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LG Therma V ZHBW128A0 User Manual

LG Therma V ZHBW128A0
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 ZHBW128A0 Specifications

General IconGeneral
TypeAir-to-water heat pump
Heating Capacity12 kW
RefrigerantR32
COP4.0
Power Supply50Hz

Summary

Safety Precautions

Safety Precautions in Repair

Essential safety guidelines for personnel performing repair work on the unit, covering electrical and refrigerant hazards.

Inspections after Repair

Procedures to ensure the unit is safe and functional post-maintenance, including electrical checks.

Product Information

General Product Information

Overview of the Air-to-Water Heat Pump, its applications, and installation considerations.

Model Information and Nomenclature

Explains model naming conventions, factory and buyer model names, and capacity indications.

Unit Specifications

Detailed technical specifications for cooling, heating, power, and physical dimensions.

External Appearance and Components

Visual identification of the unit's components and included accessories like manuals and controllers.

Features and Controls

List of Functions

Comprehensive list of basic and advanced functions for different operational categories.

Special Functions and Settings

Details on lock settings for the remote controller to restrict operation.

Schedule Settings

Information on setting up daily schedules, exception days, and special operating modes.

System Setup and Configuration

DIP Switch Settings

Configuration options managed via DIP switches for various operational modes and accessories.

Service and Installer Settings

Accessing and configuring service-specific functions like contact info and installer parameters.

Operation and Maintenance

Test Run Procedures

Steps for performing a test run after installation or repair, including flow charts.

Replacement Procedures

Guides for replacing major components like the compressor and INV PCB.

Troubleshooting and Error Codes

Diagnosing issues, understanding error indicators, error code lists, and component checks.

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