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8 System Commissioning
8.1 Checking before Power-on
a. Check if the device installed correctly and securely;
b. Make sure that all the DC breakers and AC breakers are OFF;
c. All DC, AC cables and communication cables are connected correctly and
securely;
d. The ground cable is connected correctly and securely;
e. Make sure the meter/CT is connected correctly and securely;
f. Make sure the battery is connected correctly and securely;
g. Make sure all photovoltaic panels are connected correctly and securely;
h. Make sure the external AC and DC connectors are connected;
i. Unused terminals and ports are locked by waterproof caps. All the screws are
tightened.
8.2 Powering on the System
Step 1: Turn on the DC switch and check the LCD screen.
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If the LCD screen is not on, turn off the DC switch and check whether the PV
connection is connected correctly.
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If the error of any channel of PV is displayed on LCD, turn off the DC switch
and check the corresponding channel of PV connection.
Step 2: Switch on the AC breaker and wait for the inverter power on.
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If CT is connected, please perform the Meter/CT Check to check the
correct connection through the setting path: Menu>Setting>Advance
Setting>Meter/CT Settings>Meter/CT Check.
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If meter is connected, please set the connection of Meter through the setting
path: Menu>Setting>Advance Setting>Meter/CT Settings.
Step 3: Switch on the battery or the load-break switch of the battery (see documentation
of the battery manufacturer).