HVAC Low Voltage Control Wiring for Total Beginners
Fundamental principles and typical control wiring is covered from thermostats to control boards in most HVAC systems.
Typical Low Voltage Control Circuit Schematic: https://i.postimg.cc/dQhn9SS4/LOW-VOL...
Control Circuit With Relay: https://i.postimg.cc/mrZy1dH3/control...
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00:00 Misconceptions
00:29 What Are We Controlling?
01:14 Basic Control Circuit Concept
02:53 Where Control Power Comes From
04:47 The "R Circuit"
06:13 The "Y Circuit"
09:51 The "G Circuit"
10:42 The "W Circuit"
12:17 The Common Terminal