You better hope you don't get a power spike into your main control board!
Invest in protection for your 230vac source.. (Of course mine didn't work)..
I was just reading a couple of depressing reviews at HomeDepot..
One buyer couldn't get an installer.. The other buyer may have gotten a bad install..
Seems like most nothing is ever 'easy' in this life.
GREE Multi-21 Zone 18,000 BTU 1.5 Ton Ductless Mini Split Air Conditioner with Heat, Inverter, Remote - 208-230-Volt/60Hz-MULTI18HP200 - The Home Depot