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Preparation before wiring：
Connect the protective ground wire (PE)
Connect the inverter to the grounding bar through the protective earth (PE) to achieve
grounding protection.
Ø Good grounding is good for resisting surge voltage impact
and improving EMI performance.Therefore,you need to ground
the wire before connecting the AC,DC,and communication
cables.
Ø For a single-machine system,only the PE cable needs to be
grounded;For a multi-machine system,the PE cables of all
inverters need to be connected to the same grounding copper
bar to ensure equipotential connection.
Ø Disconnect the inverter DC switch,AC side circuit breaker or switch.
Ø Measure the voltage and frequency of the public grid (voltage:AC 230V;
frequency:50Hz)
Ø
The recommended specifications of the AC output switch are as follows:
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Fig 6.1 Grounding diagram
AC connection steps (For MOD 3-6K use only):
1.Pass the 5 wires (A,B,C,N and PE wires) through the AC shield,crimp the O/U terminal
and connect to the screw terminals on the AC connector.
2. Lock the AC cable to the corresponding AC terminal.
3.Lock the protective cover on the inverter frame, and finally tighten the protective cover
hole.
Fig 6.4 AC quick connection diagram
Fig 6.3 Wiring diagram of AC terminal
Fig 6.2 AC output wiring diagram
a
b
c
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