AUX offers comprehensive user manuals and service documentation for their multi split air conditioners, readily available for download online. These resources detail installation, operation, and maintenance.
Understanding your AUX system begins with accessing the correct manual, providing crucial instructions for optimal performance and safe usage of your new appliance.
What is a Mini Split System?
A mini split system, like those offered by AUX, is a ductless air conditioning and heating solution gaining popularity for its flexibility and efficiency. Unlike traditional central air systems, a mini split features an outdoor compressor/condenser unit and one or more indoor air handling units.
These systems connect via a refrigerant line and electrical wiring, eliminating the need for extensive ductwork. The AUX manuals emphasize proper refrigerant line connection during installation. This makes them ideal for additions, renovations, or homes without existing ductwork.
AUX provides detailed instructions in their user manuals regarding the components and functionality of these systems. They are designed for zoned heating and cooling, allowing independent temperature control in different areas of a building, ultimately enhancing comfort and energy savings.

Benefits of Choosing an AUX Mini Split
Selecting an AUX mini split system offers numerous advantages, as detailed in their comprehensive manuals. A key benefit is energy efficiency, reducing utility bills through zoned cooling and heating. Installation is often simpler than ducted systems, minimizing disruption and costs, with AUX providing clear installation guidance.
These systems offer quiet operation, enhancing indoor comfort. AUX manuals highlight the importance of proper installation to maximize this benefit. Furthermore, mini splits improve indoor air quality by filtering dust and allergens.
The flexibility to heat or cool individual rooms independently is another significant advantage. AUX’s multi-split options, covered in their service manuals, allow for even greater control. Ultimately, an AUX mini split provides a comfortable, efficient, and customizable climate control solution.

Understanding Your AUX Mini Split Manual
AUX provides detailed manuals – user and service – accessible online, crucial for safe installation, operation, and troubleshooting of your split air conditioning system.
Locating and Downloading the Manual
AUX prioritizes user support by making comprehensive manuals easily accessible through their official website. Begin by visiting the AUX website and navigating to the support or downloads section.
You can typically locate the correct manual by searching for your specific model number, often found on the indoor or outdoor unit of your mini split system. Alternatively, browse through the available manuals categorized by product type – such as multi split air conditioners or light commercial units.
Manuals are generally offered in PDF format, allowing for convenient viewing and downloading on various devices. Ensure you download the correct manual corresponding to your AUX model to guarantee accurate installation, operation, and maintenance instructions. Keeping a digital copy readily available is highly recommended.
Manual Contents Overview
The AUX mini split system manual is structured to provide a complete understanding of your unit. Expect detailed sections covering safety precautions, installation guidelines, and operational instructions. A significant portion details the compressor’s function – inhaling and processing refrigerant.
You’ll find explanations of each component, including the indoor and outdoor units, and guidance on proper refrigerant handling. The manual outlines operating modes like cool, heat, and auto, alongside explanations of remote control functions and fan speed settings.
Troubleshooting sections address common issues and provide a list of error codes with their corresponding meanings. Furthermore, the manual includes technical specifications like capacity, cooling/heating range, and power requirements, ensuring informed usage and maintenance.

Installation Guide
AUX manuals emphasize adherence to national wiring rules during installation, requiring a refrigerant leak test post-installation for optimal system performance and safety.
Pre-Installation Considerations
Before beginning the installation process, carefully review the AUX mini split system’s manual to understand specific requirements. Determine the appropriate minimum floor area for the unit’s capacity, as outlined in the documentation, ensuring adequate cooling or heating performance for the designated space.
Verify that the electrical connections comply with national wiring regulations and the manual’s guidelines. Consider the location of both the indoor and outdoor units, ensuring sufficient space for maintenance and airflow. The manual stresses the importance of proper refrigerant handling and leak testing after installation, requiring qualified personnel for these tasks; Prior planning, guided by the manual, will contribute to a successful and efficient installation.
Indoor Unit Installation
The AUX mini split manual details a careful process for indoor unit installation. Begin by selecting a suitable location, ensuring sufficient space around the unit for airflow and maintenance. Securely mount the indoor unit to the wall, following the manual’s bracket installation guidelines.
Connect the refrigerant lines and the drain hose, paying close attention to the manual’s diagrams and warnings regarding proper sealing to prevent leaks. Electrical connections to the indoor unit must adhere to the manual’s wiring instructions and local electrical codes. Double-check all connections before proceeding, referencing the manual for verification. A properly installed indoor unit is crucial for optimal system performance.
Outdoor Unit Installation
The AUX mini split manual emphasizes careful outdoor unit placement. Choose a location that provides adequate ventilation, away from direct sunlight and protected from extreme weather. Ensure a stable, level surface capable of supporting the unit’s weight. Securely mount the outdoor unit, following the manual’s specific bracket installation instructions.
Maintain sufficient clearance around the unit for service access and airflow. The manual stresses the importance of avoiding obstructions that could impede the fan’s operation. Proper installation prevents noise and ensures efficient heat dissipation. Always consult the manual for specific requirements related to your model, and adhere to local regulations regarding outdoor unit placement.
Refrigerant Line Connection
The AUX mini split manual details a critical step: refrigerant line connection. It mandates a leak test after installation, emphasizing adherence to national wiring rules. Carefully connect the refrigerant lines, ensuring proper tightening to prevent leaks. The manual illustrates correct flaring and bending techniques for copper tubing.
Properly insulate all refrigerant lines to minimize heat exchange and maximize efficiency. The manual warns against damaging the lines during installation. Nitrogen purging is recommended to remove air and moisture before final brazing. Incorrect connections can lead to system failure, so meticulous attention to the manual’s diagrams and instructions is paramount.
Electrical Connections
The AUX mini split manual stresses strict adherence to national wiring regulations during electrical connections. Before commencing, install a dedicated circuit breaker of the appropriate amperage, as specified in the unit’s technical specifications. Ensure the power supply voltage matches the unit’s requirements.
Proper grounding is crucial for safety; follow the manual’s grounding instructions precisely. Use appropriately sized wiring and secure all connections tightly. The manual provides detailed wiring diagrams for both the indoor and outdoor units. Installation should only be performed by a qualified electrician. Disconnect power before making any electrical connections, and always verify with a multimeter before restoring power.

Operation and Control
The AUX manual details remote control functions, including modes like cool, heat, and auto, alongside fan speed settings and precise temperature adjustments for comfort.
Remote Control Functions
The AUX mini split remote control, as detailed in the user manual, is the primary interface for operating your system. It features dedicated buttons for power, mode selection (Cool, Heat, Auto, Dry, Fan), and temperature adjustment.
Beyond basic controls, the remote often includes a timer function for scheduled operation, a sleep mode for energy efficiency during nighttime use, and swing controls to adjust the airflow direction. The manual illustrates each button’s function, clarifying features like turbo mode for rapid cooling or heating, and economy mode for reduced energy consumption.
Understanding the remote’s display is also crucial; it shows the set temperature, operating mode, and any active features. Proper battery installation and maintenance, as outlined in the manual, ensure reliable remote operation.
Operating Modes (Cool, Heat, Auto)
Your AUX mini split, guided by the user manual, offers versatile operating modes. “Cool” mode lowers the room temperature, removing heat – ideal for warmer months. “Heat” mode provides warmth by extracting heat from the outside air, even in colder temperatures. The manual details the effective temperature ranges for each mode.
“Auto” mode intelligently switches between cooling and heating to maintain your desired set temperature, optimizing comfort and energy efficiency. The manual explains that the system determines the appropriate mode based on the difference between the set temperature and the room temperature.
Selecting the correct mode via the remote control is straightforward, and the manual emphasizes the importance of understanding each mode’s function for optimal performance and energy savings.
Fan Speed Settings
The AUX mini split system, as detailed in its user manual, provides multiple fan speed settings for customized airflow and comfort; Typically, these include Auto, Low, Medium, and High. “Auto” mode automatically adjusts the fan speed based on the temperature difference between the setpoint and the room temperature.
Lower fan speeds (Low, Medium) offer quieter operation and gentler airflow, suitable for quiet environments or maintaining a consistent temperature. Higher fan speeds (High) provide rapid cooling or heating, quickly circulating air throughout the room. The manual illustrates how to adjust these settings via the remote control.
Proper fan speed selection, guided by the manual, optimizes both comfort and energy efficiency, ensuring the system operates effectively for your specific needs.
Temperature Adjustment
Your AUX mini split’s user manual explains precise temperature control via the remote control. Typically, temperature can be adjusted in 1°F or 1°C increments, allowing for fine-tuning to your preferred comfort level. The manual details the “Cool” and “Heat” modes, each with a specific adjustable range;
The remote features dedicated “Temp Up” and “Temp Down” buttons for easy adjustment. Some models offer a “Turbo” mode for rapid temperature changes, as outlined in the manual. Setting a desired temperature initiates the system’s operation to reach and maintain that level.
Refer to the manual for specific temperature limits and optimal settings for energy efficiency. Understanding these controls ensures personalized comfort and efficient operation of your AUX system.

Maintenance and Troubleshooting
The AUX manual provides detailed instructions for filter cleaning, coil maintenance, and resolving common issues, including interpreting error codes for efficient troubleshooting.
Filter Cleaning
AUX mini split systems require regular filter cleaning to maintain optimal performance and air quality, as detailed in your unit’s manual. Typically, filters are located behind the front panel of the indoor unit and are easily accessible. The manual will illustrate the specific removal process for your model.
It’s recommended to clean the filters every two weeks during frequent use, or at least once a month. Gently vacuum the filters to remove dust and debris, or wash them with mild detergent and water. Ensure the filters are completely dry before reinstalling them to prevent mold growth and maintain efficient operation. A clogged filter restricts airflow, reducing cooling/heating capacity and potentially damaging the unit.
Refer to your AUX manual for detailed diagrams and specific cleaning guidelines tailored to your mini split model. Consistent filter maintenance extends the lifespan of your system and ensures a healthy indoor environment.
Coil Cleaning
Your AUX mini split’s evaporator and condenser coils require periodic cleaning, though less frequently than filter maintenance, as outlined in the manual. Dirty coils reduce efficiency and can lead to system malfunctions. The manual provides specific instructions and safety precautions for this process.
Before cleaning, always disconnect the power to the unit; Use a commercially available coil cleaner specifically designed for air conditioning systems, following the product’s instructions carefully. Gently spray the cleaner onto the coils, allowing it to sit for the recommended time before rinsing with water. Avoid bending the delicate fins.
Professional cleaning is recommended for the condenser coil (outdoor unit) as it involves more complex disassembly. Regular coil cleaning, as detailed in your AUX manual, ensures optimal performance and prolongs the life of your mini split system.
Troubleshooting Common Issues
The AUX mini split manual provides a dedicated section for troubleshooting common problems. Issues like insufficient cooling or heating, unusual noises, or error code displays are addressed. Before contacting service, consult the manual for potential self-diagnosis and solutions.
Common fixes include checking the air filter, ensuring proper airflow around both indoor and outdoor units, and verifying remote control settings. The manual details how to interpret error codes, which pinpoint specific malfunctions within the system.
If the unit fails to power on, check the electrical connections and circuit breaker. For refrigerant-related issues, or any problem beyond basic troubleshooting, always consult a qualified HVAC technician, referencing the manual’s safety guidelines and technical specifications.
Error Codes and Their Meanings
AUX mini split systems utilize error codes to signal malfunctions, detailed comprehensively within the unit’s manual. These codes provide technicians – and informed users – with specific diagnostic information, streamlining the repair process. The manual dedicates a section to decoding these signals.

For example, a specific code might indicate a sensor failure, refrigerant leak, or communication error between the indoor and outdoor units. Each code is accompanied by a description of the fault and suggested corrective actions.
Understanding these codes empowers users to communicate issues accurately to service professionals. Always refer to your specific model’s manual, as error code definitions can vary. Attempting repairs based solely on generalized information is discouraged; professional assistance is recommended.

Safety Precautions
AUX manuals emphasize electrical safety, proper refrigerant handling, and general guidelines during installation and maintenance, ensuring user well-being and system longevity.
Electrical Safety
AUX manuals consistently prioritize electrical safety throughout installation and operation. Always adhere to national wiring rules and regulations when connecting the unit, ensuring proper grounding to prevent electrical shock hazards. Installation should only be performed by qualified personnel with appropriate electrical expertise.
Before any maintenance or servicing, disconnect the power supply at the breaker box to avoid accidental contact with live electrical components. Never attempt to repair electrical components yourself; contact a qualified technician for assistance. Inspect power cords and wiring for damage before each use, and replace any damaged parts immediately.
The manual stresses the importance of using the correct power supply voltage and amperage as specified on the unit’s nameplate. Improper voltage can lead to equipment malfunction and potential fire hazards. Always follow the manual’s wiring diagrams precisely.
Refrigerant Handling
AUX manuals emphasize strict adherence to refrigerant handling procedures, as outlined by environmental regulations and safety standards. Refrigerant leaks must be addressed immediately by a certified technician, as these substances can be harmful to the environment and human health.
The manual details the specific refrigerant type used in your AUX mini split system (often R32), and cautions against mixing different refrigerant types. Any service involving the refrigerant circuit, including charging, recovery, or evacuation, requires specialized equipment and training.
Proper leak testing is mandatory after installation and any subsequent repairs to the refrigerant lines. Never vent refrigerant into the atmosphere; it must be recovered and disposed of responsibly according to local regulations. Always consult the manual for specific refrigerant handling guidelines.
General Safety Guidelines
AUX manuals prioritize user safety, outlining several crucial guidelines. Always disconnect the power supply before performing any maintenance or cleaning procedures to avoid electrical shock. The manual stresses the importance of grounding the unit correctly, adhering to national wiring rules.

Do not operate the unit if refrigerant leakage is suspected; immediately contact a qualified technician. Avoid obstructing the airflow around both the indoor and outdoor units, ensuring adequate ventilation. The manual warns against modifying the unit in any way, as this could compromise safety and performance.
Keep flammable materials away from the indoor and outdoor units. Regularly inspect the power cord for damage and replace it if necessary. Always refer to the manual for detailed safety precautions before operating or servicing your AUX mini split system.

Technical Specifications
AUX manuals detail capacity, cooling/heating ranges, power requirements, and refrigerant type (R32 is common). Minimum floor area for installation is also specified.
Capacity and Cooling/Heating Range
AUX mini split systems boast a diverse range of cooling and heating capacities, meticulously detailed within their respective user manuals. These specifications are crucial for selecting the appropriate unit for your space. The manuals typically list capacity in British Thermal Units (BTUs), indicating the amount of heat the unit can remove per hour during cooling, or add during heating.
Cooling ranges commonly span from 9,000 BTU to 36,000 BTU or higher, catering to rooms of varying sizes. Heating ranges generally mirror these values. Manuals also provide guidance on the minimum floor area suitable for each capacity, ensuring efficient operation. For example, a 9,000 BTU unit might effectively cool a room around 250 square feet, while a larger 18,000 BTU unit could handle spaces up to 500 square feet. Always consult the specific manual for your model to determine the optimal capacity for your needs.
Power Requirements
AUX mini split system power requirements are clearly outlined in each unit’s specific manual, and adherence to these specifications is paramount for safe and efficient operation. The manual details the voltage, frequency, and amperage needed for both the indoor and outdoor units. Typically, these systems operate on standard household voltage (e.g., 110-120V or 220-240V) at 50/60Hz.
The manual will also specify the required circuit breaker size to prevent overloads. Improper electrical connections can lead to system malfunction or even pose a safety hazard; It’s crucial to verify your electrical system meets the manual’s requirements before installation. Some larger units may necessitate dedicated circuits. Always consult a qualified electrician to ensure correct and safe electrical connections, referencing the manual throughout the process.
Refrigerant Type
AUX mini split systems utilize refrigerants to transfer heat, and the specific type is detailed within your unit’s manual. Increasingly, AUX is transitioning to more environmentally friendly options like R32, a refrigerant with a lower global warming potential compared to older types. However, older models may still utilize R410A.
The manual explicitly states the refrigerant used in your specific model, which is vital information for any maintenance or repair work. Handling refrigerant requires specialized training and equipment; attempting to service the system yourself could be dangerous and void the warranty. The manual also provides crucial safety guidelines regarding refrigerant handling, emphasizing the importance of professional service for any leaks or recharging procedures. Always refer to the manual for accurate refrigerant information.