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General| Brand | LG |
|---|---|
| Model | Multi V Plus II System |
| Category | Air Conditioner |
| Language | English |
Safety measures for electrical work, grounding, operation, and environment.
Precautions for refrigerant, installation, transportation, and maintenance.
Sequence of tasks including pipe work, electrical, testing, and customer handover.
Ensuring level foundation, anchoring, and proper installation of the outdoor unit.
Technical details, combination ratios, product charge, weight, dimensions, and pipe sizes.
Information on R410A refrigerant properties and handling precautions.
Criteria for choosing an outdoor unit location, considering environment and defrost operation.
Minimum clearances for air inlet, servicing, and collective installations.
Installation advice for snow, wind, and cold weather, including hoods and elevation.
Guidance on lifting methods, rope usage, and handling precautions.
Steps for cutting, flaring, insulating pipes, and removing burrs.
Procedures for connecting pipes, operating valves, and common pipe connections.
Material specs, diameter selection, length calculations, and restrictions.
Examples and guidelines for Y branch and Header distribution methods.
Calculating additional refrigerant charge based on pipe length and conditions.
Procedure for leak testing using nitrogen gas and related cautions.
Vacuum drying procedures, vacuum mode, and thermal insulation.
General wiring cautions, power supply, cable specifications, and regulations.
Diagrams for communication cable connections for various unit configurations.
Configuration of DIP switches for Master, Slave, and other functions.
Steps for setting indoor unit addresses automatically.
Setting group IDs for indoor units using a wired remote control.
Checks for refrigerant leakage, cables, insulation, valves, and power application.
Troubleshooting common component failures like compressor, fan, and EEV.
Sensor checking function, error displays, and self-diagnosis overview.
Comprehensive lists of error codes and their causes for outdoor units.
Auto charging, refrigerant checking functions, and related procedures.
Functions for reducing fan noise at night and creating vacuum.
Definition of limiting concentration and procedures for calculation.
Ventilation openings and use of gas leak alarms with ventilators.
Precautions for corrosive gases, sea wind, and choosing seaside locations.
