Скачать или смотреть How to Read HVAC Wiring Diagrams and Schematics

🎬 Welcome back to the channel!
In this video, we break down HVAC wiring step-by-step — from pictorial and ladder diagrams to live circuits, pressure switches, and contactor troubleshooting. 🧠💡
Mario and Peach even jump in to help you visualize how electrical paths flow through an HVAC system — making it fun, simple, and easy to follow! 🍄⚡


🧠 Video Chapters: HVAC Wiring Made Simple!

🎓 Learning the Basics
00:30 – 📘 Pictorial and Ladder Diagrams
00:50 – 🍄 Mario and Peach are here to help you!
01:00 – ⚙️ The Concept of a Bridge (Open & Close Contact)
03:24 – 🔍 Continuity on an Open or Close Contact
05:12 – 🌡️ Thermostat, a Temperature Switch

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💨 Switches & Circuits
15:30 – 🔺 High and Low Pressure Switches
21:42 – 💡 How Does a Circuit Work?
29:50 – 🔴🔵 Hot and Common (Bloods vs Crips Example)
32:30 – ⚡ Live Circuit from the Whiteboard Example
39:20 – ⚙️ Contactor Explained

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📊 Understanding the Diagram
46:07 – 📈 Ladder Diagram Separates High & Low Voltage Circuits
52:37 – 🧵 Tracing Low Voltage Wires
55:40 – 🧲 My Whole Unit is Common
58:10 – 🔥 Hot Can't Touch Unit (Demo)

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🎮 Mario & Luigi’s Circuit Adventure
1:01:00 – 🏎️ Mario Takes a Shortcut!
1:04:00 – 🛣️ Mario Takes a Different Path!
1:06:35 – ✅ Mario Takes the Correct Path
1:12:15 – 🌀 Luigi’s Route is the orange path, the O wire (Reversing Valve)
1:13:40 – ⚡ Mario’s Route is the yellow wire, the Y wire (Contactor Coil)
1:20:00 – 🔀 Following Mario’s Y Wire & Luigi’s O Wire Path on the Unit

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🧰 Troubleshooting & Recap
1:30:00 – 🧪 Mario Going Through Pressure Switches
1:36:35 – 📏 Easy Way to Check Pressure Switches are Closed (Using a Meter)
1:37:30 – 🧠 Troubleshooting a Live Contactor Coil Circuit
1:39:42 – 🔌 Pictorial Connection Diagram
1:46:13 – 🔁 Recap – Review What You Learned


If you want to follow the schematics from your device, go to the link below to pages 15 and 16.

https://www.shareddocs.com/hvac/docs/...


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