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LG ARNU 073 SER2 User Manual

LG ARNU 073 SER2
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EM-MultiV-WallMounted-IndoorUnits-01-15
WALL-MOUNTED INDOOR UNIT
ENGINEERING MANUAL
Art Cool Mirror Wall-Mounted
7,500 to 24,200 Btu/h
Standard Wall-Mounted
5,500 to 24,200 Btu/h
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LG ARNU 073 SER2 Specifications

General IconGeneral
Cooling Capacity (kW)2.05
Refrigerant TypeR32
Power Supply220-240V, 50Hz
Cooling Capacity (BTU/h)7000
Indoor Unit Noise Level (dB(A))19
Noise Level (Indoor)19 dB(A)

Summary

Unit Nomenclature

Family

Defines the family of the indoor unit, like Multi V.

Type

Specifies the type of heat pump, e.g., DC Inverter Heat Pump.

Indoor Unit Nominal Capacity

Lists nominal capacities in Btu/h for different models.

Model

Details various model types like Ducted, Wall Mounted, Cassette.

Feature

Describes unit features like Plasma Filter or Neo Plasma.

Generation

Indicates the product generation, e.g., Second or Fourth.

Indoor Unit Overview

Art Cool Mirror Wall-Mounted Units

Specifications for Art Cool Mirror wall-mounted indoor units.

Standard Wall-Mounted Units

Specifications for standard wall-mounted indoor units.

Ceiling Cassette One Way

Specifications for one-way ceiling cassette indoor units.

Ceiling Cassette Two Way

Specifications for two-way ceiling cassette indoor units.

Ceiling Cassette Four Way (2' x 2')

Specifications for 2'x2' four-way ceiling cassette units.

Ceiling Cassette Four Way (3' x 3')

Specifications for 3'x3' four-way ceiling cassette units.

Ducted High Static Units

Specifications for ducted indoor units with high static pressure.

Ducted Low Static Units

Specifications for ducted indoor units with low static pressure.

Ducted Low Static - Built In Units

Specifications for built-in ducted low static indoor units.

Vertical/Horizontal Air Handling Units

Specifications for vertical/horizontal air handling units.

Ceiling Suspended Units

Specifications for ceiling suspended indoor units.

Convertible Surface Mounted Units

Specifications for convertible surface mounted indoor units.

Floor Standing - Cased Units

Specifications for cased floor standing indoor units.

Floor Standing - Uncased Units

Specifications for uncased floor standing indoor units.

Controllers Overview

Zone Controllers

Details on various zone controllers, their models, and capabilities.

Zone Controller Communication Cables

Information on communication cables for zone controllers.

Specialty Application Devices

Lists and describes specialty devices for HVAC control systems.

Central Controllers

Details on central controllers for managing multiple units.

Integration Solutions

Information on integrating LG systems with BACnet and LonWorks.

Options and Features

Compares options and features across different indoor unit types.

LATS Piping Design Software

Design Choices

Explains design choices and features available in LATS software.

LATS Report

Describes the reports generated by the LATS software.

Art Cool Mirror Wall-Mounted Units

Mechanical Specifications

Details mechanical aspects of Art Cool Mirror units, including casing, finish, fan, filter, and vanes.

General Data

Provides general specifications like capacity, weight, and piping for Art Cool Mirror units.

Electrical Data

Details electrical ratings, MCA, MOP, and power input for Art Cool Mirror units.

External Dimensions (SE Frame)

Provides external dimensions for SE frame Art Cool Mirror units with diagrams.

External Dimensions (S8 Frame)

Provides external dimensions for S8 frame Art Cool Mirror units with diagrams.

Electrical Wiring Diagram (SE and S8 Frames)

Shows wiring diagrams for SE and S8 frame Art Cool Mirror units.

Electrical Wiring Diagram Legend

Explains PCB connections and their purposes in the wiring diagram.

Refrigerant Flow Diagram (SE and S8 Frames)

Illustrates refrigerant flow and thermistor locations for SE/S8 frames.

Refrigerant Pipe Connection Port Diameters

Lists pipe connection port diameters for SE and S8 frames.

Thermistors

Describes the function of TH1, TH2, and TH3 thermistors.

Sound Pressure Levels

Presents sound pressure levels in dB(A) for various fan speeds.

Sound Pressure Level Diagrams

Provides sound pressure level diagrams for specific models.

Air Velocity / Temperature Distribution (ARNU073SER2, ARNU093SER2)

Shows airflow and temperature distribution for ARNU073/093SER2 units.

Air Velocity / Temperature Distribution (ARNU123SER2, ARNU153SER2)

Displays airflow and temperature distribution for ARNU123/153SER2 units.

Air Velocity / Temperature Distribution (ARNU183S8R2, ARNU243S8R2)

Presents airflow and temperature distribution for ARNU183S8R2/243S8R2 units.

Cooling Capacity Tables (ARNU073SER2, ARNU093SER2, ARNU123SER2)

Provides cooling capacity data for ARNU073/093/123SER2 models.

Cooling Capacity Tables (ARNU153SBL4, ARNU183SBL4, ARNU243SBL4)

Lists cooling capacity for ARNU153SBL4/183SBL4/243SBL4 models.

Heating Capacity Tables (ARNU073SER2, ARNU093SER2, ARNU123SER2, ARNU153SER2)

Shows heating capacity data for ARNU073/093/123/153SER2 models.

Heating Capacity Tables (ARNU183S8R2, ARNU243S8R2)

Provides heating capacity for ARNU183S8R2/243S8R2 models.

Standard Wall-Mounted Units

Mechanical Specifications

Details mechanical aspects of standard wall-mounted units, including casing, fan, filter, and controls.

General Data (SB Frames)

Provides general specifications for SB frame standard wall-mounted units.

General Data (SC Frames)

Provides general specifications for SC frame standard wall-mounted units.

Electrical Data

Details electrical ratings, MCA, MOP, and power input for standard wall-mounted units.

External Dimensions (SB Frame)

Provides external dimensions for SB frame standard wall-mounted units with diagrams.

External Dimensions (SC Frame)

Provides external dimensions for SC frame standard wall-mounted units with diagrams.

Electrical Wiring Diagram (SB and SC Frames)

Shows wiring diagrams for SB and SC frame standard wall-mounted units.

Wiring Diagram Legend

Explains PCB connections and their purposes in the wiring diagram.

Refrigerant Flow Diagram (SB and SC Frames)

Illustrates refrigerant flow for SB and SC frames.

Refrigerant Pipe Connection Port Diameters

Lists pipe connection port diameters for SB and SC frames.

Thermistors

Describes the function of thermistors for SB and SC frames.

Sound Pressure Levels

Presents sound pressure levels in dB(A) for various fan speeds.

Sound Pressure Level Diagrams

Provides sound pressure level diagrams for specific models.

Sound Power Levels

Presents sound power levels in dB(A) for standard wall-mounted units.

Sound Power Level Diagrams

Provides sound power level diagrams for specific models.

Air Velocity / Temperature Distribution (ARNU053SBL4, ARNU073SBL4)

Shows airflow and temperature distribution for ARNU053/073SBL4 units.

Air Velocity / Temperature Distribution (ARNU093SBL4, ARNU123SBL4)

Displays airflow and temperature distribution for ARNU093/123SBL4 units.

Air Velocity / Temperature Distribution (ARNU153SBL4, ARNU183SCL4)

Presents airflow and temperature distribution for ARNU153SBL4/183SCL4 units.

Air Velocity / Temperature Distribution (ARNU243SCL4)

Shows airflow and temperature distribution for ARNU243SCL4 units.

Cooling Capacity Tables (ARNU053SBL4, ARNU073SBL4, ARNU093SBL4)

Provides cooling capacity data for ARNU053/073/093SBL4 models.

Cooling Capacity Tables (ARNU123SBL4, ARNU153SBL4, ARNU183SBL4, ARNU243SBL4)

Lists cooling capacity for ARNU123/153SBL4, ARNU183/243SCL4 models.

Cooling Capacity Table (ARNU243SCL4)

Provides cooling capacity data for ARNU243SCL4 model.

Heating Capacity Tables (ARNU053SBL4, ARNU073SBL4, ARNU093SBL4, ARNU123SBL4)

Shows heating capacity data for ARNU053/073/093/123SBL4 models.

Heating Capacity Tables (ARNU153SBL4, ARNU183SCL4, ARNU243SCL4)

Lists heating capacity for ARNU153SBL4, ARNU183SCL4, ARNU243SCL4 models.

Application Guidelines

Selecting the Best Location

Guidance on choosing the optimal installation location for indoor units, including do's and don'ts.

General Mounting

Instructions and considerations for mounting indoor units, including plate installation.

General Drain Piping Information

Information on drain piping for indoor units, including hose and specifications.

Drain Hose

Details about the built-in drain hose and its extension.

Drain Piping

Guidelines for drain piping installation, slope, and holes.

Drain Leak Test

Procedure for testing the drainage system for leaks.

Drain Pipe Insulation

Recommendations for insulating drain piping to prevent condensate.

Common Indoor Unit Drainage System

Explains connecting multiple unit drains to a common system.

General Power Wiring / Communications Cable Guidelines

Guidelines for power and communication wiring, including safety warnings.

Power Wiring and Communications Cable Connections

Instructions for connecting power and communication cables.

Wired Controller Placement

Recommendations for placing wired controllers for optimal performance and comfort.

Acronyms

A glossary of acronyms used throughout the manual.

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