How Do I Learn Air Conditioning Repair?

This book is specially designed for the needs of beginners, transferers and reemployed personnel of air conditioning equipment maintenance technology. The book is divided into four chapters. The first chapter mainly introduces the basic knowledge of air conditioners; the second chapter mainly describes the working principle and structural composition of air conditioners; the third and fourth chapters mainly describe the principles and maintenance of home central air conditioners and automobile air conditioners.

Learn air conditioning equipment maintenance technology from scratch

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Chapter 1 Basics of Air Conditioners

Section 1 Air Composition and Main Status Parameters

I. Air composition

Second, the main state parameters

Knowledge of thermodynamics

I. Thermal energy characteristics

Two laws of thermodynamics

Section III Basics of Refrigeration Technology

I. Basic concepts

Second, refrigeration technology foundation

Chapter II Working Principle and Composition of Air Conditioner

Section I Air Conditioning Overview

First, the use of air conditioners

Types of air conditioners

Composition of air conditioner

Model of air conditioner

Section 2 Structure and Working Principles of Refrigeration System of Household Air Conditioner

First, window type air conditioner

Second, split air conditioner

Third, the main parts of home air conditioners

Section III Structure and Working Principle of Ventilation System of Household Air Conditioner

I. Ventilation circulation system of window air conditioner

Ventilation circulation system of split air conditioner

Third, the main structural components

Section 4 Electrical System Structure and Working Principle

First, the mechanical control electrical system

Computer-controlled electrical system

Section 5 Structure and Working Principle of Variable Frequency Air Conditioner

First, the principle and characteristics of inverter air conditioner

Second, special components and circuits

Working principle of AC inverter air conditioner

Working principle of DC inverter air conditioner

Installation and commissioning of air conditioner

First, the choice of air conditioner

Matters needing attention for air conditioner installation

Choice of Air Conditioner Position

Fourth, the installation of air conditioners

Five, the installation of cabinet air conditioners

Relocation of air conditioner

Disassembly of split wall-mounted air conditioner

Installation of split wall-mounted air conditioner after moving

Relocation of split cabinet air conditioners and window air conditioners

Section VIII Troubleshooting of Air Conditioner

First, the basic operation

Common faults and maintenance of air-conditioning refrigeration system

Third, the common air conditioner fault code

Chapter III Structure and Maintenance of Household Central Air Conditioners

Section I Overview

Section 2 Structure and Working Principle of Household Central Air Conditioning Refrigeration System

I. Hot and cold household central air conditioners

Air duct system

Three, VRV system

Section III Household Central Air Conditioning Control System

First, the main refrigeration components

Second, the home central air-conditioning control system

Installation and commissioning of central air-conditioning system

Four, home central air conditioning failure and maintenance

Section 4 Lithium Bromide Refrigeration

I. Absorption refrigeration principle

Working principle of lithium bromide absorption refrigerator

Classification of lithium bromide absorption chiller

Fourth, lithium bromide absorption chiller

V. Operation of Steam Refrigerator

Six, common failures and maintenance methods of lithium bromide absorption refrigerator

Chapter 4 Principles and Maintenance of Automotive Air Conditioning System

Section I Overview

First, the composition of automotive air conditioners

Classification of automotive air conditioning systems

Third, the layout of car air conditioners

Section 2 Automotive Air Conditioning Refrigeration System

First, the working principle of automotive air conditioning refrigeration system

Classification of automotive air-conditioning refrigeration systems

Third, the main components of automotive air-conditioning refrigeration system

Section 3 Automotive Air Conditioning Heating System

First, the classification of automotive air conditioning heating system

Structure and working principle of automotive air conditioning heating system

Section 4 Automotive Air Conditioning Ventilation System

First, dynamic pressure ventilation

Second, forced ventilation

Third, comprehensive ventilation

Section 5 Automotive Air Purification System

Section 6 Automotive Air Conditioning Control System

First, the electromagnetic clutch

Second, the pressure switch

Third, the engine idle speed controller

4. Temperature and pressure control circuit device of automobile air conditioner

Five, temperature and speed control circuit analysis

Analysis of automatic temperature control circuit of automobile air conditioner

Seven, heating and defrosting circuit of car air conditioners and ventilation with fans

Eight, car air-conditioning circuit example

Section 7 Common Failures and Maintenance of Automotive Air Conditioning System

I. Basic maintenance tools and use methods of automobile air conditioners

Second, the basic maintenance of automotive air conditioning systems

3. Fault diagnosis and elimination of automobile air-conditioning system