4 Startup and Shutdown
String PV Grid-tied Inverter PSiO-W3#1100VPVK Series
(100000-125000)
User Manual
56
After ensure the inverter is normal, 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.
Step 4
A moment later, the inverter will generate power normally. The grid indictor will be on.
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4.3 Shut Down Inverter
When the inverter is in normal operating, it is strictly prohibited to disconnect the switches at DC and
AC side under load to avoid the risk of arc damage to the switch. In severe cases, the inverter may be
damaged.
Step 1
Switch off the external AC switch between the inverter and grid.
Step 2
Switch off the DC switches on the inverter and project site, after awhile, PV string indicator light off.
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