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Control Systems for Heating, Ventilating, and Air Conditioning / Edition 5
     

Control Systems for Heating, Ventilating, and Air Conditioning / Edition 5

by Roger W. Haines, Douglas C. (Ed.) Hittle, Douglas C. Hittle, Haines
 

ISBN-10: 0442008376

ISBN-13: 9780442008376

Pub. Date: 06/28/1993

Publisher: Chapman & Hall

Control Systems for Heating, Ventilating and Air Conditioning, Sixth Edition contains a comprehensive treatment of heating and air conditioning system controls. This book was originally written to provide fundamentals of HVAC control to practitioners who were designing new control systems or maintaining existing control systems. Emphasis on fundamental control system

Overview

Control Systems for Heating, Ventilating and Air Conditioning, Sixth Edition contains a comprehensive treatment of heating and air conditioning system controls. This book was originally written to provide fundamentals of HVAC control to practitioners who were designing new control systems or maintaining existing control systems. Emphasis on fundamental control system principles along with the psychrometrics of air conditioning processes has remained a focus of the new edition. While control system technology has changed drastically over the years, the fundamentals of controlling heating and air conditioning systems have changed only modestly.

Product Details

ISBN-13:
9780442008376
Publisher:
Chapman & Hall
Publication date:
06/28/1993
Edition description:
Older Edition
Pages:
336
Product dimensions:
6.31(w) x 9.31(h) x 0.95(d)
Age Range:
18 Years

Table of Contents

README first please xi

Chapter 1 Control Theory and Terminology 1

1.1 Introduction 1

1.2 What is "Control"? 2

1.3 Elementary Control System 3

1.4 Purposes of Control 4

1.5 Control Action 5

1.6 Energy Sources for Control Systems 12

1.7 Measurement 14

1.8 Symbols and Abbreviations 15

1.9 Psychrometrics 15

1.10 Relationships 15

1.11 Summary 16

Chapter 2 Pneumatic Control Devices 17

2.1 Introduction 17

2.2 Pneumatic Control Devices 17

2.3 Control Cabinets 47

2.4 Air Supply 47

Chapter 3 Electric and Electronic Control Devices 51

3.1 Electric Control Devices 51

3.2 Electronic Control Devices 65

Chapter 4 Fluidic Control Devices 80

4.1 Introduction 80

4.2 Wall Attachment Devices 80

4.3 Turbulence Amplifiers 82

4.4 Vortex Amplifiers 83

4.5 Radial Jet Amplifier 84

4.6 Fluidic Transducers 84

4.7 Manual Switches 86

Chapter 5 Flow Control Devices 87

5.1 Dampers 87

5.2 Steam and Water Flow Control Valves 93

Chapter 6 Elementary Control Systems 109

6.1 Introduction 109

6.2 Outside Air Controls 109

6.3 Air Stratification 117

6.4 Heating 121

6.5 Cooling Coils 126

6.6 Humidity Control 132

6.7 Dehumidifiers 140

6.8 Static Pressure Control 143

6.9 Electric Heat 144

6.10 Gas-Fired Heaters 147

6.11 Oil-Fired Heaters 149

6.12 Refrigeration Equipment 149

6.13 Fire and Smoke Control 157

6.14 Electrical Interlocks 159

6.15 Location of Sensors 159

6.16 Summary 160

Chapter 7 Complete Control Systems 161

7.1 Introduction 161

7.2 Single-Zone Systems 161

7.3 Multizone Air Handling Systems 173

7.4 Dual-Duct Systems 186

7.5 Variable-Volume Systems 192

7.6 Reheat Systems 201

7.7 Heat Reclaim 201

7.8 Fan-CoilUnits 209

7.9 Induction Systems 217

7.10 Unit Ventilators 220

7.11 Packaged Equipment 221

7.12 Other Packaged Equipment 226

7.13 Radiant Heating and Cooling 227

7.14 Radiators and Convectors 229

7.15 Heat Exchangers 231

7.16 Solar Heating and Cooling Systems 234

7.17 summary 236

Chapter 8 Electric Control Systems 238

8.1 Introduction 238

8.2 Electric Control Diagrams 238

8.3 Electrical Control of a Chiller 242

8.4 Electrical Control of an Air Handling Unit 244

8.5 Example: a Typical Small Air-Conditioning System 245

8.6 Electric Heaters 250

8.7 Reduced-Voltage Starters 251

8.8 Multispeed Starters 257

8.9 Variable Speed Controllers 260

8.10 Summary 261

Chapter 9 Special Control 262

9.1 Introduction 262

9.2 Close Temperature and/or Humidity Control 262

9.3 Controlled Environment Rooms for Testing 269

9.4 Summary 273

Chapter 10 Digital and Supervisory Control Systems 274

10.1 Introduction 274

10.2 Hard-Wired Systems 275

10.3 Multiplexing Systems 276

10.4 Computer-Based Systems for Monitoring and Control 276

10.5 Benefits of the Computer System 285

10.6 Training for Maintenance and Operation 286

10.7 Summary 287

Chapter 11 Psychrometrics 288

11.1 Introduction 288

11.2 Psychrometric Properties 288

11.3 Psychrometr1c Tables 290

11.4 Psychrometric Charts 290

11.5 Processes on the Psychrometric Chart 293

11.6 HVAC Cycles on the Chart 298

11.7 Impossible Processes 299

11.8 Effects of Altitude 301

11.9 Summary 302

Chapter 12 Central Plant Pumping and Distribution Systems 303

12.1 Introduction 303

12.2 Diversity 304

12.3 Constant Flow Systems 304

12.4 Variable Flow Systems 305

12.5 Distribution Systems 307

12.6 Building Interfaces 313

12.7 Summary 314

Chapter 13 Retrofit of Existing Control Systems 315

13.1 Introduction 315

13.2 Economic Analysis 315

13.3 Discriminators 316

13.4 Control Modes 316

13.5 Economy Cycle Controls 316

13.6 Single-Zone Systems 316

13.7 Reheat Systems 317

13.8 Multizone Systems 320

13.9 Dual-Duct Systems 323

13.10 Systems with Humidity Control 328

13.11 Control Valves and Pumping Arrangements 329

13.12 Summary 331

Chapter 14 Dynamic Response and Tuning 332

14.1 Introduction 332

14.2 Dynamic Response 333

14.3 Tuning HVAC Control Loops 334

14.4 Summary 342

Bibliography 343

Abbreviations Used in This Book 348

Symbols Used in This Book 349

Index 359

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