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6
Powering On the System
When LED2 is steady green (meaning that the inverter is grid-tied), do not turn on any DC
switch. Otherwise, the inverter may be damaged because the insulation resistance is not
detected.
•
Before turning on the AC switch between the solar inverter and the power grid, check that
the AC voltage is within the specified range using a multimeter set to the AC position.
•
Do not turn the DC switch to the unloaded position
1. Turn on the AC switch between the solar inverter and the power grid.
2. (Optional) Remove the screws that secure DC SWITCH 1, DC SWITCH 2, and DC SWITCH 3,
and keep the screws properly for the power-off maintenance later.
3. Set DC SWITCH 1 (MAIN SWITCH) at the bottom of the solar inverter chassis to ON. When
you hear a click sound, the switch is ON.
4. Check the status of the PV connection indicator. If it is steady green, set DC SWITCH 2 and
DC SWITCH 3 to ON.
5. Observe the LED indicators to check the operating status of the solar inverter.
.
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