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Details various functions of indoor units, including basic, comfort, operation, and lifestyle features.
Provides detailed specifications for various indoor unit types, including airflow, power, dimensions, and sound levels.
Lists specifications for outdoor units, including compressor type, refrigerant charge, airflow rates, and dimensions.
Illustrates PCB connector layouts for various indoor unit models, detailing component connections.
Details PCB layouts for wired and wireless remote controllers, showing connector and component assignments.
Provides wiring diagrams for outdoor unit PCBs, detailing connector assignments for various components.
Explains core functions of RA indoor units, including temperature control, frequency principles, and special operations.
Details functions specific to SA indoor units, focusing on drain pump control and operational safeguards.
Describes the function of various thermistors used for temperature sensing and control in the system.
Outlines control specifications, including mode hierarchy, frequency control logic, and protection functions.
Details the operation and features of remote controllers for RA indoor units, including button functions.
Explains the operation and features of remote controllers for SA indoor units, including display icons and buttons.
Guides troubleshooting by analyzing LED indicators and error code displays for system diagnostics.
Provides a table of common problem symptoms, check items, and recommended measures for diagnosis.
Details methods for accessing service check modes on remote controllers (ARC466, ARC452, ARC433 series).
Offers troubleshooting guidance for indoor and outdoor unit issues, including PCB, fan motor, and sensor abnormalities.
Outlines checks for components like thermistors, fan motors, EV coils, and power modules for diagnostic purposes.
Explains procedures for pump down operation and forced cooling, crucial for maintenance and setup.
Explains how to configure field settings for RA and SA indoor units, including model type and address settings.
Provides instructions on applying silicon grease to heat radiation parts when replacing PCBs for proper heat dissipation.
Illustrates refrigerant piping configurations for various indoor and outdoor unit models.
Presents electrical wiring diagrams for indoor and outdoor units, showing component connections and PCB layouts.
References booklets detailing the correct procedures for removing various unit components.
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General