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LG LBUK4880BL - User Manual

LG LBUK4880BL
64 pages
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Ceiling Duct Conditioner
SVC MANUAL(Exploded View)
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Internal Use Only
http://biz.lgservice.com
MODEL:
LBNS3061BL
LBNS3062BL
LBNS3063BL
LBNS3064BL
LBNK3661BL
ABNH366KSB0
LBNK4261BL
LBNK4262BL
LBNK4263BL
LBNK4881BL
LBNK4882BL
LBNK4883BL
LBNH608RSS1
LBNH608RSS3
LBNM7280BL
LBNM7281BL
LBNM9080BL
LBNM9081BL
LBNM1081BL
LBUS3061BL
LBUS3062BL
LBUS3064BL
LBUK3660BL
ABUH366KSB0
LBUK4260BL
LBUK4262BL
LBUK4880BL
LBUK4882BL
LBUH608RSS3
LBUM7280BL
LBUM9080BL
LBU1081BL
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LG LBUK4880BL Specifications

General IconGeneral
BrandLG
ModelLBUK4880BL
CategoryAir Conditioner
LanguageEnglish

Summary

Functions

Indoor Unit Operations

Details various operational functions of the indoor unit.

Remote Controller Operation

Controller Features and Setup

Explains remote controller operation modes, display, and functions.

Product Specifications

Cooling & Heating Data

Table detailing cooling and heating specifications for various models.

Dimensions

Indoor Unit Dimensions

Provides physical measurements and diagrams for indoor units.

Outdoor Unit Dimensions

Shows physical measurements and diagrams for outdoor units.

Refrigeration Cycle Diagram

Heat Pump Cycle Details

Illustrates the heat pump refrigeration cycle with components and flow.

Wiring Diagram

Indoor Unit Wiring Schematics

Electrical wiring diagrams for various indoor unit models.

Outdoor Unit Wiring Schematics

Electrical wiring diagrams for various outdoor unit models.

Operation Details

Main Operational Modes

Explains Time Delay, Soft-Dry, Cooling, Heating, Hot-Start, and Defrost controls.

Self-Diagnosis Function

Describes error codes and self-diagnosis procedures for troubleshooting.

Installation Guide

Unit Placement and Mounting

Guidelines for choosing locations and mounting indoor/outdoor units.

Piping and Cable Connections

Procedures for connecting refrigerant pipes and electrical cables.

Piping Preparation and Flaring

Detailed steps for preparing and connecting refrigerant pipes.

Cautions and Insulation

Drainage and Insulation Guidelines

Cautions regarding unit gradient, drain piping, and thermal insulation.

Test Running and Power

Test Run Procedures

Steps and precautions for performing a test run after installation.

Power Supply Connection

Guidance on connecting the power supply and checking capacity.

Optional Operations

Two Thermistor System

Configuration options for the two-thermistor temperature control system.

Group Control Wiring

Instructions for setting up group control for multiple units.

Refrigerant Cycle Management

Installation and Vacuum Drying

Steps for connecting piping and performing vacuum drying.

Disconnection and Gas Charging

Procedures for disconnecting piping and charging refrigerant.

Troubleshooting Guides

Cycle Troubleshooting

Analyzes common issues related to the refrigeration cycle.

Electronic Parts Troubleshooting

Guides troubleshooting of electronic components and unit operation.

Electronic Control Device

Main PCB Assembly Diagram

Diagram showing the layout of the main Printed Circuit Board (PCB).

Exploded Views and Parts Lists

Indoor Unit Parts Breakdown

Visual representation of indoor unit components and their part numbers.

Outdoor Unit Parts Breakdown

Visual representation of outdoor unit components and their part numbers.

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