SolarEdge SE66.6KUS - Appendix C: External Fan Maintenance and Replacement; Fan Maintenance; External Fan Replacement

Appendix C: External Fan Maintenance and
Replacement
ThePrimaryandSecondaryUnitshavetwofanseach:oneisinternalandtheotherisaccessiblefromthe
outsideoftheunit.Thisappendixdescribesexternalfanreplacement.
AfanreplacementkitisavailablefromSolarEdge.
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Figure 50: Primary Unit (left) and Secondary Unit (right) external fans
Fan Maintenance
Atleastonceayear,openthefanscreenandcleantheaccumulateddustusingabrush.
IftheSetAppStatusscreendisplaysthestatusNot Workingforthefan(refertoMainInverterStatuson
page47),replacethefanasdescribedinthenextsection.
External Fan Replacement
1. TurnOFFtheinverterON/OFF/Pswitch,andwaituntilthegreenLEDisblinking,indicatingthatthe
DCvoltageissafe(<50V),orwaitfiveminutesbeforecontinuingtothenextstep.
2. DisconnecttheACtotheinverterbyturningOFFthecircuitbreakersonthedistributionpanel.
3.
Useastandardscrewdrivertounfastenthetwoscrewsofthefancoverandopenthefandoor.

4.
Disconnectthefanconnectorandremovethefan.
5. Connectthefanconnectortothenewfan.
6. Closethefandoorandfastenthecoverscrews.
-Three Phase Inverter with Synergy Technology Installation MAN-01-00402-1.4
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Appendix C: External Fan Maintenance and Replacement