9780827367388

Electricity and Controls for Heating, Ventilating, and Air Conditioning

by
  • ISBN13:

    9780827367388

  • ISBN10:

    0827367384

  • Edition: 3rd
  • Format: Paperback
  • Copyright: 8/24/1995
  • Publisher: Thomson Delmar Learning
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Summary

As in earlier editions, the text takes readers from a straightforward discussion of basic electrical theory all the way to an in-depth treatment of alternating current, series and parallel circuits, as well as resistive, inductive and capacitative circuits. It highlights testing and troubleshooting procedures more than ever, and includes a number of new exercises. 450 illus.

Table of Contents

Preface
Basic Electricityp. 1
Atomic Structurep. 2
Electrical Quantities and Ohm's Lawp. 7
Measuring Instrumentsp. 13
Electrical Circuitsp. 23
Electrical Servicesp. 29
Wire Size and Voltage Dropp. 40
Inductancep. 47
Capacitancep. 53
Single-Phase Motorsp. 63
Split-Phase Motorsp. 64
The Shaded-Pole Induction Motorp. 74
Multi-Speed Motorsp. 78
Three-Phase Motorsp. 83
Three-Phase Motor Principlesp. 84
The Squirrel Cage Induction Motorp. 94
The Wound Rotor Induction Motorp. 101
The Synchronous Motorp. 108
Control Componentsp. 113
Overloadsp. 114
Relays, Contactors, and Motor Startersp. 119
The Solid-State Relayp. 124
The Control Transformerp. 127
Starting Relaysp. 135
Variable-Speed Motor Controlp. 145
The Defrost Timerp. 149
The Thermostatp. 158
High- and Low-Pressure Switchesp. 168
The Flow Switchp. 173
The Humidistatp. 176
Fan-Limit Switchesp. 178
The Oil-Pressure Failure Switchp. 183
Solenoid Valvesp. 187
The Short-Cycle Timerp. 192
Methods of Sensing Temperaturep. 199
Control Circuitsp. 209
Schematics and Wiring Diagramsp. 210
Developing Wiring Diagramsp. 218
Gas Burner Controlsp. 227
Oil Burner Controlsp. 233
Troubleshooting Using Control Schematicsp. 239
Room Air Conditionersp. 240
A Commercial Air-Conditioning Unitp. 246
Heat-Pump Controlsp. 251
Packaged Units: Electric Air Conditioning and Gas Heatingp. 261
Ice Makersp. 265
Household Ice Makersp. 266
Commercial Ice Makersp. 287
Solid-State Devicesp. 303
Semi-Conductor Materialsp. 304
The PN Junctionp. 309
The Light-Emitting Diodep. 314
The Transistorp. 316
The Unijunction Transistorp. 322
The Silicon-Controlled Rectifierp. 326
The Diacp. 333
The Triacp. 335
The Operational Amplifierp. 340
Solid-State Controlsp. 353
Programmable Controllersp. 354
Programming a PCp. 363
Analog Sensing for Programmable Controllersp. 370
Glossaryp. 373
Indexp. 390
Table of Contents provided by Blackwell. All Rights Reserved.

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