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LG ARUM072DTE5 - User Manual

LG ARUM072DTE5
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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

Safety Precautions

General safety guidelines and warnings for installation and operation of the system.

ELECTRICAL DATA

208-230 V Outdoor Unit Electrical Data

Detailed electrical data, including motor amps, MCA, and MOCP for 208-230V units.

460 V Outdoor Unit Electrical Data

Detailed electrical data, including motor amps, MCA, and MOCP for 460V units.

SPECIFICATIONS; ELECTRICAL DATA

PLACEMENT CONSIDERATIONS

Selecting the Best Location for the Outdoor Unit(s)

Criteria for choosing the optimal location for outdoor units, considering airflow and access.

Outdoor Unit Clearance Requirements

Specifies required clearances around outdoor units for proper airflow and service access.

MOUNTING; ANCHORING THE OUTDOOR UNIT(S)

Mounting; Anchoring the Outdoor Unit(s)

Instructions for securely mounting and anchoring outdoor units to a base or support.

General Refrigerant Piping System Information

Refrigerant Safety Standards; Device Connection Limitations

Safety standards and limitations for refrigerant piping, including maximum allowable concentrations.

COPPER EXPANSION AND CONTRACTION

REFRIGERANT SYSTEM ENGINEERING

FLARING AND BRAZING PROCEDURES

Flaring Procedure

Step-by-step instructions for performing correct flare connections with R410A refrigerant.

INSTALLING FOR HEAT PUMP OPERATION

INSTALLING FOR HEAT RECOVERY OPERATION

REFRIGERANT PIPING FOR SEPARATED OUTDOOR UNITS

ELECTRICAL

Power Wiring; Communication Cable Connections

Proper methods for terminating power and communication cables using solderless terminals.

Power Wiring and Communication Cable System Layout

Schematics illustrating power and communication wiring layouts for different system types.

Power Supply; Power Wiring Specifications

Requirements for power supply voltage, phase, and wiring gauge.

Single Frame Outdoor Unit Wiring Configuration (from Outside Source to Outdoor Units

Wiring diagram for single-frame outdoor unit power supply.

Dual Frame Outdoor Unit Wiring Configuration (from Outside Source to Outdoor Units

Wiring diagrams for dual-frame outdoor unit power supply.

Triple Frame Outdoor Unit Wiring Configuration (from Outside Source to Outdoor Units

Wiring diagrams for triple-frame outdoor unit power supply.

Communication Cable Specifications From Outdoor Unit to Indoor Units; Heat Recovery Units

Specifications for communication cables connecting outdoor to indoor units.

Communication Cable Specifications

Details on communication cable types and connection methods.

PRE-COMMISSIONING

Triple Leak; Pressure Check

Procedure for performing triple leak and pressure tests on the refrigerant system.

Triple Evacuation Procedure

Steps for performing a triple evacuation to remove moisture and air from the system.

Vacuum Mode (Option)

Instructions for using the optional vacuum mode for system setup.

DIP Switch Settings for Use with Gen 4 Indoor Units

DIP switch configurations for compatibility with Gen 4 indoor units.

Checking Outdoor Unit Settings; Setting the Optional Modes

How to check settings and configure various optional operating modes.

Integrated Test Run (ITR) (Fd7)

Procedure for performing the Integrated Test Run to verify system operation.

Cool; Heat Selector (Fn1)

Setting the Cool/Heat Selector function to define system operating mode.

Static Pressure Compensation Function (Fn2)

Adjusting fan speed settings to compensate for duct static pressure.

Night Low Sound Function (Fn3)

Configuring the fan speed for reduced noise operation.

(Overall) Defrost Function (Fn4)

Setting the overall defrost operation mode for the system.

Snow Removal Assist; Rapid Defrost Function (Fn6)

Configuring functions for snow removal and rapid defrost operations.

Smart Load Control (SLC) Function (Fn14)

Adjusting compressor operation for energy savings during off-peak hours.

Outdoor Unit Addressing Function (Fn5)

Assigning unique addresses to outdoor units for system communication.

High Efficiency Function (Cooling Operation) (Fn10)

Enabling high efficiency mode for enhanced cooling performance.

ERROR CODES

ERROR CODE TABLES

LG MONITORING VIEW (LGMV) DIAGNOSTIC SOFTWARE

INSTALLATION CHECKLIST

PRE-COMMISSIONING CHECKLIST

Summary

SAFETY PRECAUTIONS

Safety Precautions

General safety guidelines and warnings for installation and operation of the system.

ELECTRICAL DATA

208-230 V Outdoor Unit Electrical Data

Detailed electrical data, including motor amps, MCA, and MOCP for 208-230V units.

460 V Outdoor Unit Electrical Data

Detailed electrical data, including motor amps, MCA, and MOCP for 460V units.

SPECIFICATIONS; ELECTRICAL DATA

PLACEMENT CONSIDERATIONS

Selecting the Best Location for the Outdoor Unit(s)

Criteria for choosing the optimal location for outdoor units, considering airflow and access.

Outdoor Unit Clearance Requirements

Specifies required clearances around outdoor units for proper airflow and service access.

MOUNTING; ANCHORING THE OUTDOOR UNIT(S)

Mounting; Anchoring the Outdoor Unit(s)

Instructions for securely mounting and anchoring outdoor units to a base or support.

General Refrigerant Piping System Information

Refrigerant Safety Standards; Device Connection Limitations

Safety standards and limitations for refrigerant piping, including maximum allowable concentrations.

COPPER EXPANSION AND CONTRACTION

REFRIGERANT SYSTEM ENGINEERING

FLARING AND BRAZING PROCEDURES

Flaring Procedure

Step-by-step instructions for performing correct flare connections with R410A refrigerant.

INSTALLING FOR HEAT PUMP OPERATION

INSTALLING FOR HEAT RECOVERY OPERATION

REFRIGERANT PIPING FOR SEPARATED OUTDOOR UNITS

ELECTRICAL

Power Wiring; Communication Cable Connections

Proper methods for terminating power and communication cables using solderless terminals.

Power Wiring and Communication Cable System Layout

Schematics illustrating power and communication wiring layouts for different system types.

Power Supply; Power Wiring Specifications

Requirements for power supply voltage, phase, and wiring gauge.

Single Frame Outdoor Unit Wiring Configuration (from Outside Source to Outdoor Units

Wiring diagram for single-frame outdoor unit power supply.

Dual Frame Outdoor Unit Wiring Configuration (from Outside Source to Outdoor Units

Wiring diagrams for dual-frame outdoor unit power supply.

Triple Frame Outdoor Unit Wiring Configuration (from Outside Source to Outdoor Units

Wiring diagrams for triple-frame outdoor unit power supply.

Communication Cable Specifications From Outdoor Unit to Indoor Units; Heat Recovery Units

Specifications for communication cables connecting outdoor to indoor units.

Communication Cable Specifications

Details on communication cable types and connection methods.

PRE-COMMISSIONING

Triple Leak; Pressure Check

Procedure for performing triple leak and pressure tests on the refrigerant system.

Triple Evacuation Procedure

Steps for performing a triple evacuation to remove moisture and air from the system.

Vacuum Mode (Option)

Instructions for using the optional vacuum mode for system setup.

DIP Switch Settings for Use with Gen 4 Indoor Units

DIP switch configurations for compatibility with Gen 4 indoor units.

Checking Outdoor Unit Settings; Setting the Optional Modes

How to check settings and configure various optional operating modes.

Integrated Test Run (ITR) (Fd7)

Procedure for performing the Integrated Test Run to verify system operation.

Cool; Heat Selector (Fn1)

Setting the Cool/Heat Selector function to define system operating mode.

Static Pressure Compensation Function (Fn2)

Adjusting fan speed settings to compensate for duct static pressure.

Night Low Sound Function (Fn3)

Configuring the fan speed for reduced noise operation.

(Overall) Defrost Function (Fn4)

Setting the overall defrost operation mode for the system.

Snow Removal Assist; Rapid Defrost Function (Fn6)

Configuring functions for snow removal and rapid defrost operations.

Smart Load Control (SLC) Function (Fn14)

Adjusting compressor operation for energy savings during off-peak hours.

Outdoor Unit Addressing Function (Fn5)

Assigning unique addresses to outdoor units for system communication.

High Efficiency Function (Cooling Operation) (Fn10)

Enabling high efficiency mode for enhanced cooling performance.

ERROR CODES

ERROR CODE TABLES

LG MONITORING VIEW (LGMV) DIAGNOSTIC SOFTWARE

INSTALLATION CHECKLIST

PRE-COMMISSIONING CHECKLIST

LG ARUM072DTE5 Specifications

General IconGeneral
BrandLG
ModelARUM072DTE5
CategoryAir Conditioner
LanguageEnglish

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