Introduction
This manual provides detailed instructions for the safe operation, installation, and maintenance of your Aux ASW-H12A3 Portable Air Conditioner. Please read this manual thoroughly before using the appliance and keep it for future reference.
The Aux ASW-H12A3 is a versatile 4-in-1 unit designed to provide comfort in various conditions. It functions as an air conditioner (cooling), heater, dehumidifier, and fan.
Important Safety Instructions
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury to persons.
- Read all instructions before using this appliance.
- Do not operate any appliance with a damaged cord or plug.
- Do not use the appliance near water or in wet environments.
- Ensure the power supply matches the voltage specified on the unit (110V).
- Keep the air intake and exhaust vents clear of obstructions.
- Do not insert fingers or foreign objects into the air outlets.
- Unplug the unit before cleaning or servicing.
- 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.
Product Overview and Components
Your Aux ASW-H12A3 portable air conditioner comes with the main unit and essential accessories for operation.
Main Unit

Figure 1: Front view of the Aux ASW-H12A3 portable air conditioner. This image shows the sleek, white design of the unit, highlighting its compact form factor.
Control Panel

Figure 2: Detailed view of the control panel. This image displays the digital display, mode indicators (Cool, Dry, Fan, Heat), fan speed settings (High, Mid, Low), timer, sleep mode, and power button. It also shows the temperature adjustment buttons and the water level indicator.
Remote Control

Figure 3: The wireless remote control. This image shows the buttons for On/Off, Speed, Swing, Timer, Sleep, Dry, Cool, Fan, Heat, and temperature adjustment (+/-).
Rear View and Exhaust System

Figure 4: Rear view of the unit with the exhaust hose connected. This image illustrates the exhaust port, the flexible hose, and the window kit adapter, essential for expelling hot air.
Included Components
- Portable Air Conditioner Unit
- Wireless Remote Control
- Exhaust Hose
- Window Sealing Kit (Adapter, Plate)
- User Manual (this document)
Setup and Installation
Proper setup is crucial for the efficient operation of your portable air conditioner.
1. Placement
- Place the unit on a flat, stable surface.
- Ensure there is at least 20 cm (8 inches) of space around the unit for proper airflow.
- Position the unit near a window or opening for the exhaust hose.
2. Exhaust Hose Installation
- Screw one end of the exhaust hose into the exhaust port on the back of the unit.
- Attach the window kit adapter to the other end of the exhaust hose.
3. Window Kit Installation
- Open the window and place the window sealing plate into the window opening. Adjust its length to fit snugly.
- Insert the window kit adapter (with the exhaust hose attached) into the opening of the window sealing plate.
- Close the window as much as possible to secure the plate and minimize air leakage.
4. Power Connection
Plug the power cord into a grounded 110V electrical outlet. Ensure the outlet is suitable for the appliance's power requirements.
Operating Instructions
Your Aux ASW-H12A3 can be operated using either the control panel on the unit or the wireless remote control.
Control Panel Functions (Refer to Figure 2)
- POWER Button: Press to turn the unit On or Off.
- MODE Button: Cycle through modes: COOL, DRY, FAN, HEAT.
- FAN SPEED Button: Adjust fan speed: HIGH, MID, LOW.
- TIMER Button: Set the auto-on or auto-off timer.
- SLEEP Button: Activates sleep mode for quieter operation and energy saving.
- Temperature Adjustment (+/-) Buttons: Increase or decrease the desired temperature.
- °C/°F Button: Switch between Celsius and Fahrenheit display.
- WATER LEVEL Indicator: Illuminates when the internal water tank is full and needs draining.
Remote Control Functions (Refer to Figure 3)
The remote control duplicates most functions of the control panel for convenient operation from a distance.
- ON/OFF Button: Turns the unit on or off.
- SPEED Button: Adjusts fan speed.
- SWING Button: Controls the automatic movement of the air louvers for better air distribution.
- TIMER Button: Sets the timer.
- SLEEP Button: Activates sleep mode.
- DRY Button: Selects dehumidifier mode.
- COOL Button: Selects cooling mode.
- FAN Button: Selects fan-only mode.
- HEAT Button: Selects heating mode.
- Temperature Adjustment (+/-) Buttons: Adjusts the desired temperature.
Operating Modes
- Cooling Mode: Reduces room temperature. Set desired temperature using +/- buttons.
- Heating Mode: Increases room temperature. Set desired temperature using +/- buttons.
- Dehumidifier Mode (DRY): Removes moisture from the air. Fan speed is typically fixed in this mode.
- Fan Mode: Circulates air without cooling or heating. Fan speed can be adjusted.
Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your unit.
Filter Cleaning
- Unplug the unit from the power outlet.
- Locate the air filter(s) on the back or side of the unit.
- Remove the filter(s) and clean them with a vacuum cleaner or wash them with warm, soapy water.
- Rinse thoroughly and allow to air dry completely before reinstalling.
- Clean filters every two weeks or more frequently depending on usage.
Water Drainage
When the "WATER LEVEL" indicator illuminates, the internal water tank is full and needs to be drained.
- Turn off and unplug the unit.
- Place a shallow pan or tray under the drainage port at the bottom rear of the unit.
- Remove the drain plug to allow water to flow out.
- Once drained, replace the drain plug securely.
Storage
If storing the unit for an extended period:
- Drain all water from the unit.
- Clean the air filters.
- 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 from dust.
Troubleshooting
Before contacting customer support, please refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | No power; Power cord unplugged; Fuse blown/Circuit breaker tripped. | Ensure unit is plugged in; Check power outlet; Reset circuit breaker. |
| Unit does not cool 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 vs. unit capacity. |
| "WATER LEVEL" indicator is on. | Internal water tank is full. | Drain the water from the unit as per maintenance instructions. |
| Unit is noisy. | Unit not on a flat surface; Air filter dirty; Internal components vibrating. | Place on a flat surface; Clean air filter; If noise persists, contact support. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | ASW H12A3 |
| Cooling Capacity | 12,000 BTUs |
| Voltage | 110 Volts |
| Refrigerant Gas | R410 |
| Functions | Cooling, Heating, Dehumidifier, Fan |
| Power Source | Electric with cable |
| Product Dimensions (L x W x H) | 88prof. x 40an. x 48alt. centimeters (approx. 34.6 x 15.7 x 18.9 inches) |
| Item Weight | 35 Grams (Note: This weight seems incorrect for an AC unit, please refer to product packaging for accurate weight.) |
| Included Components | Evaporator and Condenser (main unit), Remote Control |
Note: Specifications are subject to change without notice. Please refer to the product label for the most accurate information.
Warranty Information
This Aux ASW-H12A3 Portable Air Conditioner comes with a Limited Warranty. For specific terms, conditions, and duration of the warranty, please refer to the warranty card included with your product packaging or contact Aux customer support.
Keep your purchase receipt as proof of purchase for any warranty claims.
Customer Support
If you encounter any issues not covered in the troubleshooting section or require further assistance, please contact Aux customer support. Contact information can typically be found on the product packaging, warranty card, or the official Aux website.
When contacting support, please have your model number (ASW-H12A3) and purchase date available.





