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3PH ON-GRID solar inverter
22
www.ips-ups.eu
IPSPV33-ONGI-manual_ENG-R0
7.10.2020
7 Operation
7.1 Switching On
1. Follow the above instructions to complete the connection of PV arrays and wiring on
the AC/DC side of the inverter.
2. Before turning on the inverter, verify the following items:
The inverter is installed correctly and securely. The installation environment is
convenient for operation and maintenance.
The communication module is connected correctly.
Electrical specifications of the AC breaker meet the requirements and it is installed
correctly.
Cables are connected correctly, the electrified bodies are insulated and sealed to
ensure safety.
Safety and warning labels are prominent and clear.
Voltage on the grid side and the DC side meet the requirements of the inverter.
3. Close the circuit breaker on the AC side.
4. Close the DC switch of the inverter. If the input voltage is within the range of
requirement, the green LED indicator lights and flashes, and the inverter starts
detecting.
5. When the illumination conditions meet the working requirements of the inverter, the
inverter will automatically start running and deliver power to the grid. The green LED
indicator is always lit.
6. There is no need to be manual controlled when the inverter is successfully connected
to the utility grid and runs automatically.
7. The inverter shuts down automatically if faults occur and the red LED indicator lights.
Refer to Section 7.3 for LED indicators descriptions. After the fault is removed, the
inverter will restart automatically.
7.2 Switching Off
1. When the illumination is insufficient to keep the inverter running, the inverter shuts
down automatically.
2. When a fault occurs, the inverter displays the fault code automatically. Disconnect the
AC circuit breaker and the DC switch of the inverter if emergency shutdown is
require.
7.3 LED Indicator Lights
The current status of operating and communications of the inverter can be viewed via the
three LED indicator lights on the panel (as shown in following table).