User manual

10
84
AC input voltage and frequency detected different
85
AC output current unbalance
86
AC output mode setting is different
11. 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: Switch on DC breakers of each unit.
Step 3: Turn on each unit.
LCD display in Master unit
LCD display in Slave 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 fault 82 in following-order inverters.
However, these inverters will automatically restart. If detecting AC connection, they will
work normally.
LCD display in Master unit
LCD display in Slave 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.