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LG Therma V ZHBW056A0 User Manual

LG Therma V ZHBW056A0
115 pages
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AIR-TO-WATER HEAT PUMP
SERVICE MANUAL
(General)
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
CONFIDENTIAL
Copyright © 2018 LG Electronics Inc. All rights reserved. Only training and service purposes.

Table of Contents

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LG Therma V ZHBW056A0 Specifications

General IconGeneral
BrandLG
ModelTherma V ZHBW056A0
CategoryHeat Pump
LanguageEnglish

Summary

Safety Precautions

Safety Precautions in Repair

Details safety measures specific to the repair process, including electrical and refrigerant handling.

General Information

Model Names

Explains the nomenclature and types of models available for the Therma V unit.

External Appearance

Describes the physical appearance of the indoor and outdoor units.

Specification

Technical Specifications

Lists detailed technical parameters and operating conditions for the unit.

Features & Controls

List of Function

Outlines the basic functions of the unit across different categories.

Accessory Compatibility List

Lists compatible accessories for the Air-to-Water Heat Pump.

Summarized Features

Highlights key features like emergency control and remote controller operation.

Special Function

Details special functions such as lock settings for the remote controller.

Timer Operation

Explains how to enter and set timer functions on the remote controller.

Schedule Setting

Covers setting daily schedules and editing saved schedules.

System Set-up

DIP Switch Setting

Details the configuration and function of DIP switches for system setup.

Service Setting

Service Contact

Allows checking and inputting service center phone numbers for support.

Model Information

Displays indoor/outdoor unit group and capacity information.

RMC Version Information

Shows the software version of the remote controller.

Open Source License

Provides access to the remote controller's open source software license details.

Installer Setting

Installer Setting Mode

Guides on entering installer setting mode for detailed unit configuration.

Basic Control

Normal Operation

Explains the basic principle of controlling motor rpm via compressor frequency.

Compressor Control

Details how fuzzy control maintains stable system performance for compressor.

EEV Control

Describes the electronic expansion valve control for superheat and discharge pipe temperature.

Replacement

Replacement Procedure for Compressor

Step-by-step guide for replacing the compressor unit.

Replacement Procedure for INV PCB

Instructions for replacing the Inverter Printed Circuit Board assembly.

Caution for Assembling Outdoor Panels

Advises on correctly assembling outdoor panels after unit replacement.

Trouble Shooting

Checking Key Components of Unit

Guides on how to check critical unit components like flow switch and water pump.

Self-Diagnosis Feature

Explains the system's self-diagnosis capabilities and classified trouble types.

Trouble Shooting Guide

Provides a comprehensive guide for diagnosing and resolving various error codes.

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