Welcome! This manual guides you through the safe installation, operation, and maintenance of your AUX split-type wall mounted air conditioner, models ASW-H09A4/SAR1DI and ASW-H12A4/SAR1DI.
What’s Included in This Manual
This comprehensive owner’s manual, identified by document number 11326001000883, provides essential information for your AUX air conditioner. You’ll find detailed instructions covering installation procedures for split wall mounted units, specifically the ASW-H09A4/SAR1DI and ASW-H12A4/SAR1DI models.
We’ve included crucial safety precautions to ensure proper and secure operation. Furthermore, this guide details component identification, refrigerant type information (R32 & 410a series), troubleshooting steps, and warranty details. Information regarding the DRC INSIGHT platform, relevant to testing procedures, is also briefly outlined. Protecting your air conditioner from damage is a key focus.
Safety Precautions
Important Safety Information: Always prioritize safety when installing and maintaining your AUX air conditioner. Ensure the unit is properly grounded to prevent electrical shock. Never attempt to repair the compressor yourself; qualified personnel are required.
When handling refrigerant, particularly R32, ensure the compressor is pumped down to an appropriate level to avoid residual refrigerant in the lubricating oil. Protect the air conditioner from physical damage during installation and operation. Disconnect power before any maintenance or cleaning. Proper disposal of refrigerant is crucial for environmental protection – follow local regulations.

Understanding Your AUX Air Conditioner
This section details model specifications (ASW-H09A4/SAR1DI, ASW-H12A4/SAR1DI), component identification, and explains the refrigerant types used: R32 and 410a series.
Model Numbers and Specifications (ASW-H09A4/SAR1DI, ASW-H12A4/SAR1DI)
Understanding your model number is crucial for accurate support and parts identification. This manual covers the ASW-H09A4/SAR1DI and ASW-H12A4/SAR1DI models, representing 9,000 and 12,000 BTU cooling capacities respectively. Detailed specifications, including voltage requirements, power consumption, and refrigerant charge, are found on the unit’s nameplate.
Always refer to the nameplate for precise data related to your specific unit. These specifications ensure optimal performance and adherence to safety standards. Incorrect voltage or refrigerant levels can compromise functionality and void warranty coverage. Proper installation, guided by these details, is essential.
Component Identification
Familiarize yourself with the key components of your AUX air conditioner. The indoor unit features an air inlet, air outlet, control panel, and air filters. The outdoor unit houses the compressor, condenser coil, and fan. Connecting these units are refrigerant lines and electrical wiring.
Properly identifying each part is vital for maintenance and troubleshooting. Understanding the function of the compressor – crucial for refrigerant circulation – is key. Regularly inspect the coils for debris. Always ensure electrical connections are secure. Refer to diagrams within this manual for visual guidance on component locations.
Refrigerant Type: R32 & 410a Series
Your AUX air conditioner utilizes either R32 or 410a refrigerant. These refrigerants are crucial for the cooling and heating process. Important: When servicing the compressor or refrigerant lines, ensure proper handling procedures are followed to prevent leaks and environmental damage.
Specifically, when removing the compressor, it must be pumped down to an appropriate level. This ensures no residual R32 refrigerant remains within the compressor oil. Improper handling can affect performance and void the warranty. Always consult a qualified technician for refrigerant-related services.

Installation Guide
Proper installation is key! This section details mounting the indoor and outdoor units, alongside crucial refrigerant handling and compressor oil considerations for optimal performance.
Mounting the Indoor Unit
Securely mounting the indoor unit is paramount for efficient operation and longevity. Select a location allowing for adequate airflow, avoiding direct sunlight and heat sources. Ensure the mounting surface is strong enough to support the unit’s weight, utilizing appropriate brackets and screws – not included.
Maintain sufficient space around the unit for servicing and ventilation. Carefully consider refrigerant piping routes, minimizing bends and length. Proper leveling is crucial; use a spirit level to ensure stability. Double-check all connections before proceeding, verifying the mounting bracket is firmly attached to the wall. Incorrect installation can lead to noise, reduced efficiency, and potential damage.
Connecting the Outdoor Unit
Carefully connect the outdoor unit, ensuring proper electrical connections and refrigerant piping. A qualified technician should handle this stage, adhering to local electrical codes. Verify the outdoor unit is placed on a stable, level surface, protected from direct weather exposure where possible.
Tighten all refrigerant connections to prevent leaks, and insulate the piping to minimize energy loss. The compressor requires appropriate pumping down before servicing to remove residual R32 refrigerant from the oil. Ensure correct wiring polarity and grounding for safety. Improper connections can cause malfunctions or pose a safety hazard.
Refrigerant Handling & Compressor Oil Considerations
Important safety note: Refrigerant handling requires specialized training and certification. When removing the compressor or servicing the system, ensure the compressor is properly pumped down to an appropriate level. This prevents residual R32 refrigerant from contaminating the lubricating oil, which can affect performance and damage components.
Always recover refrigerant responsibly, adhering to environmental regulations. Use appropriate tools and equipment for refrigerant recovery and recycling. Incorrect handling can lead to environmental damage and potential health risks. Consult a qualified technician for all refrigerant-related procedures.

Operating Instructions
Get started! Power on your AUX air conditioner and explore the intuitive controls for cooling, heating, fan, and dry modes for optimal comfort.
Powering On and Basic Operation
Initial Startup: Before powering on, ensure the air conditioner is properly installed and the power cord is securely connected. Press the power button on the unit or remote control to initiate operation. The unit will undergo a self-check process, indicated by illuminated lights.
Remote Control Basics: Familiarize yourself with the remote control’s layout. Key functions include power, mode selection, temperature adjustment, and fan speed control. Point the remote directly at the indoor unit’s receiver for optimal communication.
Operational Indicators: Observe the indicator lights on the indoor unit. These lights display the current operating mode and status, providing visual feedback on the air conditioner’s performance. A steady light typically indicates normal operation.
Mode Selection (Cool, Heat, Fan, Dry)
Cool Mode: Activates cooling, reducing room temperature. Adjust the set temperature for desired comfort levels.
Heat Mode: Enables heating functionality, warming the room. This mode is suitable for colder climates. Ensure outdoor unit is not obstructed by snow or ice.
Fan Mode: Circulates air without temperature adjustment, providing ventilation. Select from multiple fan speeds for customized airflow.
Dry Mode: Reduces humidity levels, creating a more comfortable environment. This mode is ideal for damp conditions and can help prevent mold growth. Use this mode sparingly to avoid excessive cooling.
Temperature and Fan Speed Adjustment
Temperature Control: Use the remote control to set your desired room temperature. The display shows the set temperature, adjustable within a specified range (typically 16°C ⎼ 30°C / 61°F ‒ 86°F). Increments are usually 1°C or 1°F.
Fan Speed Settings: Select from multiple fan speeds – Auto, Low, Medium, High, and sometimes Turbo. ‘Auto’ adjusts speed based on temperature difference. Lower speeds conserve energy and reduce noise, while higher speeds provide faster cooling or heating.
Experiment with different settings to find the optimal balance between comfort and energy efficiency.

Maintenance and Care
Regular upkeep ensures optimal performance and longevity. This section details essential procedures like air filter cleaning and coil maintenance for your AUX unit.
Air Filter Cleaning
Maintaining clean air filters is crucial for efficient operation and indoor air quality. Regularly inspect the filters – typically every two weeks during heavy use, or monthly otherwise. To clean, first power off and unplug the unit. Gently remove the filter, and use a vacuum cleaner with a brush attachment to remove dust and debris. For stubborn dirt, you can carefully wash the filter with mild detergent and water, ensuring it’s completely dry before reinstalling. A clogged filter restricts airflow, reducing cooling efficiency and potentially damaging the compressor. Replacing filters annually is also recommended for optimal performance.
Coil Cleaning
Maintaining clean condenser and evaporator coils ensures optimal cooling and heating performance. Always disconnect power before cleaning. Use a soft brush or vacuum with a brush attachment to gently remove dust and debris from the coils. For more thorough cleaning, a commercially available coil cleaner can be used, following the manufacturer’s instructions carefully. Avoid bending the fins during cleaning, as this reduces efficiency. Dirty coils restrict airflow and reduce the unit’s ability to transfer heat, leading to higher energy consumption and potential system failure. Professional cleaning is recommended annually.
Long-Term Storage Procedures
Preparing your AUX air conditioner for extended storage requires careful steps. Disconnect power and thoroughly clean both the indoor and outdoor units, including the air filters and coils. Remove batteries from the remote control. Package the remote separately to prevent damage. Cover the outdoor unit with a waterproof tarp to protect it from the elements. Ensure adequate ventilation under the cover; Store indoor unit in a dry, clean location. Before reuse, inspect for damage and debris, and verify refrigerant levels. Proper storage prevents corrosion and ensures reliable operation.

Troubleshooting
Encountering issues? This section details common problems, provides solutions, and explains error codes for your AUX air conditioner, ensuring quick resolution.
Common Issues and Solutions
Problem: Air conditioner isn’t cooling. Solution: Check the air filter for blockage and clean or replace it. Ensure the thermostat is set to ‘Cool’ mode and the desired temperature. Verify outdoor unit isn’t obstructed.
Problem: Unit is making unusual noises. Solution: Inspect for loose parts or debris. If the noise persists, contact customer support. Avoid self-repair of the compressor.
Problem: Water leaking from the indoor unit. Solution: Confirm proper drainage. Check the drain hose for clogs and clear if necessary. Ensure the unit is level.
Problem: Error code displayed. Solution: Refer to the ‘Error Codes and Their Meanings’ section for specific troubleshooting steps. Power cycle the unit if the error persists.
Error Codes and Their Meanings
Error Code E1: Sensor error – indicates a problem with the temperature sensor. Contact customer support for assistance. Error Code E2: Fan motor failure – the indoor or outdoor fan isn’t functioning correctly. Check for obstructions and power cycle.
Error Code E3: Refrigerant leak detected – a serious issue requiring professional repair. Immediately power off the unit and contact a qualified technician. Error Code E4: Compressor protection – the compressor has triggered a safety shutdown.
Error Code E5: Communication error – a problem with communication between the indoor and outdoor units. Restart the system. Error Code E6: Overload protection – the unit is experiencing an electrical overload.

Advanced Features
Enjoy enhanced comfort! Your AUX air conditioner boasts DC Inverter technology and a convenient Sleep Mode for optimized energy efficiency and peaceful rest.
DC Inverter Technology
Experience superior efficiency and comfort with DC Inverter technology. Unlike traditional air conditioners, the DC Inverter adjusts cooling output based on room conditions, maintaining a consistent temperature without energy-wasting on-off cycles. This results in significant energy savings and reduced electricity bills.
The DC Inverter compressor operates at variable speeds, providing precise temperature control and quieter operation. It minimizes temperature fluctuations, creating a more comfortable indoor environment. Furthermore, this technology extends the lifespan of the air conditioner components due to reduced stress and wear. Enjoy consistent cooling and heating performance with the advanced DC Inverter system in your AUX air conditioner.
Sleep Mode Functionality
Enhance your comfort during sleep with the convenient Sleep Mode. This feature gently adjusts the temperature throughout the night, creating an optimal sleeping environment. Initially, the air conditioner will slightly increase (cooling mode) or decrease (heating mode) the set temperature by 1-2°C.
Over subsequent hours, further subtle adjustments occur, ensuring a comfortable and energy-efficient sleep experience. Sleep Mode also prioritizes quiet operation, minimizing noise disruption. It automatically returns to the previously set parameters upon deactivation, providing seamless control. Enjoy a peaceful night’s sleep with the intelligent Sleep Mode function of your AUX air conditioner.

Safety and Environmental Considerations
Protect your investment and the planet! Ensure proper air conditioner protection from damage and responsibly dispose of refrigerant, following all applicable regulations.
Protecting the Air Conditioner from Damage
To ensure longevity and optimal performance, safeguard your AUX air conditioner from potential harm. Regularly inspect the unit for any signs of physical damage, particularly to the outdoor component, shielding it from extreme weather conditions like heavy rain, snow, and direct sunlight.
Avoid placing obstructions around either the indoor or outdoor units that could restrict airflow. During maintenance, always disconnect the power supply before cleaning or performing any repairs. Furthermore, when removing the compressor, or handling compressor oil, ensure proper pumping to eliminate residual R32 refrigerant within the lubricating oil, preventing potential hazards and maintaining system efficiency.
Proper Disposal of Refrigerant
Environmental responsibility is crucial. AUX air conditioners utilize R32 and 410a refrigerants, requiring careful handling during disposal. Refrigerants are potent greenhouse gases and must never be released into the atmosphere.
Disposal must be performed by a licensed and certified HVAC technician, adhering to all local, regional, and national regulations. Technicians possess the equipment and knowledge to safely recover and recycle the refrigerant. Improper disposal can lead to significant environmental damage and legal penalties. Do not attempt to handle refrigerant yourself; always rely on qualified professionals for this critical process.

DRC INSIGHT Platform Information (Related to Testing ‒ Note: Peripheral Relevance)
DRC INSIGHT Portal Access and Password Recovery
Accessing DRC INSIGHT: The DRC INSIGHT portal provides access to educational assessments and related resources. Users can perform various tasks within the portal, including managing assessments and viewing reports. If you encounter difficulties accessing your account, several options are available for password recovery.
Password Recovery: Forgotten passwords can be reset directly through the portal using the “Forgot User ID/Password” link. This initiates a recovery process, typically involving verification through registered email addresses. Detailed instructions and support documentation are available online to guide users through the recovery steps. Ensure your email address is current for a seamless recovery experience.
DRC INSIGHT App Functionality
DRC INSIGHT App Overview: The DRC INSIGHT app serves as a secure, online test engine delivering assessments across multiple content areas and grade levels. It incorporates computerized testing, dynamic reporting, and educator tools for a dependable and intuitive testing experience.
Key Features: The app’s interface combines tutorials with online assessment delivery. It supports a suite of educator tools, enhancing the testing process. DRC INSIGHT provides flexibility and reliability, offering a secure platform for administering tests. Its functionality extends to delivering assessments like the Tests of Adult Basic Education (TABE).

Warranty Information
Coverage & Support: This section details the warranty coverage for your AUX air conditioner and provides instructions for contacting customer support for assistance.
Coverage Details
Warranty Scope: Your AUX air conditioner is covered against manufacturing defects in materials and workmanship for a specified period from the date of original purchase. This warranty applies to normal residential use. Coverage includes defects affecting the operation of the unit, such as compressor failure or component malfunctions.
Exclusions: The warranty does not cover damage resulting from improper installation, misuse, neglect, accidents, unauthorized repairs, or acts of nature. Consumable parts, like air filters, are also excluded. Any modifications or alterations to the unit will void the warranty. Proof of purchase is required for all warranty claims.
Claim Process: To initiate a warranty claim, contact AUX customer support with your model number, serial number, and a detailed description of the issue.
Contacting Customer Support
Need Assistance? For any questions, concerns, or warranty claims regarding your AUX air conditioner, our dedicated customer support team is here to help. We strive to provide prompt and efficient service to ensure your satisfaction.
Contact Methods: You can reach us via phone at [Insert Phone Number Here] during business hours, Monday through Friday, [Insert Business Hours Here]. Alternatively, email us at [Insert Email Address Here] for non-urgent inquiries. Please include your model and serial number in all communications.
Online Resources: Visit our website at [Insert Website Address Here] for FAQs, troubleshooting guides, and downloadable resources.

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