Startup And Shutdown; Check Before Startup; Start Inverter - KEHUA TECH SPI-B X2 Series User Manual

4 Startup and Shutdown

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

4.1 Check Before Startup

Before starting inverter at the first time, please check the following items.
 Ensure that the inverter is properly installed and fastened.
 Ensure that the DC switches and external AC switches are all in the OFF position.
 Ensure that the polarity of PV strings are correct.
 Ensure that all wires are fastened and the insulation layer of wires are good.
 Ensure the gap between the nylon cable gland and wires and the unconnected connectors are
sealed well.
 Ensure that the grid voltage meets the AC voltage requirement of the inverter.
 Ensure that the cross-sectional area of the input wire meets the max. load current of inverter.
 Ensure the wiring holes of inverter are blocked by fireproofing mud.
 Ensure that the distance among AC terminals meets the requirements of safety standard.
 Ensure that the input voltage of each PV string is same.

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 if the external device or circuit connection is safe.
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4 Startup and Shutdown
PV Grid-tied Inverter SPI-B X2 Series (8K-25K)
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