LG ARUN40LS2A - User Manual

P/NO : MFL67891402
www.lg.com
Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring standards by
authorized personnel only.
Please retain this installation manual for future reference after reading it thoroughly.
[Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared Service Center B.V.
Krijgsman 1, 1186 DM Amstelveen, The Netherlands
[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu, Changwon-si,
Gyeongsangnam-do, KOREA
Original instruction
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Summary

IMPORTANT SAFETY INSTRUCTIONS

General Safety Precautions

Operation Safety

INSTALLATION PROCESS

Foundation and Grounding

Steps for preparing the foundation and ensuring proper grounding.

Piping Preparation and Installation

Procedures for cutting, removing burrs, flaring, and insulating pipes.

SELECT THE BEST LOCATION

REFRIGERANT PIPING

Connecting Pipes to Outdoor Unit

ELECTRICAL WIRING

Wiring Specifications and Precautions

Essential wiring specifications, grounding, and safety precautions.

Communication and Power Cables

Self-Diagnosis Function

Indoor Unit Error Display

Outdoor Unit Error Display

Refrigerant Handling Functions

Refrigerant Auto Charging

Step-by-step guide for automatically charging refrigerant.

Refrigerant Checking

Steps to check refrigerant leakage and amount.

CAUTION FOR REFRIGERANT LEAK

Limiting Concentration

Checking Procedure of Limiting Concentration

INSTALLATION GUIDE AT THE SEASIDE

LG ARUN40LS2A Specifications

General

Power Supply (V/Hz/Ph)	208-230/60/1
Refrigerant	R410A
Heating Seasonal Performance Factor (HSPF)	9.0
Heating Capacity (BTU/h)	40, 000
Indoor Unit Noise Level	49 dB(A)