Startup And Shutdown; Check Before Startup; Start Inverter - Soleil SRT 75K User Manual

This chapter mainly introduces how to start and shut-down the inverter.

4.1 Check Before Startup

Before first startup, please check the following items first.
⚫ Ensure that the inverter is properly installed and fastened.
⚫ Ensure that the DC switches and external AC breakers are all disconnected.
⚫ Ensure that the input polarity of PV string is correct.
⚫ Ensure that all wires are fastened and the cable sheath with no damage.
⚫ Ensure that the gap between connector and wires and unconnected connector has been sealed up
and filled with fireproofing mud.
⚫ Ensure that the grid voltage meets the AC voltage requirement of the inverter.
⚫ Ensure that the input cables meet the current requirements of max. load.
⚫ Ensure that the distance among AC terminals meet the requirements of safety standard.
⚫ Ensure that the input voltage of each PV string in accordance with each other's.

4.2 Start Inverter

Damaged device or device fault may cause electric shock or fire!
⚫ Before operation, please check if the inverter is damaged or has other danger.
⚫ Check the external device or circuit connection and see if it is safe.
After making sure that the inverter is not damaged, start the inverter according to following steps.
Step 1 Switch on the DC switches on the inverter and the project site. When the PV string provides enough
startup voltage, PV string indicator will be ON.
Step 2 Switch on the AC switch between inverter and grid, the fault indicator OFF.
Step 3 When the DC and AC power are all normal, the inverter will prepare to start.
IV438E REV.01 Issued: 2022/11/09

4 Startup and Shutdown

User Manual Soleil SRT/SPX 75K-150K Pag. 55 of 74 +FR