How a Split AC System Works: From Breaker to Cool Air #engineering #electrical #viral #mechanic

Added: 2026-05-25

[00:00:00]Here's how your split AC works, step-by-step.

[00:00:04]Power comes from the main breaker and goes through the isolator switch. That's your on-off safety point.

[00:00:10]Wires then run to the outdoor unit, starting the compressor and fan that release heat outside.

[00:00:17]At the same time, cables connect to the indoor unit, running its fan and controls.

[00:00:22]Together, they move refrigerant in a loop to pull heat from your room and blow back cool, comfortable air.