Question about RTO American Heat Tankless Electric Water Heater
OK Black is the PHASE... In USA, So that may actaually go to the RED, goes to the Black.
The Green MUST be earth
So I guess that leaves RED as Neutral? Doesn't sound right, so I wonder if your wiring is right.
The breaker trips because there is a short circuit, OR the Phase is touching Earth.
It does sound logical though the way you have it wired, I would have thought that would have been correct...
Are you sure you don't actually have fault, within the unit?
You need to meter the Phase & Neutral, and see what's what. IF you DO have it OK, and I suspect you do, then there MUST be some other issue.
Posted on Aug 08, 2010
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Posted on Jan 02, 2017
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