P400 Installation

8. Closetheinvertercoverbytighteningthescrewswithatorqueof9.0N*m/6.6lb*ft.For
propersealing,firsttightenthecornerscrewsandthenthetwocentralscrews.The
followingfigureillustratesrecommendedorder:
Figure 30: Tightening order of the screws
9. TurnONtheSafetySwitch.IfanadditionalexternalDCswitchisinstalledbetweenthe
poweroptimizersandtheinverter(s)thenturnitON.
AstatusscreensimilartothefollowingappearsontheLCDpanel:
V a c [ V ] V d c [ V ] P a c [ w ]
2 4 0 . 7 1 4 . 1 0 . 0
P _ O K : 0 0 0 / 0 0 0 < S _ O K >
- - - - - - - - - - - - - - - O F F
10. VerifythatthefollowinginformationappearsontheLCDpanel:
l P_OK:Appearsonlyuponfirsttelemetryreceptionfromthepoweroptimizers.
Indicatesconnectiontothepoweroptimizersandthatatleastonepoweroptimizer
issendingmonitoringdata.IfP_OKdoesnotappear,checkthepoweroptimizer,
stringandDCinputconnections.
l 000/000:Appearsonlyuponfirsttelemetryreceptionfromthepoweroptimizers.
Indicatesthenumberofpoweroptimizersthathavebeenpairedtothisinverter.At
thisstage,thenumbershouldbe000,sincenopoweroptimizershavebeenpaired.
l S_OK:theconnectiontotheSolarEdgemonitoringportalissuccessful(should
appearonlyiftheinverterisconnectedtotheserver).IfS_OKisnotdisplayedand
theinverterisconnectedtotheserver,refertoErrors and Troubleshootingonpage
83.
l Vac [V]:thegridACoutputvoltage.Verifythecorrectvalue.
SolarEdge-Installation Guide MAN-01-00002-4.0
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Step 1: Activating the System