[RE-wrenches] Converting from transformer to transformerless

[William Miller]

Friends:

I researched this and got no clear answer:

If I were to replace an old Sunny Boy transformer inverter with a modern
transformerless inverter, what are the implications?

I know I need PV rated or conduited feeders.

Is PID an issue?

Should I disable arc fault as a legacy entitlement or is arc fault even
more important with older PV?

Thanks in advance.

William Miller
Miller Solar.com
805-438-5600
www.millersolar.com
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