Columbia: HVACR

HVR 105 - Thermodynamics

• HVAC First Law of Thermodynamics: https://www.youtube.com/watch?v=AatqCPQr9c4
• Basic Thermodynamics for Refrigeration and Air Conditioning Part 1: https://www.achrnews.com/articles/115163-basic-thermodynamics-for-refrigeration-and-air-conditioning-part-1
• Basic Thermodynamics for Refrigeration and Air Conditioning Part 2: https://www.achrnews.com/articles/114989-basic-thermodynamics-for-refrigeration-and-air-conditioning-part-2
• HVAC Safety Fundamentals: http://www.hvacls.com/selfstudies/SS101_Safety_Fundamentals_v2.pdf 

HVR 110 - Practical Applications of Electricity

• Electrical Fundamentals: http://www.hvacls.com/selfstudies/SS103_Electrical_Fundamentals_v2.pdf 
• Introduction to Electricity: https://www.nde-ed.org/Physics/Electricity/electricityintro.xhtml
• Electrical Safety - Construction: http://www.mwua.org/wp-content/uploads/2010/09/electrical_c.pdf 
• Digital Multimeter Fundamentals: http://en-us.fluke.com/training/training-library/test-tools/digital-multimeters/digital-multimeter-fundamentals.html

HVR 115 - HVACR Controls

• HVAC Control Principles: https://buildingretuning.pnnl.gov/training/ddc_control_fundamentals/ddc_controls_part_1_pnwd-sa-8834.pdf 
• HVAC Controls Introduction: https://www.discountpdh.com/wp-content/themes/discountpdh/pdf-course/hvac-controls-introduction.pdf 
• Ladder Basics: https://hybridplc.org/wp-content/uploads/chap2_S.pdf 
• How to Read Wiring Diagrams in HVAC Systems: https://mepacademy.com/how-to-read-wiring-diagrams-in-hvac-systems/

HVR 120 - Controls, Motors and Motor Controls

• Electric Motors & Generators: http://www.animations.physics.unsw.edu.au/jw/electricmotors.html
• Basic Training - Electric Motors, Gear Reducers, Gearmotors, & AC & DC Drives: http://www.leeson.com/Literature/LEESONBasicTrainingManual2012.pdf 
• How to Troubleshoot Motors and Drives - Starting at the Inputs: http://www.fluke.com/fluke/sgen/community/fluke-news-plus/articlecategories/motorsdrives/how-to-troubleshoot-motors-and-drives
• AC Motor Troubleshooting Guide: https://www.groschopp.com/resources/troubleshooting-guide/

HVR 125 - Refrigerants

• Refrigeration Fundamentals: https://hvac-talk.com/vbb/attachment.php?attachmentid=795011&d=1497525956  
• Refrigeration 101: https://www.epa.gov/sites/default/files/documents/Refrigeration_101.pdf 
• Pressure/Enthalpy Diagram: https://www.engproguides.com/pressure-enthalpy-diagram.html
• Deep Vacuum Principles and Application (Refrigerant Evacuation): https://www.jbind.com/wp-content/uploads/2022/04/Deep-Vacuum-principles-and-application.pdf 

HVR 130 - Residential Air Conditioning

• Cooling Fundamentals: http://www.hvacls.com/selfstudies/SS102_Cooling_Fundamentals_v2.pdf 
• Troubleshooting The Compressor And Diagnosing Mechanical Problems: https://www.achrnews.com/articles/91120-troubleshooting-the-compressor-and-diagnosing-mechanical-problems
• Wet Bulb or Dry Bulb Sensible vs. Latent Heat: http://www.tlj-eng.com/news/79-wet-bulb-or-dry-bulb-sensible-vs-latent-heat-how-do-you-make-sense-of-if-all.html
• Duct Fabrication Specifications & Duct Construction: http://www.suburbansheetmetal.com/_documents/Suburban%20Sheet%20Metal%20Ltd%20SPECS.pdf 

HVR 140 - Commercial Refrigeration Concepts

• Commercial Refrigeration Equipment Servicing (There is no part 2 at this time): http://techtrainassoc.com/wp-content/uploads/2011/05/Commercial-Refrig-Equip-Servicing-Part-One.pdf 
• Servicing Ice Machine Refrigeration Components: https://www.achrnews.com/articles/95538-servicing-ice-machine-refrigeration-components
• Introduction to Ammonia Refrigeration Systems: http://ashraemadison.org/images/Introduction_to_ammonia_refrigeration_for_Madison_Chapter__10-12-15_.pdf 
• Parallel Compression Refrigeration: https://www.kysorwarren.com/sites/www.kysorwarren.com/files/document/KW-IOM-HFC.pdf 

HVR 141 - Industrial Refrigeration and Commercial Air Conditioning

• Cooling Tower Fundamentals: http://spxcooling.com/pdf/Cooling-Tower-Fundamentals.pdf 
• Chiller Troubleshooting: https://www.polyscience.com/system/files/product-pdfs/How%2520to%2520Troubleshoot%2520Chiller%2520Problems.pdf 
• Commercial and Industrial Refrigeration Systems Troubleshooting Guide: https://techtrainassoc.com/download/7327
• How a Variable Air Volume System Works: https://mepacademy.com/how-a-variable-air-volume-vav-system-works/

HVR 150 - Electric Heat and Heat Pumps

• Heating Fundamentals: http://www.hvacls.com/selfstudies/SS104_Heating_Fundamentals_v2.pdf 
• Heating & Cooling With a Heat Pump: https://www.nrcan.gc.ca/energy-efficiency/energy-star-canada/about/energy-star-announcements/publications/heating-and-cooling-heat-pump/6817 
• Geothermal Heating & Cooling: https://burkholders-hvac.com/wp-content/uploads/Homeowners-Guide-to-Geothermal-Heating-and-Cooling-Systems.pdf 
• Heat Pumps: https://www.renewableenergyhub.us/heat-pumps-information/ 

HVR 155 - Gas Heating Systems

• Electric Furnace Troubleshooting Tips: https://www.cotesmechanical.com/heaters/electric-furnace-troubleshooting-tips/
• Basics and Finer Points of Troubleshooting Gas Furnaces: https://www.achrnews.com/articles/98072-basics-and-finer-points-of-troubleshooting-gas-furnaces
• Visual Guide to a High-Efficiency Condensing Furnace: https://www.thespruce.com/high-efficiency-condensing-furnace-1824740

• Gas Furnace Failure - Which Components Fail And Why: https://www.alsplumbing.com/gas-furnace-failure/

HVR 161 - Regional Systems

• Causes, Cures For Common Oil Furnace Problems: https://www.achrnews.com/articles/89402-causes-cures-for-common-oil-furnace-problems
• Mini-Splits for New HVAC Technicians: https://hvacrschool.com/mini-splits-for-new-hvac-techs/
• Sheet Metal Field Installation 101: https://mepacademy.com/sheet-metal-field-installation-101/
• How to Troubleshoot a Zone System: https://www.youtube.com/watch?v=0fUlCr2AmtM

HVR 165 - HVAC System Performance

• Indoor Air Quality Fundamentals: http://www.hvacls.com/selfstudies/SS106_IAQ_Fundamentals_v2.pdf 
• Air Distribution: http://www.hvacls.com/selfstudies/SS105_Air_Distribution_v2.pdf 
• HVAC Assessment Handbook: https://www.tsi.com/getmedia/016c6e8c-e8d0-4c87-a057-ecad2743d9e9/2980245C-HVAC-Handbook-2013-web 
• Blueprint Reading and Sketching: https://maritime.org/doc/pdf/blueprint.pdf 

HVR 170 - Water-Based Heating Systems

• Radiant Heating Systems - Floors: https://www.e-education.psu.edu/egee102/node/2111
• Hydronic Heating Systems Overview: https://icc.coop/maintenance/info/howto/tutorials/HydronicHeatingSystems.pdf 
• Radiant Floor Design & Installation Manual: https://www.radiantcompany.com/wp-content/uploads/radiantcompanymanual.pdf 
• Checklist of Noiler Maintenance Tasks: http://cleaverbrooks.com/reference-center/resource-library/tip-sheets/2014-tip-sheets/pdf/Tip%20December14.pdf 

HVR 175 - HVAC Troubleshooting and Service Calls

• Workplace Professionalism: https://www.umkc.edu/starr/Workplace_Professionalism.pdf 
• Basic Leak Detection Methods: https://www.achrnews.com/articles/115414-the-professor-basic-leak-detection-methods
• HVAC Service Tips for New Technicians: http://www.achrnews.com/articles/103340-hvac-service-tips-for-new-technicians
• Commonly Reported HVAC Problems: https://www.hannabery.com/commonly-reported-hvac-problems.shtml

HVR 180 - EPA Certification Preparation

• How to Properly Dispose of Refrigeration and Air-Conditioning Equipment: https://www.epa.gov/sites/production/files/documents/ConstrAndDemo_EquipDisposal.pdf 
• EPA 608 Study Guide: https://info.tpctraining.com/acton/attachment/4937/f-ad6ce529-9635-4772-8aca-10ee888cf925/0/-/-/-/-/Study%20Guide%20EPA%20608.pdf 
• EPA 608 Certification Study Guide: http://www.hvactrainingsolutions.net/EPA.pdf 
• Refrigeration Classification, Properties, and Selection: https://dualtempclauger.com/wp-content/uploads/2020/04/DTC-Engineering-Bulletin-3.pdf 

SKW 101 - Introduction to the Skilled Professions

• HVAC Safety: https://www.rsi.edu/blog/hvacr/hvac-safety-101-staying-safe-in-training-and-on-the-job/
• EHS Electrical Safety: https://www.une.edu/sites/default/files/electrical_safety.pdf 
• Blueprint Reading: https://www.nrc.gov/docs/ML1109/ML110960191.pdf 
• Electrical Symbols & Line Diagrams: https://abe.ufl.edu/faculty/tburks/Presentations/ABE5152/Electrical%20Symbols%20and%20Line%20Diagrams.pdf