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String PV Grid-tied Inverter PSiO-W3#1100VPVK Series
(100000-125000)
User Manual
3 Installation
49
Figure3-40
Wiring diagram (connected from PV string)
Install PV connectors
Step 1
Confirm that all DC switches on the inverter (shown as
○
2 in Figure3-41) are OFF.
Figure3-41
Diagram of DC switch OFF status
Step 2
Check whether the polarity of the PV string is correct, and ensure that the open-circuit voltage in any
case not exceeds the maximum input voltage of the inverter 1100V.
Figure3-42
Measuring open-circuit voltage
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