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HVACR 401. Heat pumps

Author: John Hohman; Air Conditioning Contractors of America.; PHCC Educational Foundation.; Refrigeration Service Engineers Society.
Publisher: Australia : Delmar Cengage Learning, 2012. ©2012
Edition/Format:   eBook : Document : EnglishView all editions and formats
Summary:

Emphasises on the service technician perspective to the HVACR industry (ACCA, PHCC, and RSES). This book begins with a review of the refrigeration cycle in comfort conditioning, and gradually  Read more...

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Genre/Form: Electronic books
Additional Physical Format: Print version:
Hohman, John.
HVACR 401. Heat pumps.
Australia : Delmar Cengage Learning, ©2012
xix, 358 pages
Material Type: Document, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: John Hohman; Air Conditioning Contractors of America.; PHCC Educational Foundation.; Refrigeration Service Engineers Society.
ISBN: 9781305089242 1305089243
OCLC Number: 903962470
Notes: Includes index.
Description: 1 online resource (379 pages) : illustrations, photographs
Contents: ""Cover""; ""Contents""; ""Preface""; ""Acknowledgments""; ""ACCA�PHCC Educational Foundation�RSES Subject Matter Experts""; ""About the Author""; ""Chapter 1 The One-Way Heat Pump: A Review of the Comfort Conditioning Refrigeration Cycle""; ""Introduction""; ""The Basic Refrigeration Cycle""; ""Component Function""; ""Compressor""; ""Condenser""; ""Metering Device""; ""Evaporator""; ""Superheat, Subcooling, and Saturation""; ""Saturation""; ""Superheat""; ""Subcooling""; ""Chapter 2 Reversing the Cycle""; ""Introduction""; ""The Changing Functions of Heat Exchangers"" ""The Changing Function and Direction of Flow of Vapor and Liquid Lines""""Pulling Heat from Cold Outside Air""; ""Chapter 3 The Outdoor Coil: Absorbing Heat""; ""Introduction""; ""The Sun, Heat, and Absolute Zero""; ""The Defrost Cycle and Supplemental Heat""; ""Operating Temperatures and Pressures""; ""The Indoor Coil in Cooling Mode""; ""Chapter 4 The Indoor Coil: Rejecting Heat""; ""Introduction""; ""Hot Vapor""; ""Desuperheating""; ""Saturation""; ""Subcooling""; ""Heat Pump Performance""; ""Outdoor Coil as a Heat Rejector (Cooling Mode)""; ""Chapter 5 The Heat Pump Thermostat"" ""Introduction""""Single-Stage Thermostats""; ""Multistage Thermostats""; ""Thermostat Wiring""; ""Single-Stage Wiring""; ""Multistage Wiring""; ""Electronic Thermostats""; ""Programmable Thermostats""; ""Nonprogrammable Thermostats""; ""Touchscreen Thermostats""; ""Night Set-Back Considerations""; ""Dehumidification Options""; ""Chapter 6 Heat Pump Components""; ""Introduction""; ""Reversing Valve""; ""Metering Devices""; ""Liquid-Line Filter Driers""; ""Accumulator""; ""Chapter 7 Motors""; ""Introduction""; ""Motor Review""; ""Types of Motors""; ""Motor-Starting Devices"" ""Fan and Blower Motors""""Multispeed Motors""; ""Run Capacitors""; ""Multi-Tap Capacitors""; ""Motor Windings""; ""Winding Identification""; ""Electrically Checking Windings""; ""Electronically Commutated Motors""; ""Chapter 8 Compressors""; ""Introduction""; ""Reciprocating Compressors""; ""Rotary Compressors""; ""Scroll Compressors""; ""Staging""; ""Unloading""; ""Variable-Speed/Multispeed Compressors""; ""Two-Speed Compressors""; ""Variable-Speed Compressors""; ""Efficiency""; ""Compressor Dos and Don�ts""; ""Dos""; ""Don�ts""; ""Efficiency Checks""; ""Chapter 9 Specific Defrost"" ""Introduction""""Defrost Sequence""; ""Defrost Initiation""; ""Time""; ""Temperature""; ""Pressure""; ""Demand""; ""Termination""; ""Chapter 10 Electrical Schematics""; ""Introduction""; ""The Electrical/Mechanical Sequence""; ""Manufacturer�s Electrical Information Sheet""; ""Line-Voltage System""; ""Low Voltage Control System""; ""Compressor and Starting System""; ""Crankcase Heater Operation""; ""Arc Flash""; ""Four Modes of an ASHP""; ""Heating Mode""; ""Defrost Cycle""; ""Cooling Mode""; ""Emergency Heat Mode""; ""Chapter 11 ASHP Installation""; ""Introduction""
Responsibility: John Hohman ; Air Conditioning Contractors of America, PHCC Educational Foundation, Refrigeration Service Engineers Society.

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1. Review of the Refrigeration Cycle in Comfort Conditioning (The One Way Heat Pump). 2. Reversing the Cycle. 3.The Outdoor Unit as the Heat Absorber. 4. The Indoor Unit as a Heat Rejector. 5. The Read more...

 
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