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HVACR 201
ISBN 13: 9781418066642
ISBN 10: 1418066648
Author: John E. Hohman; Joseph Moravek
Pages: 464
Published: 06/17/2009
Price: $96.95 Add to cart
Description
The second installment in a series of useful and resourceful guides, HVACR 201, continues to build upon the basics of the HVACR trade. The result of a joint effort by industry leading Air Conditioning Contractors of America (ACCA), PHCC Educational Foundation Plumbing Apprentice & Journeyman Training Committee (PHCC Educational Foundation), and the Refrigeration Service Engineers Society (RSES), the book begins with simpler HVACR concepts and progresses into increasingly complex theories and skills. Starting with coverage of all of the important components of a system, the book advances to deal with topics in electrical ,heating, motors , and cooling- then moving to troubleshooting and installation procedures. Theoretical knowledge is presented alongside practical, industry-relevant examples, allowing both entry-level technicians and 2nd year apprentices to easily learn and apply key HVACR concepts.
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Check out our app, DEWALT® Mobile Pro™. This free app is a construction calculator with integrated reference materials and access to hundreds of additional calculations as add-ons. To learn more, visit dewalt.com/mobilepro.
Benefits
- industry-specific language is used in a clear, straightforward writing style, ensuring readers gain information that is readily applicable to the world of their trade
- detailed pictures, graphs, and tables clarify and illustrate important systems and processes
- field examples and real-world scenarios encourage readers to think critically, preparing them for work in the field
- reflects a curriculum developed by a subject matter committee sponsored by the organizations
- based on the need for the industry to have technicians who know both theory and practice
- special section on maintenance and inspection

Table of Contents
1)Year 2, First Semester
a)Chapter One: Review of Refrigeration Cycle
i)Basic refrigeration cycle
ii)Saturation, superheat and subcooling
iii)Compressors
iv)Metering devices
v)evaporators
b)Chapter Two: Compressors
i)Reciprocating
ii)Scroll 2 stage
iii)Hermetic and semi-hermitic
iv)Rotary types, how they work, applications
c)Chapter Three: Refrigerants and Lubricants
(1)Applications and required lubricants
(2)CFCs, HCFCs, chemical strength
(3)Safety and handling
(4)EPA certification
(5)Recovery and recycle
d)Chapter Four: Refrigerant Handling Certification
e)Chapter Five: Condensers
(1)Air cooled
(2)Water cooled
(3)Evaporative
f)Chapter Six: Metering Devices
i)Capillary tubes
ii)Fixed orifice/plate
iii)Thermostatic expansion valves (TXV)
iv)Electronic expansion valves (EXV)
g)Chapter Seven: Accessories
i)Receivers
ii)Accumulators
iii)Service valves/access ports
iv)Suction/liquid line heat exchangers
v)Low ambient controls
vi)Reversing valves (defrost, heat pump)
vii)Relief valves
viii)High/low pressure control
ix)Vibration eliminators
x)Crankcase heater
h)Chapter Eight: Evaporators
i) Types (plate, fin) and applications
ii) Latent and sensible heat removal
iii) Superheat
iv) Direct expansion and flooded
v) Pressure drop
vi) Moisture removal
vii) Defrost applications
i)Chapter Nine: Evacuation and Charging
i)Leak testing methods
ii)Troubleshooting
iii)Recovery
iv)Vacuum pumps
v)Dehydration
vi)Safety
j)Chapter Ten: Heating
i)Types of heating appliances
ii)Components, burners and valves
iii)Boilers: water and stream
iv)Sequence of operation
v)Pumps
vi)Venting
vii)Gas pipe capacity
viii)Ignition devices
ix)Combustion process and testing
x)Code and safety
xi)Carbon monoxide
xii)Electric and strip
xiii)Radiant
xiv)Venting
xv)Combustion and secondary air
xvi)Gas manifolds
xvii)Temperature controls
xviii)Safety and Limit controls
xix)Sequence of operation
k)Chapter Eleven: Electrical
i)Ohms law review and application
ii)Transformers, voltage, line vs load
iii)Types of wire and wire sizes
iv)Circuits and schematics
v)Relays
vi)Capacitors
vii)XFMR
viii)Logic
ix)Sources: single and 3 phase
x)Switches and loads
xi)Contactors
xii)Troubleshooting/testing
xiii)Starters
xiv)Overload protectors/overcurrent protection (fuses & circuit breakers)
xv) Overcurrent/fuses
xvi)Grounding
xvii)Breakers
xviii)OCPDs
xix)Bonding
xx) Sizing
xxi)Disconnects and wire sizing
l)Chapter Twelve: Electrical Troubleshooting
i)Symptoms, possible causes and a...
a)Chapter One: Review of Refrigeration Cycle
i)Basic refrigeration cycle
ii)Saturation, superheat and subcooling
iii)Compressors
iv)Metering devices
v)evaporators
b)Chapter Two: Compressors
i)Reciprocating
ii)Scroll 2 stage
iii)Hermetic and semi-hermitic
iv)Rotary types, how they work, applications
c)Chapter Three: Refrigerants and Lubricants
(1)Applications and required lubricants
(2)CFCs, HCFCs, chemical strength
(3)Safety and handling
(4)EPA certification
(5)Recovery and recycle
d)Chapter Four: Refrigerant Handling Certification
e)Chapter Five: Condensers
(1)Air cooled
(2)Water cooled
(3)Evaporative
f)Chapter Six: Metering Devices
i)Capillary tubes
ii)Fixed orifice/plate
iii)Thermostatic expansion valves (TXV)
iv)Electronic expansion valves (EXV)
g)Chapter Seven: Accessories
i)Receivers
ii)Accumulators
iii)Service valves/access ports
iv)Suction/liquid line heat exchangers
v)Low ambient controls
vi)Reversing valves (defrost, heat pump)
vii)Relief valves
viii)High/low pressure control
ix)Vibration eliminators
x)Crankcase heater
h)Chapter Eight: Evaporators
i) Types (plate, fin) and applications
ii) Latent and sensible heat removal
iii) Superheat
iv) Direct expansion and flooded
v) Pressure drop
vi) Moisture removal
vii) Defrost applications
i)Chapter Nine: Evacuation and Charging
i)Leak testing methods
ii)Troubleshooting
iii)Recovery
iv)Vacuum pumps
v)Dehydration
vi)Safety
j)Chapter Ten: Heating
i)Types of heating appliances
ii)Components, burners and valves
iii)Boilers: water and stream
iv)Sequence of operation
v)Pumps
vi)Venting
vii)Gas pipe capacity
viii)Ignition devices
ix)Combustion process and testing
x)Code and safety
xi)Carbon monoxide
xii)Electric and strip
xiii)Radiant
xiv)Venting
xv)Combustion and secondary air
xvi)Gas manifolds
xvii)Temperature controls
xviii)Safety and Limit controls
xix)Sequence of operation
k)Chapter Eleven: Electrical
i)Ohms law review and application
ii)Transformers, voltage, line vs load
iii)Types of wire and wire sizes
iv)Circuits and schematics
v)Relays
vi)Capacitors
vii)XFMR
viii)Logic
ix)Sources: single and 3 phase
x)Switches and loads
xi)Contactors
xii)Troubleshooting/testing
xiii)Starters
xiv)Overload protectors/overcurrent protection (fuses & circuit breakers)
xv) Overcurrent/fuses
xvi)Grounding
xvii)Breakers
xviii)OCPDs
xix)Bonding
xx) Sizing
xxi)Disconnects and wire sizing
l)Chapter Twelve: Electrical Troubleshooting
i)Symptoms, possible causes and a...