
1
1.1 Symbol Conventions
DANGER indicates a hazardous situation which, if not avoided, will
result in death or serious injury.
DANGER!
WARNING!
CAUTION!
NOTE does not indicate any hazardous situation. It supplements
description and explanation only.
NOTE
CAUTION indicates a hazardous situation which, if not avoided, could
result in minor or moderate injury.
WARNING indicates a hazardous situation which, if not avoided, could
result in death or serious injury.
01 Safety and Warning
General safety cautions:
• Thedocumentationmaybeupdatedfromtimetotimeduetoproductupgradesorother
reasons.Unlessotherwisespecied,informationinthedocumentationdonotreplacesafety
cautionsinthelabels.Alldescriptionsinthedocumentationareusedforguidanceonly.
• Pleasereadtheusermanualcarefullytoacquireknowledgeaboutproductfeaturesand
safetyprecautionsbeforeinstallingtheequipment.GoodWewillnotbeliableforany
equipmentdamagesorpersonnelinjuriescausedbyfailuretoinstall,operateorcongure
theinverterinaccordancewiththisdocumentorcorrespondingusermanual.
• Pleasefollowlocallawsandregulations,andsafetycautionsinthismanualduringthe
installation,operation,andmaintenance.Improperoperationormisusemayresultin
personalinjuriesorpropertylosses.
• Allinstallation,operation,andmaintenancemustbecarriedoutbytrainedprofessionals
whomeetthefollowingrequirements:
• readthroughthismanual
• befamiliarwithvarioussafetyprecautions
• operateproperly
• acquaintwithlocallaws,regulations,andstandards.
• Toensuresafety,pleaseuseinsulatedtoolsandwearpersonalprotectiveequipmentwhen
operatingtheequipment.
• Alwayscomplywithelectrostaticprotectionrules.Toprotecttheinverterfrombeing
damaged,pleasewearanti-staticgloves,wriststrapandclotheswhentouchingprinted
circuitboardorotherelectrostaticsensitivecomponentsduringoperation.
Operation Safety Precautions:
• Theequipmentcangethotduringoperation.Touchingthehotsurfacecanresultinburn
injuries.
• DonotplugorpullDC/ACterminalswhentheequipmentisrunning.
• PVnegative(PV-)andbatterynegative(BAT-)oninvertersideisnotgroundedbydefault.
ConnectingPV-orBAT-toEARTHisstrictlyforbidden.
• PVmodulesusedontheinvertermusthaveanIEC61730classArating,andthetotalopen-
circuitvoltageofPVstring/arrayislowerthanthemaximumratedDCinputvoltageofthe
inverter.AnydamagecausedbyPVover-voltageisbeyondwarranty.
• Whentheinverterleakagecurrenttogroundis≥6mA,itcanbedetectedbythebuilt-in
RCMUfunction.TypeA(≥30mA)residualcurrentdeviceisrecommended.