit.
- Ensure the drainage hose is clear and not blocked.
6. Troubleshooting
Before contacting service, review the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not start | No power; remote control batteries low; circuit breaker tripped. | Check power connection; replace remote batteries; reset circuit breaker. |
| Insufficient cooling | Dirty air filter; blocked outdoor unit; room too large; windows/doors open. | Clean air filter; clear obstructions; ensure proper room size; close openings. |
| Unusual noise | Loose parts; foreign object; unit not level. | Check for loose parts; remove foreign objects; ensure unit is level. If noise persists, contact service. |
| Water leakage | Blocked drain hose; improper installation. | Clear drain hose; contact professional installer if issue persists. |
If the problem persists after attempting these solutions, disconnect power and contact a qualified service technician.
7. Specifications
| Specification | Detail |
|---|---|
| Brand | AUX |
| Model Number | AUX-18CN |
| Cooling Capacity | 18400 BTU |
| Energy Efficiency Level | D |
| Color | White |
| Product Dimensions (D x W x H) | 31.5 x 102 x 22 cm |
| Item Weight | 54 kg |
| Voltage | 240 Volts |
| Power Source | Wired Electric |
| Special Feature | Dust Filter |
| Control Method | Remote |
| Control Type | Remote Control |
8. Warranty and Support
This AUX Split Air Conditioner, Model AUX-18CN, comes with a limited warranty. Please refer to the warranty card included with your purchase for specific terms, conditions, and duration of coverage.
Customer Support:
For technical assistance, warranty claims, or to schedule service, please contact your local AUX authorized service center or the retailer where the product was purchased. Keep your purchase receipt and model number (AUX-18CN) readily available when contacting support.
Note: Contact information for specific regions or countries is typically provided in separate documentation or on the manufacturer's official website.