Renogy BIFACIAL 6PCS 450 WATT SOLAR PANELS User Manual

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8. Renogy solar panels installation - Operation and maintenance

Itisrequiredtoperformregularinspectionandmaintenanceofthemodules,especiallyduring

thewarrantyperiod.PleasecontactRenogyin2weeksifanyabnormalityordamageisfound.

8.1. Solar panel cleaning

Theaccumulationofforeignsubstances(suchasdustandbirddroppings)ontheglass

surfaceofsolarpanelscanaecttheirpoweroutputandevencausehotspotsinthearea.

Theextentoftheimpactdependsonthetransparencyoftheforeignmaterial.Forexample,a

smallamountofdustontheglasssurfacecanaecttheintensityanduniformityofabsorbed

sunlight,thisusuallydoesnotcausedamagetothesolarpanel,andthepoweroutput

usuallydoesnotdecreasesignicantly.However,alargeamountofdustaccumulation,bird

droppings,andshadingbyplantscanformobstructions,whichcansignicantlyreducepower

outputandevenformhotspots.Itisrecommendedthatthesurfaceofthepanelsshouldnot

beobstructedbyanythingwhenthereissunlight.

Thecleaningfrequencydependsonthehowmuchforeignmatteranddebrisaccumulates.

Inmanyinstancesthefrontsubstrategetscleanedwiththerain,andyoucandecreasethe

cleaningfrequency.Itisrecommendedtowipetheglasssurfacewithwetspongeorsoftcloth.

Pleasedonotcleantheglasswithcleaningagentwhichcontainsacidoralkali.

Toavoidpotentialelectricalshockorburn,pleasecleanthePVpanelsintheearlymorningor

atdusk.DonotcleanthePVpanelswithdamagetotheglasssurface,backboardorwires.

8.2. Visual Inspection of PV Panels

InspectthePVpanelsvisuallytondifthereareappearancedefect,especially:

Iftheglassisbroken;

Corrosionalongthecells’busbar.Thecorrosioniscausedbymoisturethathasinltrated

intothemoduleswhenthesurfaceencapsulationmaterialdamagedduringtheinstallation

ortransportation.

Ifthereisevidenceofburningonthepanel.

Checktheencapsulationoftheconnectorwiththecable.

EnsurethePVpanelsareuntouchedwithsharpobjects.

EnsurethePVpanelsarenotshaded.

ChecktheconnectionbetweenthePVpanelsandthemountsandbrackets.

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Renogy BIFACIAL 6PCS 450 WATT SOLAR PANELS 12/24 Volt Monocrystalline PV Power Charger On/Off-Grid 2700W Supplies for Rooftop Charging Station Farm Yacht and Other Off-Grid Applications