Heat Pumps

ISBN-10: 0766819590

ISBN-13: 9780766819597

Edition: 2003

List price: $183.95
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Description:

A comprehensive, yet reader-friendly source of information about modern heat pump technology, as well as the vapor-compression refrigeration system on which it is based, Heat Pumps is the perfect choice for future service technicians. The book begins by introducing the four major components that make up the vapor-compression system: compressor, condenser, metering device, and evaporator. Other system-level components essential to efficient heat pump operation are also addressed, including: cooling towers, pressure controls, safety devices, and thermostats. Subsequent chapters enable readers equipped with a basic understanding of how heat pumps operate to launch directly into detailed examination of the electrical circuits of the vapor-compression refrigeration system as well as the operation of individual system components. In addition to gaining exposure to different heat pump system configurations (including the increasingly popular geothermal system), dedicated troubleshooting chapters provide abundant opportunities to gain practice in applying the seven steps required for successful completion of every service call. Ample pedagogy plus real-life and simplified examples appear throughout the book, maximizing learning and minimizing the frustration often associated with the study of such a highly-technical, complex topic.
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Book details

List price: $183.95
Copyright year: 2003
Publisher: Delmar Cengage Learning
Publication date: 8/15/2002
Binding: Paperback
Pages: 520
Size: 7.50" wide x 9.25" long x 1.00" tall
Weight: 2.090
Language: English

Eugene Silberstein has been involved in all aspects of the HVAC/R industry from field technician and system designer to company owner, teacher, administrator, consultant and author. Mr. Silberstein is currently directing and teaching the associate's degree program in HVAC/R at Suffolk County Community College in Brentwood, New York. Mr. Silberstein has previously served as instructor at Apex Technical School in New York City, where he taught classes on basic, domestic and commercial refrigeration, basic electricity and major home appliances, commercial air conditioning and advanced air conditioning topics. He also served as chairman of the Refrigeration Department and educational supervisor of the Refrigeration, Automotive and Welding programs. In addition to teaching post-secondary courses, Mr. Silberstein has taught air conditioning, heating and plumbing at the high school level. He earned dual bachelor's degrees from CCNY in New York City, New York and is a member of several HVAC/R industry organizations. His technical credits include authoring HEAT PUMPS, RESIDENTIAL CONSTRUCTION ACADEMY: HVAC. Mr. Silberstein has written more than 30 educational videos, test banks and lecture slides for numerous texts. He is currently writing other industry-related books.

Preface
Vapor-Compression Refrigeration System Components
Compressors
Condensers
Expansion or Metering Devices
Evaporators
Vapor-Compression Refrigeration System Accessories and Controls
Service Valves
Filter Driers
Sight Glasses
Refrigerant Receivers
Solenoid Valves
Pressure-Relief Valves
Refrigerant Distributors
Crankcase Heaters
Cooling Towers
System Controls
Transformers
Pressure Controls
Low Ambient Controls
Relays and Contactors
Mechanical Troubleshooting of Vapor-Compression Refrigeration Systems
Evaporator and Condenser Fan Motor Problems
Refrigerant-Charge-Related Problems
Evaluating the Metering Device
Electric Motors and Starting Components
Shaded-Pole Motors
Split-Phase Motors
Capacitor-Start-Induction-Run Motors
Permanent-Split-Capacitor Motors
Capacitor-Start-Capacitor-Run Motors
Three-Phase Motors
Electrical Wiring Diagrams
Schematic Diagrams
Ladder Diagrams
Cooling-Only System with Direct-Acting, Line-Voltage Controls (Schematic)
Cooling-Only System with Direct-Acting, Line-Voltage Controls (Ladder)
Cooling-Only System with Line-Voltage Control Circuit (Schematic)
Cooling-Only System with Line-Voltage Control Circuit (Ladder)
Cooling-Only System with Low-Voltage Control Circuit (Schematic)
Cooling-Only System with Low-Voltage Control Circuit (Ladder)
Heating-Cooling System with Low-Voltage Control Circuit
Multistage Heating-Cooling System with Low-Voltage Control Circuit
Other Controls and Safeties Added to the Circuits
Troubleshooting Vapor-Compression Refrigeration System Electrical Components
Control-Circuit Problems
Power-Circuit Problems
Servicing Vapor-Compression Refrigeration Systems
Troubleshooting Steps
System Overcharge
System Undercharge
Blown Line-Voltage Fuse
Defective Transformer
Defective Contactor Holding Coil
Burned Motor Winding
Grounded Compressor
Vapor-Compression Heat-Pump Components and Accessories
Common Heat-Pump-System Configurations
Four-Way Reversing Valves
Check Valves
Bidirectional Thermostatic Expansion Valves
Bidirectional Filter Driers
Suction-Line Accumulators
Heat-Pump-System Defrost Methods
Auxiliary Electric Heat Strips
Heat-Pump Thermostats
Troubleshooting Vapor-Compression Heat-Pump Systems
Defective Check Valve
What Can Be Done with a Malfunctioning Check Valve?
Malfunctioning Four-Way Reversing Valves
Leaking Reversing Valves
Removing Defective Four-Way Reversing Valves from the System
Replacing Four-Way Reversing Valves
Bidirectional Filter Driers
Troubleshooting Bidirectional Thermostatic Expansion Valves
The Thermal Bulb on the Bidirectional Thermostatic Expansion Valve
Wiring Diagrams: Vapor-Compression Heat-Pump Systems
Individual Component Operation
Heat-Pump Thermostats
Modes of Operation
Troubleshooting Basic Vapor-Compression Heat-Pump Control Circuits and Components
Heat-Pump Thermostats
Digital and Analog Thermostats (without Ribbon-Wire or Molded Plastic Connections)
Defective Wiring between the Indoor Unit, the Outdoor Unit, and the Thermostat
Mechanical Defrost Timers
Solid-State Defrost Circuit Boards
Electric-Strip Heater Circuits
Defective Holdback Thermostat
Servicing Vapor-Compression Heat-Pump Controls and Control Circuits
Defective Thermostat
Defective Interconnecting Wiring between the Indoor and Outdoor Units
Improper Holdback Thermostat Setting
Defective Reversing-Valve Solenoid Coil
Defective Reversing-Valve Solenoid Coil
Defective Electric-Strip Heater
Defective Sail Switch
Vapor-Compression Heat-Pump Refrigeration Circuits
Air-to-Air Heat-Pump Refrigeration Circuits
Liquid-to-Air Heat-Pump Refrigeration and Water Circuits
Air-to-Liquid Heat-Pump Refrigeration Circuits
Liquid-to-Liquid Heat-Pump Refrigeration Circuits
Geothermal Heat Pumps
Closed-Loop Systems
Open-Loop Systems
Troubleshooting Geothermal Heat Pumps
Water Circuit Problems
Airflow Problems
Servicing Geothermal Heat Pumps
Inadequate Cooling
Inadequate Heating
Inadequate Heating
Inadequate Cooling
Possible Blower Problem
Air-to-Air Heat-Pump-System Installation
Selecting the Proper Location for the Outdoor Unit
Selecting the Proper Location for the Indoor Unit
Installing Duct Systems
Condensate Removal
Running Refrigerant Lines
Installing Low-voltage Control Wiring
Leak-Checking a System Prior to Start-Up
System Evacuation
System Holding Charges
Pre-Start-Up Checklist
System Start-Up
Putting It Together
System Preventive Maintenance
Indoor Unit Airflow
Other Indoor Unit Factors
The Outdoor Unit
Putting It Together
Heat-Pump-System Service Calls
Ice Buildup
No Heat
Higher Bills and Less Heat
Emergency Heat
Inadequate Heat
System Shutdowns
Nonfunctional Unit
Outdoor Fan Motor Not Operating
Ice Buildup on the Coil
Burning Smell
Inadequate Cooling
You Be the Technician
You Be the Technician
You Be the Technician
You Be the Technician
You Be the Technician
Glossary
Index
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