Installation Guide

l InSolarEdgesystems,duetotheintroductionofpoweroptimizersbetweenthePV
modulesandtheinverter,theshortcircuitcurrentI
SC
andtheopencircuitvoltageV
OC

holddifferentmeaningsfromthoseintraditionalsystems.
FormoreinformationabouttheSolarEdgesystem’sstringvoltageandcurrent,referto
theV
OC
and I
SC
in SolarEdge Systems Technical Note,availableontheSolarEdge
websiteat:http://www.solaredge.us/files/pdfs/isc_and_voc_in_solaredge_sytems_
technical_note.pdf
To verify proper power optimizers connection:
Measurethevoltageofeachstringindividuallybeforeconnectingittotheotherstringsorto
theinverter.Verifycorrectpolaritybymeasuringthestringpolaritywithavoltmeter.Usea
voltmeterwithatleast0.1Vmeasurementaccuracy.
Fortroubleshootingpoweroptimizeroperationproblems,refertoPower Optimizer
Troubleshooting onpage94.
Chapter 2: Installing the Power Optimizers
SolarEdge-Installation Guide MAN-01-00002-4.0
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