Why Two ACs Don’t Mean Double Surge (Most Installers Get This Wrong)
Here’s a scenario I see all the time in the field: Next thing you know: And the kicker?Even with a “correct” surge calculation, the inverter may still trip — because installers misunderstand how surge actually works. Let me explain what I’ve learned from real installations. Step 1: Surge Happens Instantaneously, Not Cumulatively When ACs start,…