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Details safety precautions for workers and users during repair and operation.
Explains the meaning and usage of various icons found in the manual.
Lists and categorizes all available functions of the air conditioner units.
Presents detailed technical specifications for indoor and outdoor units.
Provides wiring diagrams for the indoor unit's control and display PCBs.
Details wiring diagrams for the outdoor unit's main and filter PCBs.
Describes core operational functions like temperature control and frequency principles.
Explains the role of various thermistors in system operation and error detection.
Outlines system control logic, including mode hierarchy and frequency control.
Details the functions and operation of the remote controller.
Guides troubleshooting based on LED indicators on indoor and outdoor units.
Lists common issues and their corresponding checks and solutions.
Explains how to use service check functions for diagnosis via the remote controller.
Provides detailed troubleshooting steps for various error codes and malfunctions.
Offers practical advice for servicing, including pump down and forced cooling.
Details the procedure for performing trial operation after installation or repair.
Explains how to configure settings for specific installations, like multi-room setups.
Describes the proper application of silicon grease for heat dissipation on PCBs.
Illustrates the refrigerant piping configurations for indoor and outdoor units.
Presents the electrical wiring diagrams for indoor and outdoor units.
Lists specific booklets for unit removal and disassembly procedures.
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