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LG ARUM312BTE5 - User Manual

LG ARUM312BTE5
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INSTALLATION MANUAL
Variable Refrigerant Flow Outdoor Units
6.0 to 42.0 Tons

Table of Contents

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Summary

SAFETY PRECAUTIONS

DANGER

Indicates imminent hazards resulting in death or serious injury.

MOUNTING; ANCHORING THE OUTDOOR UNIT(S)

WARNING

Critical warnings regarding unit stability and seismic/wind resistance.

FLARING AND BRAZING PROCEDURES

Flaring Procedure

Step-by-step guide for flaring pipe ends.

INSTALLING FOR HEAT PUMP OPERATION

Indoor Unit Y-Branch Kits

Instructions for installing indoor unit Y-branch kits.

INSTALLING FOR HEAT RECOVERY OPERATION

Y-Branch Kits

Explains LG Y-branch kits and their usage in heat recovery.

Outdoor Unit Y-Branches

Guidelines for correct installation of outdoor unit Y-branches.

Header Kits

Instructions for installing header kits for heat recovery.

ELECTRICAL

Power Wiring and Communication Cable Terminations

Instructions for terminating power and communication cables.

Power Wiring and Communication Cable System Layout

System schematics for power and communication wiring.

Power Supply; Power Wiring Specifications

Specifications for power supply and wiring.

Communication Cable Specifications

Specifications for communication cables.

PRE-COMMISSIONING

Triple Leak; Pressure Check

Procedure for performing triple leak and pressure checks.

Triple Evacuation Procedure

Procedure for triple evacuation of the system.

Pre-commissioning Start; Outdoor Unit DIP Switch Settings

Steps to start pre-commissioning and configure outdoor unit DIP switches.

Checking Outdoor Unit Settings; Setting the Optional Modes

How to check outdoor unit settings and set optional modes.

Integrated Test Run (ITR) (Fd7)

Procedure for performing the Integrated Test Run.

Cool; Heat Selector (Fn1)

Function for selecting system mode (Cool/Heat/Fan).

Static Pressure Compensation Function (Fn2)

Function to adjust fan speed based on static pressure.

Night Low Sound Function (Fn3)

Function to reduce fan noise during nighttime cooling.

Snow Removal Assist; Rapid Defrost Function (Fn6)

Function for snow removal and rapid defrost.

Low Ambient Kit Function (Fn9)

Function to notify the system of a low ambient kit installation.

High Efficiency Function (Cooling Operation) (Fn10)

Function to increase compressor capability for high ambient cooling.

High Efficiency Function Cooling Operation (Auto Dust Mode) (Fn11)

Function to remove debris from the outdoor unit coil.

Smart Load Control (SLC) Function (Fn14)

Function to assist in reducing compressor lift during off-peak hours.

Humidity Reference (Fn16)

Function to consider outdoor ambient humidity for adjustments.

Central Control Connection at the Indoor Units (Fn19)

Allows field connection of LG EZ central controller to indoor unit bus.

Power Consumption Display (Fn21)

Function to monitor and report power consumption.

ERROR CODE TABLES

General Information

General information about LG VRF system error codes.

LG MONITORING VIEW (LGMV) DIAGNOSTIC SOFTWARE

INSTALLATION CHECKLIST

PRE-COMMISSIONING CHECKLIST

LG Multi V Pre-Commissioning Device Configuration Worksheet

Summary

SAFETY PRECAUTIONS

DANGER

Indicates imminent hazards resulting in death or serious injury.

MOUNTING; ANCHORING THE OUTDOOR UNIT(S)

WARNING

Critical warnings regarding unit stability and seismic/wind resistance.

FLARING AND BRAZING PROCEDURES

Flaring Procedure

Step-by-step guide for flaring pipe ends.

INSTALLING FOR HEAT PUMP OPERATION

Indoor Unit Y-Branch Kits

Instructions for installing indoor unit Y-branch kits.

INSTALLING FOR HEAT RECOVERY OPERATION

Y-Branch Kits

Explains LG Y-branch kits and their usage in heat recovery.

Outdoor Unit Y-Branches

Guidelines for correct installation of outdoor unit Y-branches.

Header Kits

Instructions for installing header kits for heat recovery.

ELECTRICAL

Power Wiring and Communication Cable Terminations

Instructions for terminating power and communication cables.

Power Wiring and Communication Cable System Layout

System schematics for power and communication wiring.

Power Supply; Power Wiring Specifications

Specifications for power supply and wiring.

Communication Cable Specifications

Specifications for communication cables.

PRE-COMMISSIONING

Triple Leak; Pressure Check

Procedure for performing triple leak and pressure checks.

Triple Evacuation Procedure

Procedure for triple evacuation of the system.

Pre-commissioning Start; Outdoor Unit DIP Switch Settings

Steps to start pre-commissioning and configure outdoor unit DIP switches.

Checking Outdoor Unit Settings; Setting the Optional Modes

How to check outdoor unit settings and set optional modes.

Integrated Test Run (ITR) (Fd7)

Procedure for performing the Integrated Test Run.

Cool; Heat Selector (Fn1)

Function for selecting system mode (Cool/Heat/Fan).

Static Pressure Compensation Function (Fn2)

Function to adjust fan speed based on static pressure.

Night Low Sound Function (Fn3)

Function to reduce fan noise during nighttime cooling.

Snow Removal Assist; Rapid Defrost Function (Fn6)

Function for snow removal and rapid defrost.

Low Ambient Kit Function (Fn9)

Function to notify the system of a low ambient kit installation.

High Efficiency Function (Cooling Operation) (Fn10)

Function to increase compressor capability for high ambient cooling.

High Efficiency Function Cooling Operation (Auto Dust Mode) (Fn11)

Function to remove debris from the outdoor unit coil.

Smart Load Control (SLC) Function (Fn14)

Function to assist in reducing compressor lift during off-peak hours.

Humidity Reference (Fn16)

Function to consider outdoor ambient humidity for adjustments.

Central Control Connection at the Indoor Units (Fn19)

Allows field connection of LG EZ central controller to indoor unit bus.

Power Consumption Display (Fn21)

Function to monitor and report power consumption.

ERROR CODE TABLES

General Information

General information about LG VRF system error codes.

LG MONITORING VIEW (LGMV) DIAGNOSTIC SOFTWARE

INSTALLATION CHECKLIST

PRE-COMMISSIONING CHECKLIST

LG Multi V Pre-Commissioning Device Configuration Worksheet

LG ARUM312BTE5 Specifications

General IconGeneral
BrandLG
ModelARUM312BTE5
CategoryAir Conditioner
LanguageEnglish

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