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General safety measures and instructions for preventing injury and damage.
Safety procedures for handling flammable refrigerants during servicing.
Lists indoor and outdoor unit models with their corresponding capacities and power supply.
Details maximum pipe lengths and elevation differences for optimal performance.
Provides wiring diagrams for indoor and outdoor units, including PCB layouts.
Explains the various display codes and their meanings for unit status.
Describes built-in safety mechanisms like compressor protection and sensor redundancy.
Covers fan modes, cooling, heating, and defrosting operations.
Procedures for ensuring proper installation, including leak testing and evacuation.
Step-by-step guide for recharging the system with refrigerant.
Procedures for collecting refrigerant and re-installing units.
Provides dimensional data for different indoor unit models.
Details on removing the front panel and air filter.
Instructions for disassembling electrical components like sensors and main board.
Steps for removing the evaporator unit.
Procedure for removing the fan motor and fan assembly.
Instructions for disassembling the step motor.
Lists outdoor unit models with corresponding panel plates and PCB boards.
Provides dimensional drawings for various outdoor unit panel plates.
Instructions for disassembling panel plates (AA01/AB01, BA01, etc.).
Procedures for disassembling electrical parts for different PCB boards.
Steps for removing the fan assembly.
Instructions for disassembling the fan motor.
Procedure for removing the sound blanket.
Steps for removing the four-way valve assembly.
Instructions for disassembling the compressor.
Important safety warnings before performing troubleshooting.
Table of error codes and their corresponding information and solutions.
Form for documenting customer complaints and troubleshooting steps.
Procedures for checking unit information and error codes via the remote.
Guides for troubleshooting common issues without specific error codes.
Table mapping error codes to required parts replacement.
Detailed diagnosis and solutions for specific error codes.
Table of resistance values for temperature sensors at different temperatures.
Table of resistance values for TP temperature sensors.
Cooling charts (R410A) showing pressure values at different conditions.
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General