System Diagnostics and Troubleshooting Procedures

by Tomczyk, John

• ISBN13: 9781930044159
• ISBN10: 1930044151
• Format: Spiral Bound
• Copyright: 2003-01-01
• Publisher: Esco Institute

About This Book

System Diagnostics and Troubleshooting Procedures

ISBN: 9781930044159

System Diagnostics and Troubleshooting Procedures is a comprehensive guide designed for individuals involved in the systematic diagnosis and troubleshooting of HVAC (heating, ventilation, and air conditioning) systems. This book is a go-to resource for technicians, instructors, and students in the field of HVAC maintenance and repair.

Who Uses It?

Primarily, this book is used by HVAC technicians, instructors, and students in vocational schools and technical colleges. It's also a valuable resource for professionals looking to refresh their knowledge or expand their understanding of HVAC system diagnostics and troubleshooting.

History and Editions

The book was first published in 2002 by the ESCO Institute. It has been a trusted resource in the HVAC industry for over two decades, providing detailed procedures for diagnosing and troubleshooting common issues in HVAC systems. The book's content has been updated to reflect the latest industry standards and best practices.

Author and Other Works

John Tomczyk is the author of System Diagnostics and Troubleshooting Procedures. John Tomczyk is known for his expertise in HVAC system diagnostics and his ability to explain complex concepts clearly and simply. While this book is his primary work in the field, it has become a standard reference for many professionals in the HVAC industry.

Key Features

• Comprehensive Coverage: The book covers core concepts in HVAC system diagnostics, including detailed explanations and examples of airflow problems, refrigerant cycle malfunctions, suction and liquid line restrictions, and oil issues.
• Practical Approach: The text is designed with a practical approach, making it easy to apply the knowledge in real-world scenarios.
• Detailed Procedures: The book includes step-by-step procedures for diagnosing and troubleshooting various HVAC system issues.
• Industry Standards: The content is aligned with industry standards, ensuring that it remains relevant and effective.

Detailed Information

ISBNs and Formats

• Spiral-bound: ISBN-13: 9781930044159
• Used Copies: Available through various sellers, including eCampus and SGS Trading Inc.
• New Copies: Available through eCampus and Revaluation Books.

Publication Details

• Publisher: ESCO Institute
• Publication Date: January 6, 2002
• Number of Pages: Varies depending on the edition (typically around 72 pages)
• Language: English

Other Editions and Formats

While there are no other editions or formats listed for this specific ISBN, the book remains a widely used resource in the HVAC industry. The following sellers offer various conditions of the book:

• eCampus: Offers both used and new copies with shipping starting at $3.99.
• SGS Trading Inc.: Offers used and new copies with shipping starting at $3.89.
• Revaluation Books: Offers a brand new paperback copy with shipping starting at $13.50.

Related ISBNs

Since this book is a specific title with a unique ISBN, there are no related ISBNs to list. However, if you are looking for similar resources, you might consider other textbooks on HVAC system diagnostics and troubleshooting.

This detailed information section provides a quick reference for all the available formats and sources for System Diagnostics and Troubleshooting Procedures, making it easier to find and access the book in the preferred format.

Table of Contents

Diagnosing Air Conditioning Systems
Air Flow	1	(2)
Refrigerant Cycle	3	(6)
Condensers	3	(1)
Liquid Line Restrictions	4	(1)
Suction Line Restrictions	4	(1)
Undercharge	5	(1)
Overcharge	5	(1)
Compressor Inefficiencies	5	(1)
Noncondensibles	6	(1)
Low Condenser Air Entering Temperature	6	(1)
High Condenser Air Entering Temperature	7	(1)
Capillary Tubes	7	(1)
TXVs	7	(2)
Systematic Troubleshooting
Service Checklist	9	(1)
Troubleshooting	9	(23)
Undercharge of Refrigerant	10	(2)
Compressor discharge	10	(1)
High evaporator superheat	11	(1)
High compressor superheat	11	(1)
Low condenser subcooling	11	(1)
Low compressor amps	11	(1)
Low evaporator pressure	11	(1)
Low condensing pressure/temperature	11	(1)
Overcharge of Refrigent	12	(1)
High discharge temperature	13	(1)
High condenser subcooling	13	(1)
High condensing pressures	13	(1)
Higher condenser splits	13	(1)
Normal to high evaporator pressures	13	(1)
Normal evaporator superheat	13	(1)
High compression ratios	13	(1)
Overcharged Capillary Tube Systems	13	(1)
Dirty Condenser or Restricted Air Flow Over Condenser	14	(1)
High discharge temperatures	14	(1)
High condensing pressures	14	(1)
High condenser splits	15	(1)
Normal to high condenser subcooling	15	(1)
Normal to high evaporator pressures	15	(1)
Normal superheat	15	(1)
High Compression Ratios	15	(1)
High amp draw	15	(1)
Restricted Liquid Line After the Receiver	15	(4)
Higher than normal discharge	16	(1)
High superheat	16	(1)
Low evaporator pressures	16	(1)
Low condensing pressures	16	(1)
Normal condenser subcooling	17	(1)
Low condenser splits	17	(1)
Local cold spot or frost after restriction	17	(1)
Bubbles in sightglass	17	(2)
Low amp draw	19	(1)
Short cycle the low pressure	19	(1)
Restricted Liquid Line Before the Receiver	19	(2)
High discharge temperature	19	(1)
High condensing (head) pressures	20	(1)
High condenser subcooling	20	(1)
High condenser splits	20	(1)
Low evaporator pressures	20	(1)
Low amp draw	20	(1)
Bubbling sightglass	20	(1)
Short cycling on the LPC	20	(1)
Air in the System	21	(1)
High discharge temperatures	21	(1)
High condensing (head) pressures	22	(1)
High condenser subcooling	22	(1)
High condenser split	22	(1)
High compression ratios	22	(1)
Normal to slightly high evaporator (suction) pressures	22	(1)
Normal superheat	22	(1)
High amp draws	22	(1)
Restricted Metering Device	22	(2)
High discharge temperatures	23	(1)
Low condensing (head) pressures	23	(1)
Lower condenser splits	24	(1)
Normal to slightly high condenser subcooling	24	(1)
Low evaporator pressure	24	(1)
High superheat	24	(1)
Low amp draw	24	(1)
Short cycling on the low pressure control (LPC)	24	(1)
Restricted Air Flow Over Evaporator	24	(2)
Low discharge temperatures	25	(1)
Low condensing (head) pressures	26	(1)
Low condenser splits	26	(1)
Low to normal evaporator (suction) pressures	26	(1)
Low superheat	26	(1)
Cold compressor crankcase	26	(1)
Oil-Logged Evaporator	26	(2)
Noisy compressor	27	(1)
TXV having a hard time controlling superheat (hunting)	27	(1)
Low evaporator and compressor superheat	28	(1)
Warmer than normal box temperatures with capacity losses	28	(1)
Inefficient Compressor from Bad Valves	28	(4)
Higher than normal discharge temperatures	28	(1)
Low condensing (head) pressures and temperatures	29	(1)
Normal to high condenser subcooling	29	(1)
Normal to high superheat	29	(1)
High evaporator (suction) pressures	29	(1)
Low amp draw	29	(2)
Leak Detection, Evacuation, and Clean-up Procedures	31	(1)
Basic Leak Detection	32	(4)
Testing for Evaporator Leaks	33	(1)
Testing for Condensing Section Leaks	34	(1)
Suction and Liquid Line Leak Test	35	(1)
Advanced Leak Detection	36	(3)
Testing for Pressure Dependent Leaks	37	(1)
Testing for Temperature Dependent Leaks	38	(1)
Testing for Vibration Dependent Leaks	38	(1)
Testing for Combination Dependent Leaks	39	(1)
Testing for Cumulative Microleaks	39	(1)
Modern Leak Detectors	39	(6)
Electronic Leak Detection	39	(1)
Corona discharge	39	(1)
Thermistor	40	(1)
Dielectric	40	(1)
Ion	40	(1)
Electronic Leak Detector Operation	40	(1)
Ultraviolet (UV) Fluorescent Leak Detection	41	(1)
Choosing a UV Lamp	42	(1)
Halide Torch Leak Detection	42	(2)
Refrigerant Dyes	44	(1)
Standing Pressure	44	(1)
Material Safety Data Sheet	45	(2)
Standing Vacuum	47	(1)
Ultrasonic Leak Detection	47	(1)
Leak Pinpointing And Area Monitoring	47	(4)
Sensitivity	48	(1)
Detection Limit	48	(1)
Selectivity	48	(2)
Nonselective detectors	49	(1)
Halogen-selective detectors	49	(1)
Compound-specific detectors	49	(1)
Fluorescent Dyes	50	(1)
Choosing an Area Monitor	50	(1)
System Evacuation Using the Deep Vacuum Method	51	(14)
Why Pull a Vacuum?	51	(3)
Deep Vacuums	54	(1)
Micron Gauges	55	(2)
Vacuum Pump	57	(8)
Single-stage vacuum pumps	57	(2)
Vacuum test manifold with two valves	59	(1)
Vacuum breaker valves	60	(1)
Pressure drop	60	(3)
Vacuum pump oil	63	(1)
Gas ballasts	63	(2)
System Burnout	65	(7)
System Clean-Up	66	(1)
Standard Suction Line Filters	67	(1)
Combination Acid and Moisture Test Kits	67	(5)
Notes	72