MAXEONSOLARTECHNOLOGIES,LTD.
SafetyandInstallationInstructions‐Document001‐15497Rev.W
©December2021MaxeonSolarTechnologies,Ltd.Allrightsreserved.Specificationsincludedinthismanualaresubjecttochangewithoutnotice.
A photovoltaic module may produce more current and/or voltage
thanreportedatSTC.Sunny,coolweatherandreflectionfromsnow
orwatercanincreasecurrentandpoweroutput.Therefore,thevalues
ofI
sc
andV
oc
markedonthemoduleshouldbemultipliedbyafactor
of 1.25 when determining component voltage ratings, conductor
ampacities,fuse sizes,andsizeofcontrolsconnectedtoPVoutput.An
additional1.25multipliermayberequiredbycertainlocalcodes for
sizingfusesandconductors.Maxeonrecommendstheuseof
open‐
circuitvoltagetemperaturecoefficientslistedonthedatasheetswhen
determiningMaximumSystemVoltage.
4.0 ElectricalConnections
Modulesmaybeconnectedinseriesand/orparalleltoachievethe
desiredelectricaloutputaslongascertainconditionsaremet.Please
useonlythesametypeofmodulesinacombinedsourcecircuit.
Evenifallowedbylocalregulation,PlugandSocketconnectorsmated
togetherinaPV
systemmustbeofthesametype(model,rating)from
thesamemanufactureri.e.aplugconnectorfromonemanufacturer
and a socket connector from another manufacturer, or vice versa,
shallnotbeusedtomakeaconnection.Maxeonrecommendsthatall
wiringbedoubleinsulatedwithaminimumratingof85°C(185°F).All
wiringshoulduseflexiblecopper(Cu)conductors.Theminimumsize
shouldbedeterminedbytheapplicablecodes.Werecommendasize
notlessthan4mm
2
.Theinsulationtypeshouldbeappropriateforthe
typeofinstallationmethodusedandmustmeetSCII(SafetyClassII)
and IEC 61730 requirements. To minimize the risk from indirect
lightningstrikes(Voltagesurges),thesystemshouldbedesignedto
avoidloopsinthewiring.
Maxeonrecommendsaconservativeminimum
bendingradius(R)5x
cable diameter must be maintained and must not be bent on the
direct exit of the connector or junction box. Avoid exposure of
electrical connections to direct sunlight and do not place the
connector in a location where water could easily accumulate.
Installers must refer to connector manufacturer’s instruction for
furtherinstallationandconnectionrequirements.
Connectorsarefactoryassembledwithintentionalgapsbetweenthe
cablenut andthebodyofthe connector.Do notretighten module
connectornutsasthismayleadtostresscrackingoftheconnector
assemblyandwillvoidthewarranty.
4.1System
&EquipmentGrounding
Pleaserefertotheapplicableregionalandlocalcodesongrounding
PV arrays and mounting frames for specific requirements (e.g.
lightningprotection).
ModuleTypes
SPRE,X,PseriesmodulesandourMaxeonandPerformanceProductLine
are compatible with Transformer Less (TL) inverters, when used as an
ungroundedPVsource.
Noframegroundingrequirements(includingfunctionalframegrounding),
butmaybesubjectedtolocalregulation.
Functionalsystemgroundingofapolarity(positiveornegative)isoptional
andmaybesubjecttolocalrequirements.
ESeries:
SPR‐Eyy‐xxxSPR‐Eyy‐xxx‐BLKSPR‐Eyy‐xxx‐COM
XSeries:
SPR‐Xyy‐xxxSPR‐Xyy‐xxx‐BLKSPR‐Xyy‐xxx‐COM
PSeries/PerformanceProductLine:
SPR‐Pyy‐xxx‐COM SPR‐Pyy‐xxx SPR‐Pyy‐xxx‐BLK SPR‐P3‐xxx‐COM
SPR‐P3‐xxx‐COM‐1500SPR‐P3‐xxxSPR‐P3‐xxx‐BLKSPR‐Py‐xxx‐UPP
SPR‐Py‐xxx‐COM‐M‐BIF
MaxeonProductLine:
SPR‐MAX2‐xxxSPR‐MAX2‐xxx‐COMSPR‐MAX3‐xxxSPR‐MAX3‐xxx‐
BLKSPR‐MAX3‐xxx‐COMSPR‐MAX5‐xxx‐COMSPR‐MAX6‐xxxSPR‐
MAX6‐xxx‐BLK,SPR‐MAX6‐xxx‐COM
Note: If you are installing an older Module Type than above
mentioned,pleaserefertodifferent/previousapplicableSafetyand
InstallationManual.
If you are doing a frame grounding connection, avoid the direct
contactbetweenAluminum andCopperusinganintermediatemetal
likestainlesssteelortin.
4.2SeriesConnection
Themodules
maybewiredinseriestoproducethedesiredvoltage
output. Do not exceed the maximum system voltage specified in
moduledatasheet.
4.3ParallelConnection
The modules may be combined in parallel to produce the desired
currentoutput.Seriesstringmustbefusedpriortocombiningwith
otherstrings ifthe resultingmaximum reversecurrentexceeds the
fuse rating as shown in the datasheets. Bypass diodes are factory
installedinthemodules.Please
refertotheapplicableregionaland
localcodesforadditionalfusingrequirementsandlimitationsonthe
maximumnumberofmodulesinparallel.
5.0 ModuleMounting
The Maxeon Limited Warranty for PV Modules is contingent upon
modules being mounted in accordance with the requirements
describedinthissection.
5.1SiteConsiderations
Maxeon modules should be mounted in locations that meet the
followingrequirements:
Operating Temperature: All Maxeon modulesmustbe mounted in
environmentsthat ensureMaxeon moduleswilloperatewithin the
followingmaximumandminimumoperatingtemperatures:
MaximumOperating
Temperature(Ambient)
+85°C(+185°F)
MinimumOperating
Temperature(Ambient)
‐40°C(‐40°F)
Care should be taken to provide adequate ventilation behind the
modules,especiallyinhotenvironments.
Shading:Modulesshouldbeinstalledsothatpermanentshadingof
cellsisavoidedandpartialshadingthatmayoccurduringcertain
timesofthedayoryearisminimized.Permanentshadingisdefined
asshadethatiscastoverthesameposition(ofconstantarea)ofthe
solarmodulethroughoutthegenerationhoursoftheday.
Shading may induce in certain
cases strong energy production
reduction,evenincaseofsmallshadingandshouldbeavoidasmuch
aspossible,speciallyatmid‐daywhentheproductionismaximum.
DesignStrength:Maxeonmodulesaredesignedtomeetapositiveor
negative (upward and downward, e.g. wind) withstanding test
pressureloadandanegative(ordownward,e.g.staticloadorsnow
load) withstanding test pressure load, as per IEC 61215, when
mountedintheconfigurationsspecifiedinSection5.2andTables1.2
or1.3below.
Whenmountingmodulesinsnowproneor
highwindenvironments,
specialcareshouldbetakentomountthemodulesinamannerthat
provides sufficient design strength while meeting local code
requirements.
AdditionalauthorizedOperatingEnvironments:
Modules can be mounted in the following aggressive environment
accordingtothetestlimitsmentionedbelow
Saltmistcorrosiontesting:IEC61701Severity6
AmmoniaCorrosionResistance:IEC62716Concentration:6,667ppm
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