6 inverters in parallel:
Power Connection
Communication Connection
3.10.4
Parallel 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.
NOET: It's necessary to turn off switch when setting LCD program. Otherwise, the setting cannot be programmed.
Step 3: Turn on each unit.
LCD display in Master unit
NOTE: Master and slave units are randomly defined.
Step 4: Switch on all AC breakers of Line wires in AC input. It's better to have all inverters connect to utility at the same time. If
not, it will display warning 15.
LCD display in Master unit
Step 5: If there is no more fault alarm, the parallel system is completely installed.
Step 6: Please switch on all breakers of Line wires in load side. This system will start to provide power to the load.
LCD display in Slave unit
LCD display in Slave unit
16
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