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LG LMCN125HV User Manual

LG LMCN125HV
137 pages
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ENGLISH
P/No: MFL39817310
FLEX MULTI SPLIT INSTALLATION
INSTRUCTIONS
FRANÇAIS ESPAÑOL

Table of Contents

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LG LMCN125HV Specifications

General IconGeneral
Cooling Capacity12, 000 BTU/h
Energy Efficiency Ratio (EER)11.0
RefrigerantR410A
Power Supply208-230V/60Hz/1Ph
Operating Temperature (Cooling)18°C to 43°C
Operating Temperature (Heating)5-75°F
Dimensions (Indoor Unit)790 x 250 x 190 mm
Dimensions (Outdoor Unit)700 x 500 x 240 mm
Weight (Indoor Unit)19.8 lbs

Summary

Product Information and Safety

Installation Parts Provided

Lists all components included with the air conditioning system for installation.

Product Introduction

Provides an overview of the indoor and outdoor units, including their types and components.

Comprehensive Safety Precautions

Details critical safety warnings, cautions, and guidelines for installation and operation.

Unit Installation and Mounting

Selecting Optimal Location

Guidance on choosing the best placement for indoor and outdoor units, considering obstacles and environment.

Mounting the Installation Plate

Instructions for securely fixing the wall plate for standard and Artcool mirror type indoor units.

Ceiling Mounted Unit Installation

Steps for installing concealed duct type units, including ceiling dimensions and bolt locations.

Decorative Panel Installation

Procedures for attaching the decorative panel to the indoor unit for aesthetic finishing.

Piping and Electrical Connections

Piping Length and Elevation Guidelines

Specifies maximum allowed piping lengths and elevation differences for optimal performance.

Refrigerant Piping Connection

Detailed steps for connecting the refrigerant pipes between indoor and outdoor units.

Flaring Work Procedure

Essential steps for correctly flaring copper tubes to prevent gas leakage.

Wiring Indoor and Outdoor Units

Instructions for connecting the power and control cables between the indoor and outdoor units.

System Testing and Final Setup

Drain Piping Installation

Guidelines for installing the drain hose to ensure proper water drainage and prevent leakage.

Heat Insulation Requirements

Instructions for applying heat insulation to piping to prevent condensation and sweating.

Leak Checking and Evacuation

Procedures for testing the system for refrigerant leaks and removing air/moisture.

Refrigerant Charging

Steps for charging the correct amount of refrigerant based on unit capacity and piping length.

Advanced Features and Configuration

Wired Remote Controller Setup

Instructions for installing and connecting the wired remote controller.

Remote Controller Settings

Explanation of switches for group control, ceiling height, and product selection.

Trial Operation Procedure

Steps to perform a trial operation to check installation status and system functionality.

Long Pipe Setting and Unit Combinations

Configuration for extended piping lengths and compatible indoor/outdoor unit combinations.

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