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5.2 Connection to the Public Grid (AC)
5.2.1 Conditions for Connection
CAUTION!
Unit Disconnection From Load
Disconnect the circuit breakers and switches of inverters AC and DC sides.
5.2.2 Connection to Public Grid (AC)
Measure the grid voltage to make sure within the permissible range. Disconnect the circuit breaker between
the inverter and the grid.
1
．
Disconnect the DC and AC breaker, DC switch in
the"OFF"state.
3
．
Open the WiFi protection cover and plug in the
WiFi.
2
．
Assembly yellow-green Ground wire RV5.5-6
terminal, and connect to one ground terminal.
4
．
Prepare AC cable
（Φ
4mm2 or bigger
）
, stripping
length is 14
±
0.5mm. Connect the cable with
terminals.
5
．
Run the cable harness with the pressed terminals
through the junction box and insert the black cable
harness, L1, L2 and L3 into the caps of N, W, V and U
as shown in the system connection diagram. Tighten
the screws.
