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Fig.4.5.2
Fig.4.5.3
6) Assemble the inverter in reverse order.
4. Turn on AC breaker, measure the real grid voltage (L1, L2, L3 to N) by multi-met er.
5. Check whether the grid voltage is complied with the local grid standards; check whether the grid
voltage is stable with multi-meter. If both not, please contact the local electricity company.
Note: There are two ways to measure phase voltage of grid:
If the AC terminal belongs to type 1 or type 2 as Fig.4.3.1 show, please measure the
corresponding phase voltage (R, S, T 3 phase) inside inverter as Fig.4.5.4.
CAUTION: Electric shock！！！ You must confirm that control board, COM board, metal panel and
reserved screws are all placed outside the inverter before switch on the AC breaker.
Neutral
Inside AC terminal
Live wires
Neutral
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