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.
TYPE : CEILING CONCEALED DUCT
MODEL : B30AWYN7G5 / B30AWYU4G5
B36AWYN7G5 / B36AWYU4G5
B42AWYN7G5 / B42AWYU3G5
B55AWYN7G5 / B55AWYU3G5
P/NO : MFL62541008
www.lg.com
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Table of Contents
Related Manuals for LG B36AWYU4G5
Summarization of Contents
Important Safety Instructions
Installation Safety
Crucial safety precautions and requirements for installing the air conditioner.
Operation Safety
Safety guidelines and precautions to follow during the operation of the air conditioner.
Introduction
Features
Overview of the key features and components of the air conditioner.
Installation Places
Indoor Unit Location
Guidelines for selecting an appropriate location for the indoor unit.
Outdoor Unit Location
Criteria for choosing a suitable site for the outdoor unit installation.
Indoor Unit Installation
Suspension Bolt Positioning
Instructions for positioning suspension bolts for indoor unit mounting.
Console Bolt Positioning
Guidelines for positioning console bolts for indoor unit support.
Drain Piping Gradient
How to install drain piping with the correct gradient for proper water drainage.
Insulation and Drainage Check
Details on insulation requirements and checking the drainage system.
Connecting Copper Pipes
Piping Preparation and Flaring
Steps for preparing copper pipes, including cutting, burr removal, and flaring.
Indoor Unit Piping Connection
Procedure for connecting copper pipes to the indoor unit.
Outdoor Unit Piping Connection
Procedure for connecting copper pipes to the outdoor unit.
Foreign Object Prevention
Methods to prevent foreign objects from entering the outdoor unit.
Leakage Test and Evacuation
Leakage Test Preparation
Steps to prepare for performing a leakage test on the refrigerant system.
Leakage Test Procedure
Steps for performing a leakage test on the refrigerant system.
Evacuation Process
Instructions on how to evacuate the system to remove air and moisture.
Finishing Leak Test
Final steps and checks after completing the leakage test and evacuation.
Wiring Connection
Electrical Wiring Overview
General guidelines for electrical wiring and circuit breaker requirements.
Indoor Unit Wiring
Instructions for making electrical connections to the indoor unit.
Outdoor Unit Wiring
Instructions for making electrical connections to the outdoor unit.
Cable Clamping
Proper methods for clamping electrical cables to prevent strain.
Power Wiring Precautions
Precautions to consider when laying power wiring.
Outdoor Unit Cable Connection
Connecting the power cable to the outdoor unit.
DRED Connection
How to connect the Demand Response Enabling Device (DRED).
Forming the Piping
Piping Route (Outdoor Below Indoor)
Routing piping when the outdoor unit is installed below the indoor unit.
Piping Route (Outdoor Above Indoor)
Routing piping when the outdoor unit is installed above the indoor unit.
Remote Controller Installation
Controller Installation Point
Guidance on selecting the best point for remote controller installation.
Control Box Installation
Instructions for installing the remote control box.
Remote Cable Routing
How to route the remote control cable to avoid interference and damage.
Remote Controller Locations
Specific examples and advice on ideal locations for the remote controller.
External Static Pressure & Flow
Setting RPM (ESP)
Instructions on how to set the RPM or External Static Pressure (ESP).
Test Running
Test Run Precautions
Important precautions to take before and during the initial test run.
Post-Installation Checks
List of items to check after installation is complete, before test running.
Power Supply Connection
Instructions for connecting the power supply for test running.
Performance Evaluation
How to evaluate the performance of the unit after the test run.
Hand Over Procedure
Steps for handing over the unit to the customer, including operation and maintenance.
Self-Diagnosis Function
Indoor Unit Error Codes
Explanation of error codes and their meanings for the indoor unit.
Outdoor Unit Error Codes
Explanation of error codes and their meanings for the outdoor unit.
Accessory Installation Guide
Dry Contact Installation
Guide for installing the dry contact accessory for control.
PI485 Installation (30k)
Instructions for installing the PI485 accessory for 30k models.
PI485 Installation (36k/42k/55k)
Instructions for installing the PI485 accessory for 36k/42k/55k models.
WLAN Module Installation
Guide for installing the WLAN module for network connectivity.
Damper Controller Installation
Instructions for installing the damper controller accessory.
Remote Temperature Sensor Installation
Guide for installing the remote temperature sensor accessory.
Two Wired Remote Controller Setup
How to set up and connect two wired remote controllers.
Installation Guide at the Seaside
Outdoor Unit Location for Seaside
Guidelines for selecting the outdoor unit location in seaside environments.
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