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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
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.
Parallel in three 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 all units and configure LCD program 23 as 3P1, 3P2 and 3P3 sequentially. 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 all units sequentially. Please turn on HOST inverter first, then turn on the rest one by one.
LCD display in L1-phase unit LCD display in L2-phase unit
LCD display in L3-phase
unit
Step 4: Switch on all AC breakers of Line wires in AC input. If AC connection is detected and three phases
are matched with unit setting, they will work normally. Otherwise, they will display warning 15/16 and will
not work in the line mode.
LCD display in L1-phase unit LCD display in L2-phase unit LCD display in L3-phase unit
Summary of Contents for MS6048D
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