Four inverters in parallel:
Power Wire Connection
Communication Wire Connection
Five inverters in parallel:
Power Wire Connection
Communication Wire Connection
Six inverters in parallel:
Power Wire Connection
Communication Wire Connection
3.7.4 LCD Setting For Parallel Operation
Setting Program: Please refer to program 23
Commissioning
Parallel in single phase
Step 1: Check the following requirements before commissioning:
Correct wire connection
Ensure all breakers in Line wires of load side are open and each Neutral wires of each unit are connected
together.
Step 2: Turn on each unit and set “PAL” in LCD setting program 23 of each unit. And then shut down all
units.
Note: It’s necessary to turn off switch when setting LCD program. Otherwise, the setting can not be
programmed.
Step 3: Turn on each unit.