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
Step 5: If there is no more fault alarm, the system to support 3-phase equipment 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.
Note 1: If there’s only one inverter in L1-phase, the LCD will show as “HST”. If there is more than one inverter in
L1-phase, the LCD of the HOST inverter will show as “HST”, the rest of L1-phase inverters will show as “3P1”.
Note 2: To avoid overload occurring, before turning on breakers in load side, it’s better to have whole system in
operation first.
Note 3: Transfer time for this operation exists. Power interruption may happen to critical devices, which cannot bear
transfer time.
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