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General| Refrigerant | R410A |
|---|---|
| Power Supply | 220-240V, 50Hz |
| Cooling Capacity | 12000 BTU/h |
| Noise Level (Outdoor) | 50 dB |
| Operating Temperature (Heating) | 24°C |
Defines symbols used in the manual for hazard warnings and actions.
Covers safety precautions related to the installation process and general warnings.
High voltage electricity warnings and proper grounding requirements.
Requirements for qualified electricians and power source capacity.
Warnings about operating the unit if flooded, using dedicated power, or with wet hands.
Precautions regarding water, dirt, ventilation, refrigerant piping, and moving parts.
Explains the model number coding system for indoor and outdoor units.
Lists required tools and included parts for installation.
Details specifications for the Single Zone Mega system models.
Details specifications for the Single Zone Mega 115V system models.
Provides electrical data for Mega and Mega 115V systems, including voltage and ampacity.
Guidelines for selecting the best location for the outdoor unit.
Instructions for securing units against wind/earthquakes and lightning protection measures.
Guidance on shielding outdoor units from sea wind using windbreaks or buildings.
Specifies minimum clearances for service access and airflow around the outdoor unit.
Safety precautions and instructions for rigging and lifting the outdoor unit.
Guidelines for securely mounting the outdoor unit to a foundation or structure.
Details on how to construct concrete foundations for outdoor units.
Steps and considerations for securely attaching the outdoor unit to the mounting platform.
Recommendations for choosing optimal indoor unit placement and required clearances.
Lists locations and conditions to avoid when installing the indoor unit.
Instructions on how to drill the hole in the wall for piping.
Steps for attaching the indoor unit's mounting plate to the wall.
Detailed steps to remove the indoor unit's bottom cover for access.
Instructions for attaching the indoor unit to the wall plate after other connections are made.
Steps to prepare the indoor unit for connecting piping and electrical wiring.
Discusses ASHRAE standards for refrigerant safety and concentration limits in occupied spaces.
Outlines limits for refrigerant piping length, elevation, and connections for system reliability.
Guidelines for selecting and installing copper piping, including material and thickness requirements.
Explains the need to account for thermal expansion of refrigerant piping and provides calculation methods.
Instructions for handling refrigerant piping, emphasizing cleanliness, dryness, and airtightness.
Emphasizes using only specified pipe sizes to avoid system malfunction.
Prohibits after-market accessories like oil traps and sight glasses in the refrigerant piping.
Guidance on routing refrigerant piping around obstacles like beams or concrete.
Requirements for supporting refrigerant piping to prevent sagging and oil traps.
Recommends using wall sleeves for pipe penetrations to prevent insulation compression.
Guidelines for installing refrigerant piping underground, requiring vapor-tight sleeves and below frost line placement.
Instructions for performing flared and brazed connections to prevent refrigerant leaks.
Details torque specifications and procedures for tightening flare nuts.
Safety precautions and best practices for brazing refrigerant piping.
Illustrates basic pipe connections between outdoor and indoor units.
Provides guidance for specific installation scenarios, like drain hose routing.
Instructions for connecting refrigerant piping to the outdoor unit, including torque specifications.
Steps for accessing and positioning piping connections for the indoor unit.
Details on piping installation when routed to the left side of the indoor unit.
Details on piping installation when routed to the right side of the indoor unit.
Instructions for installing drain plugs and piping for the outdoor unit condensate.
Guidance on selecting the correct side for the indoor unit's drain hose connection.
Instructions for routing and installing the indoor unit's condensate drain hose.
Procedure to check for leaks in the indoor unit's drain hose.
Instructions on how to bundle refrigerant pipes, drain hose, and cables together.
Guidelines for insulating refrigerant piping for safety, efficiency, and condensation prevention.
Specifies minimum EPDM insulation wall thicknesses based on location and pipe type.
Safety warnings regarding voltage, wiring, and grounding; power requirements for different models.
Instructions for making power and communication cable connections to terminals.
Details power supply requirements and specifications for Mega and Mega 115V systems.
Specifies cable requirements for communication and power between indoor and outdoor units.
Lists features and operation of the wireless handheld remote controller.
Describes how to connect optional wired controllers to the indoor unit.
Step-by-step instructions for connecting electrical wiring to the indoor unit.
Procedures for installing communication/power cables when piping is on the left side of the indoor unit.
Procedures for installing communication/power cables when piping is on the right side of the indoor unit.
Instructions for connecting electrical wiring to the outdoor unit.
Procedure for performing a triple leak and pressure test on the refrigerant piping system.
Steps for performing a deep vacuum evacuation of the refrigerant piping system.
Best practice recommendation for a triple evacuation procedure of the refrigerant piping.
Instructions for adding additional refrigerant charge and completing the installation.
Steps for reattaching the indoor unit's bottom cover after installation is complete.
Procedures for removing and reinstalling the air filter on the indoor unit.
Steps for installing batteries, running a test, and evaluating system performance.
Instructions for entering Installer Mode and enabling/disabling Cooling Only mode.
Procedure for collecting refrigerant in the outdoor unit when servicing the system.
Introduces the LG SIMs app for monitoring and troubleshooting system data and errors.
Guide to using error codes displayed on units and SIMs app for diagnosis.
Lists error codes specific to Mega HEV2 and HXV2 outdoor units and their LED blink patterns.
Discusses refrigerant safety, concentration limits, and calculations per ASHRAE standards.
Checklist for ensuring major components are properly installed and connected.
Checklist items related to refrigerant piping, insulation, and materials.
Checklist for proper brazing practices, including gas purging and materials.
Checklist for correct refrigerant pipe installation, including length, bends, and insulation.
Checklist items for condensate drain installation and insulation.
Checklist for power wiring and communication cable connections, including codes and types.
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