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General| Brand | LG |
|---|---|
| Model | ARUN115BT2 |
| Category | Air Conditioner |
| Language | English |
Emphasizes hazards of electrical shock and requirement for qualified electricians during wiring.
Covers safe practices for lifting, moving, and positioning the unit.
Safety measures for refrigerant handling, connecting tubing, and maintenance.
Explains hazard symbols (Warning, Caution) and general safety rules.
Details requirements for licensed electricians, grounding, and dedicated circuits for electrical safety.
Warns against self-reinstallation, flammable materials, and improper installation stands.
Cautions against mixing refrigerants and altering protection devices.
Covers ventilation, secure panel installation, and safe operation practices.
Warns about water ingress and touching switches with wet hands.
Addresses risks from soaked units, sharp edges, and unsecured installation.
Advises on installation location to avoid noise, hot air, and combustible gas risks.
Discusses power cable ratings, special purpose usage, and child safety.
Addresses noise impact in sensitive areas and protection against sea wind corrosion.
Covers avoiding special environments, securing connections, and installation area stability.
Details proper drain hose installation and careful product transportation procedures.
Advises on safe disposal of packing materials and electrical safety during operation.
Covers preventing damage, using correct power switches, and safe maintenance practices.
Covers determination of work, drawings, and foundation preparation.
Details refrigerant piping, drain piping, ducting, heat insulation, and electrical wiring.
Includes airtight test, vacuum drying, refrigerant charging, and final handover procedures.
Lists HP, tonnage, charge, weight, dimensions, and pipe sizes for heat pump outdoor units.
Specifies minimum clearances around the unit for air intake and servicing.
Details clearance guidelines when walls or other obstructions are present.
Illustrates required spacing when the unit is enclosed by walls.
Shows clearance requirements when there are obstructions above the unit.
Outlines space requirements for installing multiple units together.
Advises on installation in snowy or cold areas to ensure proper operation.
Details the location and method for securing anchor bolts for unit installation.
Provides guidance on creating a stable foundation and securing the unit against environmental forces.
Details safe practices for cutting pipes, using valves, and tightening connections.
Explains how to connect common pipes for multi-unit systems.
Illustrates gas and liquid pipe connections for outdoor units and Y branches.
Specifies approved materials, wall thickness, and cautions for piping diameter selection.
Discusses pipe length limits and the importance of recharging after evacuation.
Details piping length specifications and conditional applications for Y branch connections.
Provides tables for selecting pipe diameters based on indoor unit capacity.
Illustrates piping configurations using the header method for multi-unit systems.
Specifies limits for total pipe length and height differences between units.
Shows how Y branches and headers can be combined in piping layouts.
Further details pipe diameter selection for branch connections based on capacity.
Guides on selecting main pipe diameters based on outdoor unit model names.
Explains when and how to increase pipe size for long equivalent lengths.
Specifies pipe sizes for connecting indoor units to branches.
Illustrates methods for connecting multiple outdoor units, including height and length considerations.
Details requirements for oil traps based on piping lengths between outdoor units.
Provides formulas and tables for calculating the required refrigerant charge.
Outlines safety equations and steps to follow if the room capacity is insufficient.
Introduces different methods for distributing refrigerant piping (Line, Vertical).
Explains how to fit Y branch pipes, including insulation and configuration.
Details the fitting process for header connections, including capacity and pipe cutting.
Covers fitting surplus branches, insulating headers, and sealing joints.
Provides detailed diagrams of gas and liquid pipe configurations for various models using Y branches.
Shows detailed diagrams of pipe configurations for header connections for various models.
Explains how to perform a leak test using nitrogen gas and check for pressure drops.
Details vacuum drying and how to use the vacuum mode for system evacuation.
Explains how to activate and use the vacuum mode on the main PCB for system evacuation.
Guides on properly insulating refrigerant pipes to prevent condensation and maintain efficiency.
Emphasizes using licensed electricians, special circuits, and proper grounding.
Advises on routing transmission lines away from noise sources and ensuring proper grounding.
Discusses the use of 2-core shield cables for communication and cautions against multi-core cables.
Details wiring connections within the control box and to the outdoor/indoor units.
Identifies key components on the PCB and emphasizes correct phase sequence.
Recommends spacing between power and communication lines to prevent interference.
Covers wiring requirements for main power supply, voltage drop, and cord types.
Illustrates transmission cable connections for a single outdoor unit system.
Shows transmission cable connections for a two outdoor unit system.
Illustrates transmission cable connections for a single outdoor unit system with 208/230V power.
Shows transmission cable connections for a two outdoor unit system with 208/230V power.
Provides step-by-step instructions for connecting cables to the outdoor unit's control box.
Details hole preparation, cable passage, terminal connection, and securing methods.
Identifies the location of DIP switches and other setting components on the main PCB.
Explains how to check and set DIP switches for master unit configuration.
Details specific DIP switch settings for various functions of the master outdoor unit.
Continues detailing DIP switch settings for functions like snow, defrosting, and fan compensation.
Explains DIP switch settings for slave outdoor units and corresponding unit functions.
Guides on how to perform automatic addressing for indoor and outdoor units.
Details how to set group numbers for controlling multiple indoor units.
Explains how to connect dry contact for external control functions.
Lists essential checks like refrigerant leakage, insulation resistance, and valve positions.
Emphasizes preheating the compressor and safe operation during testing.
Provides a table of common phenomena, causes, and troubleshooting steps for component failures.
Explains how to use the sensor checking function to verify sensor readings and identify abnormalities.
Details error codes and their meanings related to sensor failures in indoor and outdoor units.
Describes the function for automatically checking and adjusting refrigerant levels.
Provides cautions and guidance on interpreting refrigerant checking results.
Explains how to set and activate the night low noise mode for reduced fan operation.
Details how to activate and use the vacuum mode for system evacuation.
Explains how to set the static pressure compensation mode for optimal airflow.
Lists common errors related to indoor units and their causes.
Details outdoor unit errors related to voltage, compressor, and temperature sensors.
Lists outdoor unit errors related to sensors, connections, and power supply.
Details outdoor unit errors concerning fan, PCB, and communication issues.
Lists further outdoor unit errors for fan IPM, communication, and PCB issues.
Defines limiting concentration for refrigerant gas and calculation methods.
Outlines ventilation and gas leak alarm measures when concentration limits are exceeded.
Advises on positioning the unit to avoid direct sea wind exposure and using windbreaks.
