Table of Contents
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INSTALLATION MANUAL
AIR
CONDITIONER
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.
Single Inverter Outdoor Unit
Original instruction (R32)
[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
MFL71675701
Rev.00_101520
Copyright © 2019 - 2020 LG Electronics Inc. All Rights Reserved.
www.lg.com
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Table of Contents
Related Manuals for LG UUB1 Series
Summarization of Contents
Model Designation and Noise Emission
Product Information and Model Breakdown
Details product name, model name structure, and electrical ratings.
Airborne Noise Emission
Information on A-weighted sound pressure emitted by the product.
Tips for Energy Saving
Energy Saving Recommendations
Provides advice on minimizing power consumption during operation.
For Your Records
Section for recording purchase details for warranty purposes.
Important Safety Instructions
Safety Symbols and General Precautions
Explains safety symbols and general precautions before use.
Installation and Refrigeration Safety
Covers safety for installation, repairs, and handling refrigerants.
Electrical Safety and Installation Precautions
Details electrical safety, grounding, and installation stand requirements.
Outdoor Unit Installation and Electrical Safety
Covers outdoor unit installation hazards, capacitors, wiring, and disposal.
Storage, Operation, and Maintenance Safety
Details storage, operation safety, and maintenance procedures.
Operational Safety Precautions
Covers specific operational safety points like water, gas, and ventilation.
Installation Cautions and Leakage Checks
Provides cautions for installation, lifting, and refrigerant leak checks.
Handling Refrigerants and Operational Safety
Details refrigerant handling, PPE, and operational safety.
Filter Maintenance and Refrigerant Handling Safety
Covers filter maintenance, refrigerant leak safety, and battery precautions.
Child Safety, Servicing, and Usage Precautions
Discusses child safety, servicing, and general usage precautions.
Installation Tools
Required Tools for Installation
Lists and illustrates the tools needed for installation.
Outdoor Unit Installation
Selecting Installation Places
Guidelines for choosing the optimal location for the outdoor unit.
Safe Handling and Carrying Procedures
Precautions and methods for safely carrying the outdoor unit.
Piping Length and Elevation Specifications
Details piping length limits and elevation differences for operation.
Connector Information
Information on different connector types and their applications.
Minimum Floor Area Requirements
Specifies minimum room floor area based on refrigerant amount.
Synchro Operation and Piping Specifications
Details synchro operation limits and refrigerant charging methods.
Synchro Combination Table
Shows possible combinations of indoor and outdoor units for synchro operation.
PCB Setting for Simultaneous Operation
Procedure for setting the outdoor unit PCB for simultaneous operation.
Connecting Pipes
Preparation and Flaring of Piping
Details piping preparation, burr removal, and flaring techniques.
Outdoor Piping Connection and Protection
Covers outdoor piping connection and preventing foreign object entry.
Forming the Piping and Protection
Instructions on forming piping and protecting refrigerant tubing.
Wiring Connection
Electrical Wiring Requirements
Details electrical wiring compliance and power source requirements.
Indoor and Outdoor Unit Wiring
Instructions for connecting cables between indoor and outdoor units.
Simultaneous Operation Wiring and Cord Set
Wiring for simultaneous operation and power cord compliance.
Power Wiring Precautions
Guidelines for laying power wiring and ensuring secure terminal connections.
Connecting Cable to Outdoor Unit and Earthing
Details connecting power cables to the outdoor unit and earthing procedures.
Leakage Test and Evacuation
Preparation for Leakage Test
Steps to prepare the system for leak testing.
Performing Leakage Test
Procedure for conducting a leakage test using nitrogen gas.
System Evacuation Procedure
Details the process of evacuating the refrigerant system.
Finishing the Leak Test and Evacuation
Final steps after leak testing and evacuation.
Test Running
Precautions for Test Running
Important precautions to observe during the test run.
Installation Completion Checks
Items to check after installation is complete.
Power Supply Connection and Performance Evaluation
Connecting power and evaluating unit performance after installation.
Wiring Preparation and Voltage Checks
Prepares wiring and checks voltage, leakage breaker, and cable length.
PI485 PCB Installation
Fixing the PI485 PCB
Instructions on how to fix the PI485 PCB as shown in images.
Function Settings via DIP Switch
DIP Switch Settings Overview
Explains the DIP switch settings for various operational functions.
Synchro Mode DIP Switch Settings
DIP switch settings for Synchro Duo, Trio, and Quartet modes.
Pump Down Procedure
Step-by-step procedure for setting the Pump Down function.
Saving Power Consumption Settings
Configuration for Saving Power Consumption and its combination with Mode Lock.
Night Quiet Mode Settings
Procedure for setting the Night Quiet Mode to reduce noise.
Mode Lock Settings
Settings for locking operation modes like Cooling or Heating.
Combined Function Settings
Combinations of Mode Lock with other functions like Night Quiet Mode.
Seaside Installation Guide
Selecting Outdoor Unit Location by the Sea
Guidelines for selecting outdoor unit location to avoid sea wind and corrosion.
Winter Installation Cautions
Measures for Seasonal Wind and Snow
Recommendations for operating in snowy or cold weather conditions.
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