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LG ARWN048GA2 User Manual

LG ARWN048GA2
92 pages
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Installation, Operation & Maintenance Manual
ARWN038GA2 ARWN048GA2 ARWN053GA2
Heat Pump 208-230V, 60Hz, 1 Phase
Variable Refrigerant Flow Water Source Units
3.0, 4.0, and 4.4 Tons

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LG ARWN048GA2 Specifications

General IconGeneral
BrandLG
ModelARWN048GA2
CategoryHeat Pump
LanguageEnglish

Summary

Safety Precautions

Installation Safety

Key safety guidelines for unit installation.

Wiring Safety

Electrical safety precautions for wiring and connections.

Operation Safety

Important safety guidelines for operating the unit.

Unit Identification, Specifications & Installation

Unit Nomenclature and Data

Model identification, general data, and electrical characteristics.

Installation Procedures

Guidelines for placement, transport, space, mounting, and anchoring.

Refrigerant Piping

Refrigerant Flow Diagrams

Illustrates refrigerant paths for cooling, heating, and oil return.

Piping Design and Sizing

Covers pipe design software, sizing, connections, and pressure testing.

Pipe Supports and Insulation

Details pipe supports, slope, and insulation requirements for piping.

Water Circuit and Electrical Systems

Water Circuit Installation

Covers water circuit design, piping specs, freeze protection, and flow control.

Electrical System Installation

General info, power wiring, and communication cable installation guidelines.

Pre-Commissioning and Diagnostics

Pre-Commissioning Procedures

Covers electrical prep, unit addressing, piping/water circuit prep, and package docs.

LG Monitoring View (LGMV) and Error Codes

Introduces LGMV software for monitoring, diagnostics, and troubleshooting errors.

Maintenance and Checklists

Maintenance Procedures

Details heat exchanger maintenance and general schedule.

Installation and Pre-Commissioning Checklists

Provides checklists for installation and pre-commissioning verification.

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