I agree that this sounds very odd and consider that it MIGHT be a mistake.
Having gone to the trouble and expense of fitting a transformer with a center tapped 110 volt secondary, it seems very odd not to wire it in the conventional way with the centre tap earthed.
The only extra expense would be for double pole MCBs to protect the 110 volt circuits.
The only extra expense would be for double pole MCBs to protect the 110 volt circuits.
Unless OCPDs on the primary can meet the requirements?
The only extra expense would be for double pole MCBs to protect the 110 volt circuits.
Unless OCPDs on the primary can meet the requirements?
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