Thermostat Wiring to a Furnace and AC Unit! Color Code, How it Works, Diagram! HD

My Paperback and E-Book: https://www.acservicetech.com/the-book In this HVAC Installation Training Video, I show How to Wire the Low Voltage Thermostat Wires into a Furnace and AC Unit. I Explain what each of the Letter Terminals are for, the Voltage Path, How it Works, and also the Normal Color Code Used. I discuss how to Wire the Contactor and what the difference is between the Rc and the R Terminals. Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety. My Paperback and E-Book: https://www.acservicetech.com/the-book My Paperback: https://www.amazon.com/shop/acservicetech Support the Channel: https://www.patreon.com/acservicetech Tool List: https://www.amazon.com/shop/acservicetech Condensate Safety Switch Wiring Video: https://youtu.be/2Zl3MPiLwRo Top 12 Problems When Wiring a Thermostat: https://youtu.be/pFF1Cj2VnDQ 10 Most Common Thermostat Wiring Diagrams: https://youtu.be/h24-n9kyw0w Dual Fuel Thermostat Wiring: https://youtu.be/HhhesjH9BWI Furnace & AC Thermostat Wiring: https://youtu.be/5lxftJiTqLg Bypass the Tstat for Testing: https://youtu.be/J9bxLpJpRNE Heat Pump Thermostat Wiring: https://youtu.be/tf2OxCDwlFY Here are some of the Tools I use: Yellow Jacket Refrigerant Gauge Set http://amzn.to/2aenwTq Refrigerant hoses with valves http://amzn.to/2aBumVI Yellow Jacket Gauge set & hoses https://amzn.to/2vLVkV9 Yellow Jacket 4 Port Manifold w Hoses https://amzn.to/2BkuGIq FieldpieceSMAN360 Digital Manifold Set https://amzn.to/2BdoaD4 FieldpieceSMAN460 Digital Manifold Set https://amzn.to/2nB4Fe6 Compact Ball Valve for Refrigerant Hose https://amzn.to/2KUisW8 QuickDisconnect 90 for refrigerant hose https://amzn.to/2MMtVcg UEI DL479 Multimeter with temp sensor http://amzn.to/2jtsUbJ JB 6 CFM Vacuum Pump http://amzn.to/2nqbvo8 Appion Blue 3/8" to 1/4" Vacuum Hose http://amzn.to/2uYlVyc Appion Red 3/8" to 1/4" Vacuum Hose http://amzn.to/2uYg6Ro Appion Valve Core Removal Tool http://amzn.to/2uYr8WL Yellow Jacket 1/4" by 1/4" hose http://amzn.to/2umtcod CPS Vacuum Micron Gauge http://amzn.to/2v1nM3O Supco Vacuum Micron Gauge http://amzn.to/2v1JRiA RectorSeal Bubble Gas Leak Detector http://amzn.to/2ckWACn UEI DL389 Multimeter http://amzn.to/2xAdaJf Fieldpiece ST4 Dual Temp Meter http://amzn.to/2wc1ME3 Air Acetylene Torch setup http://amzn.to/2aQalsb 15% Silver Brazing Rods http://amzn.to/2gVLyLc Nitrogen Regulator http://amzn.to/2bXdR5f Nitrogen Flow Meter http://amzn.to/2brvoBg Digital Refrigerant Scale http://amzn.to/2b9oXYl Accutrak VPE Ultrasonic Leak Detector https://amzn.to/2nFYKVe Imperial Kwik Charge 535-C http://amzn.to/2uipEI6 FieldpieceSDMN6 Dual Manometer Pump http://amzn.to/2jyK5Ka Supco Magnet Jumpers http://amzn.to/2gS4h6z 2 pairs of alligator clips- http://amzn.to/2CtIL5z JB Vacuum Pump Oil http://amzn.to/2mGrlXy General Tools digital Psychrometer http://amzn.to/2cSHsi1 Fieldpiece SDP2 Digital Psychrometer http://amzn.t