GE+ ACDC Installation and operation manual v11
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4.4.3. External isolation transformer
In case of external isolation transformer, connect grid cables (R, S, T, N) to the primary of the
transformer, and secondary of the transformer (R’, S’, T’, N’) to the input terminals (X1), (X2),
(X3) and (X4) of Cinergia equipment. The connections in the transformer are the followings:
The following image is a simple schematic connection of the transformer between the grid and
the Cinergia equipment:
For further information, please go to chapter 3 (Installation and wiring
recommendations) of this manual or read the document Installation and wiring
recommendations located inside the USB stick delivered by Cinergia.
Please go to chapter 3 (Installation and wiring recommendations) of this manual to
read about the electrical protections to be connected.
The ground cable (PE) of the main grid must be connected to ground transformer
terminal (yellow-green) and ground Cinergia equipment terminal (X5) in all cases.
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