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Figure 4.3-1Schematic diagram of PV connector connection
4.4 AC connection
For safe operation, AC circuit breaker shall be connected between inverter and
power grid, inverter output and load appliance. The recommended specification is
250V/30A. The inverter output is not directly connected to any electrical appliance or
power grid.
The BACK-UP terminal of multiple inverters can not be connected in parallel; the
BACK-UP end can not be connected to the power grid.
In order to ensure the safe and reliable operation of the system, it is
recommended to use the cable specifications as follows:
The specific steps of the AC connection are as follows:
（
1
）
Confirm the disconnection of the AC circuit breaker between the inverter and
the power grid and load;
