LG LB-E4881CL User Manual

Ceiling Duct Type
Air Conditioner
SERVICE MANUAL
MODELS: LB-D1861HL/CL, LB-D1863HL/CL
LB-D2461HL/CL, LB-D2463HL/CL
LB-F3061HL, LB-F3063HL
LB-F3661HL/CL, LB-F3663HL/CL
LB-F3681HL/CL, LB-F3683HL/CL
LB-F4261HL, LB-F4263HL
LB-E4881HL/CL, LB-E4883HL/CL
LB-E6081HL/CL, LB-E6083HL/CL

LG LB-E4881CL Specifications

General

Type	Split System
Power Supply	220-240V, 50Hz
Refrigerant	R410A
Cooling Capacity	4.8 kW
Heating Capacity	5.0 kW

Summary

Functions

Indoor Unit Functions

Details on indoor unit operations like ON/OFF, temperature control, fan speed, and special modes.

Product Specifications

Cooling and Heating Performance Data

Comprehensive technical specifications for cooling and heating capacities, power, and airflow.

Refrigeration Cycle Diagram

Heat Pump Refrigeration Cycle Diagram

Cooling Only Refrigeration Cycle Diagram

Wiring Diagrams

Heat Pump Wiring Diagrams

Detailed wiring diagrams for heat pump outdoor and indoor units.

Cooling Only Wiring Diagrams

Detailed wiring diagrams for cooling-only outdoor and indoor units.

Operation Details

Heating, Defrost, and Self-Diagnosis Functions

Installation Procedures

Site Selection and Piping Guidelines

Criteria for selecting installation locations and piping length/elevation.

Mounting, Wiring, and Cable Connections

Piping Connection and Insulation

Cycle Operations

Refrigerant Piping and Vacuuming

Disconnection and Gas Charging

Troubleshooting Guides

Refrigeration Cycle Troubleshooting Guide

Guide for diagnosing issues related to the refrigeration cycle.

Electronic Parts Troubleshooting Guide

Flowcharts for diagnosing electronic part failures.

Parts List and Diagrams

Indoor Unit Exploded View and Parts List

Outdoor Unit Parts List