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LG Therma V ZHBW166A0 User Manual

LG Therma V ZHBW166A0
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 ZHBW166A0 Specifications

General IconGeneral
TypeAir-to-Water Heat Pump
ModelZHBW166A0
Heating Capacity16 kW
Energy Efficiency Class (Heating)A++
RefrigerantR32
Power Source50Hz

Summary

THERMA V Air-to-Water Heat Pump Service Manual (General)

Safety Precautions

Safety Precautions in Repair

Guidelines for ensuring safety during repair procedures.

Inspections after Repair

Procedures and checks to perform after completing repair work.

Part 1 General Information

Model Names

Details on different model designations and their specifications.

External Appearance

Visual descriptions of the unit's exterior components.

Part 2 Features & Controls

List of Functions

Comprehensive list of basic and advanced functions of the unit.

Operation Modes and Settings

Details on features like timers, schedules, special functions, and system setup.

Test Run Procedure

Step-by-step guide for performing a test run on the unit.

Part 3 Basic Control

Normal Operation

Explanation of the basic principles of normal operation and component control.

Compressor Control

Details on how the compressor's speed and operation are controlled.

EEV (Electronic Expansion Valve) Control

Explanation of how the EEV controls refrigerant flow for optimal performance.

Part 4 Replacement

Replacement Procedure for Compressor

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

Replacement Procedure for INV PCB

Instructions for replacing the Inverter Printed Circuit Board (PCB).

Caution for Assembling Outdoor Panels after Test Run

Important precautions to follow when reassembling outdoor panels post-test run.

Part 5 Trouble Shooting

Key Component Checks

Procedures for checking critical unit components like flow switch, pump, and compressor.

Self-Diagnosis and Error Codes

Understanding self-diagnosis features, error indicators, and error code lists.

Troubleshooting Guide

A comprehensive guide for identifying and resolving common operational problems and error codes.

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