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Key safety warnings and cautions for installation and operation.
Specific safety instructions for the installation process, including electrical work.
A step-by-step guide for the installation process.
Criteria and considerations for choosing an optimal installation site.
Details on selecting suitable locations and anchor bolt placement for outdoor units.
Guidelines for proper foundation and support installation for the outdoor unit.
Method for calculating additional refrigerant charge based on piping and indoor unit capacity.
Safety regulations for refrigerant leakage and limiting concentration in rooms.
Steps for performing a leak test using nitrogen gas to ensure system integrity.
Instructions for performing vacuum drying using a vacuum pump to remove moisture and air.
General cautions and adherence to regulations for electrical wiring.
Identification of components and switches on the HR Unit PCB.
Procedures for setting up the HR unit using DIP switches and selection methods.
Steps for performing automatic addressing of indoor units to the HR unit.
Instructions for manual pipe detection setup using dip switches and tact switches.
Flowchart for performing manual pipe detection when auto detection fails.
Guidelines for troubleshooting auto addressing and pipe detection errors.
How error codes are displayed and interpreted for troubleshooting.
List and causes of errors related to indoor units and their sensors.
List and causes of errors related to the master outdoor unit's components and sensors.
List and causes of errors specific to the HR unit and its sensors.
Safety precautions and procedures for handling refrigerant leaks.
Key safety warnings and cautions for installation and operation.
Specific safety instructions for the installation process, including electrical work.
A step-by-step guide for the installation process.
Criteria and considerations for choosing an optimal installation site.
Details on selecting suitable locations and anchor bolt placement for outdoor units.
Guidelines for proper foundation and support installation for the outdoor unit.
Method for calculating additional refrigerant charge based on piping and indoor unit capacity.
Safety regulations for refrigerant leakage and limiting concentration in rooms.
Steps for performing a leak test using nitrogen gas to ensure system integrity.
Instructions for performing vacuum drying using a vacuum pump to remove moisture and air.
General cautions and adherence to regulations for electrical wiring.
Identification of components and switches on the HR Unit PCB.
Procedures for setting up the HR unit using DIP switches and selection methods.
Steps for performing automatic addressing of indoor units to the HR unit.
Instructions for manual pipe detection setup using dip switches and tact switches.
Flowchart for performing manual pipe detection when auto detection fails.
Guidelines for troubleshooting auto addressing and pipe detection errors.
How error codes are displayed and interpreted for troubleshooting.
List and causes of errors related to indoor units and their sensors.
List and causes of errors related to the master outdoor unit's components and sensors.
List and causes of errors specific to the HR unit and its sensors.
Safety precautions and procedures for handling refrigerant leaks.
General| Brand | LG |
|---|---|
| Model | ARUB120LTE4 |
| Category | Air Conditioner |
| Language | English |
