Quote:
Originally Posted by oil pan 4
I am going to use a 240v split unit. I don't not believe SquareD QO has 2 pole GFI breakers.
The bedroom is around 300 to 400 square feet.
It can get to around 0'F and the wind blows hard in winter so that is one reason I am over sizing it a little.
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Square D QO Qwik-Gard 20 Amp 2-Pole GFCI Breaker-QO220GFICP - The Home Depot
Not cheap .
Most / all HVAC equipment has a listing for Minimum Circuit Ampasity & Max Over Current ( fuse or circuit breaker )_size on the label .
We wire according to the mac CB size .
An inverter drive Mini Split should never show a high start current surge .
God bless
Wyr