HVAC and refrigeration preventive maintenance / Eric Kleinert.

Format:

Book

Author/Creator:

Kleinert, Eric, author.

Series:

McGraw-Hill's AccessEngineering

Language:

English

Subjects (All):

Heating--Equipment and supplies--Maintenance and repair.

Heating.

Ventilation--Equipment and supplies--Maintenance and repair.

Ventilation.

Air conditioning--Equipment and supplies--Maintenance and repair.

Air conditioning.

Refrigeration and refrigerating machinery--Maintenance and repair.

Refrigeration and refrigerating machinery.

Genre:

Electronic books.

Physical Description:

1 online resource

Edition:

First edition.

Place of Publication:

New York, N.Y. : McGraw-Hill Education, [2015]

Language Note:

In English.

Summary:

Presents a veteran service and repair professional with decades of hands-on experience walks you through the preventive maintenance process for residential and commercial HVAC and refrigeration systems. This book helps you learn how to inspect, adjust, clean, and test your products to ensure that they run efficiently and have a long service life.

Contents:

A. Acknowledgments

B. About the author

C. Introduction

Degree of difficulty scale

1. Safety practices

Safety procedures

Grounding of air conditioning, heating, and refrigeration equipment

Checking air conditioning, heating, and refrigeration equipment voltage

2. Tools needed for installation, repair, and preventative maintenance

Safety precautions

Screwdrivers

Nut drivers

Wrenches

Hammers

Prying tools

Pliers

Cutting tools

Power tools

Specialty tools

3. Indoor air quality

Sources of pollutants

Ventilation

Your health and indoor air pollutants

Types of pollutants found in the home

Air filtration

Air distribution, air circulation, and ductwork

Endnotes

4. Test and balance

Tab test instruments

Preliminary procedures for tab

Visual inspection of the hvac duct system

Visual inspection of the cooling and heating system

5. Principles of air conditioning and refrigeration

Introduction to air conditioning and refrigeration

Saving the ozone layer

Matter

Law of thermodynamics

It's all about heat

Refrigerants

The basic refrigeration cycle

Refrigeration components

Other components used in the sealed refrigeration system

Diagnosing sealed systems

6. Basic electricity and electronics

Electrical wiring

What is a circuit?

Circuit components

Three kinds of circuits

Types of shorts in a circuit

Types of electric current

Ohm's law

Ohms

Amperes

Volts

Watts

Ohm's law equation wheel

Wiring diagram symbols

Terminal codes

Wiring diagrams

Sample wiring diagrams

Multimeters

Measuring voltage

Not all digital multimeters are the same

Measuring resistance (ohms) using an analog multimeter

Measuring resistance (ohms) with a digital multimeter

Electrical safety precautions

Electronics

Integrated circuits and circuit boards

Transformer

Resistors

Thermistor

Diodes

Bridge rectifier

Transistor

Led multiple-segment displays

Capacitors

Heating elements

Electrostatic discharge

Wires

How to strip, splice, solder, install solderless and terminal connectors, and how to use wire nuts on wires

Circuit protection devices

7. Gas

Gas safety

Types of gas

Combustion

Carbon monoxide

Flue gases

The "flame"

Gas orifice

Measuring gas pressure

Testing for gas leaks

8. Oil

Fuel oil safety

Fuel oil ratings

Fuels and their flash points

Products of refining fuel oil

Fuel delivery, storage, and measurement

How the fuel oil travels to the furnace and burner

The combustion process

Excess air

The relationship of excess air, smoke, and efficiency

Btu value of fuel oil versus gas fuel

General venting requirements

9. Room air conditioners

Principles of operation

Safety first

Room air conditioners in general

Room air conditioner preventive maintenance

Room air conditioner preventive maintenance schedule

Cleaning a room air conditioner

Performance data

10. Residential air conditioning and heating

Air conditioning and heating equipment

Residential air conditioning and heating equipment in general

Preventive maintenance checklist

Air duct distribution preventative maintenance

Performing preventive maintenance on a residential air conditioning system

Checking the cooling system for proper refrigerant charge

Checking for proper airflow

Preventive maintenance on a gas furnace

Preventive maintenance on an oil furnace

Operational checks on air conditioning equipment

Water source air conditioning and heating preventive maintenance

Endnotes.

11. Residential refrigeration appliances

Residential refrigerators and freezers

Residential refrigeration appliances in general

The refrigeration cycle

Refrigerator and freezer automatic defrost systems

Storage requirements for perishable products

Storing foods in a high humidity environment within a domestic refrigerator

Storing foods in a low humidity environment within a domestic refrigerator

Storage requirements and serving requirements for wines

Location and installation of refrigerator/freezer

Refrigerator/freezer maintenance

Freezers

Freezer storage and temperatures

12. Commercial air conditioning and heating

Commercial air conditioning and heating equipment

Commercial air conditioning and heating equipment in general

Testing, adjusting, and balance

Air duct distribution preventive maintenance

Filtration

Electronic air cleaners

Condensate management and drain systems

Condensate pump maintenance

Fire and smoke dampers

Uvc lights

13. Water-cooling towers

Water-cooling towers in general

Water-cooling towers

Water cooling tower preventive maintenance checklist

Maintenance schedule for water-cooling towers

14. Self-contained, commercial refrigerators and freezers

Self?contained commercial refrigerators and freezers

Self-contained, commercial refrigerators and freezers in general

Self-contained commercial refrigerators and freezer maintenance

15. Commercial ice machines

Commercial ice machines

Prevention of water-utilizing system explosions

Commercial ice machines in general

Treating the water

Cleaning and sanitizing commercial ice machines

Self-contained ice machine performance data

Troubleshooting water and its effect on ice making

Ice usage guide

16. Troubleshooting

Hvac and refrigeration systems in general

Basic troubleshooting techniques

Product failure

Diagnosis and correction procedure

Technician's, diagnostic guide

Diagnostic electrical flowcharts

Troubleshooting the refrigeration sealed system

Hvac/refrigeration sealed system troubleshooting chart

Troubleshooting sealed-system problems in a room air conditioner

Reversing valve (heat pump models)

Diagnostic charts

Water source heat pump thermostatic expansion valve (txv) troubleshooting chart

Air source heat pump air conditioning unit troubleshooting chart

Static pressure reading

Motor troubleshooting charts

Commercial refrigeration faults that can be felt, heard, or smelled

17. Where to get help

Product recalls and the internet

Manufacturers

Commercial refrigerator manufacturers

Commercial freezer manufacturers

Commercial ice machine manufacturer's

Supermarket refrigeration manufacturers

A. Glossary.

Notes:

Includes bibliographical references and index.

Electronic reproduction. New York, N.Y. : McGraw Hill, 2015. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.

Description based on cover image and table of contents, viewed on Apr. 22, 2015.

Other Format:

Print version: HVAC and refrigeration preventive maintenance.

ISBN:

9780071825658 (print-ISBN)

0071825657 (print-ISBN)

OCLC:

908433881

Access Restriction:

Restricted for use by site license.