Installation Guide

1. ConnecttheMinus(-)outputconnectorofthestring’sfirstpoweroptimizertothePlus(+)
outputconnectorofthestring’ssecondpoweroptimizer.
2. Connecttherestofthepoweroptimizersinthestringinthesamemanner.
Figure 8: Power optimizers connected in series
3. Ifyouintendtomonitortheinstallation,usingtheSolarEdgemonitoringportal,recordthe
physicallocationofeachpoweroptimizer,asdescribedinProviding Installation
Informationonpage49.
WARNING!
Input and output connectors are not watertight until mated. Open connectors should be
mated to each other or plugged with appropriate watertight caps.
Les connecteurs d’entrée et sortie ne sont pas étanches jusqu'à ce qu’ils soient accouplés.
Les connecteurs doivent être accouplés ou fermés avec des terminaux étanches.
Step 4: Verifying Proper Power Optimizer
Connection
Afteramoduleisconnectedtoapoweroptimizer,thepoweroptimizeroutputsasafevoltage
of1V.Therefore,thetotalstringvoltageshouldbeequalto1Vtimesthenumberofpower
optimizersconnectedinseriesinthestring.Forexample,if10poweroptimizersare
connectedinastring,then10Vshouldbeproduced.
l Makesurethemodulesareexposedtosunlightduringthisprocess;otherwise,the
poweroptimizersmaynotbepowered.Ifyouuseatracker,thepoweroptimizerwill
turnONonlyifthetrackeristrackingthesunandthemoduleprovidesatleast2W.
SolarEdge-Installation Guide MAN-01-00002-4.0
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Step 4: Verifying Proper Power Optimizer Connection