SolarEdge SE66.6KUS - Replacing Power Optimisers

Connecting the Connection Unit to the Primary Unit
1. ConnecttheDC,asfollows,seeFigure51:
l ConnecttheredwiretoanyoftheDC+terminalsintheinverter.
l ConnecttheblackwiretoanyoftheDC-terminalsintheinverter.
2. Connectthecommunicationwiretothecommunicationboard.
3.
ConnecttheACwiresaccordingtothelabelsontheACterminalblocks,asfollows:
Three Phase Inverter
Wire type Connect to terminal
Figure 53: Primary Unit AC terminals
Line 1 L1
Line 2 L2
Line 3 L3
PE (grounding)
Neutral N
4. Tightenthescrewsofeachterminalwithatorqueof0.88-1.1lb.*ft/1.2-1.5N*m.
5. VerifythattherearenounconnectedwiresattheoutputoftheConnectionUnitandthatany
unusedterminalscrewsaretightened.
6. ConnecttheDCandACwirestotheConnectionUnit.RefertoConnectingtheACandDCStringstothe
ConnectionUnitonpage37.
7. IfyoureplaceaConnectionUnitwithabuilt-inEnergyMeter,connecttheRS485connectortothe
invertercommunicationboard.
8. Ensureproperconduitsealing;inspecttheentireconduitrunandusestandardconduitsealantsto
avoidwaterpenetration.
Replacing Power Optimisers
1.
TurnOFFtheinverterON/OFFswitch,andwaituntiltheLCDgreenlightisblinking,orwaitfive
minutesbeforecontinuingtothenextstep.
WARNING!
If a malfunction is indicated by the LEDs, wait five minutes for the input capacitors of the inverter to
discharge.
Si vous ne pouvez pas voir l'écran de l'onduleur ou si un dysfonctionnement est indiqué sur l'écran
LCD, attendez cinq minutes pour que les condensateurs d'entrée de l'onduleur soient déchargés.
2. TurnOFFtheACbreakeranddistributionpanelonthemaindistributionpanel.
3. Disconnectandreplacethenecessarypoweroptimisers.
4. Performpairing
Appendix D: Replacing System Components
-Three Phase Inverter with Synergy Technology Installation MAN-01-00402-1.4
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