l For mounting on rails with sliding nut fasteners:Ifthestarwashercannotbeused,usethe
SolarEdgegroundingplate(purchasedseparately)betweentherailingandtheflatsideofthe
mountingbracket.Applytorqueof9.5N*m/7lb*ft.
Figure 3: Power optimizer installation and grounding using a grounding plate
l For mounting on un-grounded structures(suchasawoodenstructure):Ifthestarwasheror
theplatecannotbeused,usetheSolarEdgegroundinglug(purchasedseparately)withan
equipment-groundingconductoraccordingtothesuppliedinstructions.Thegroundingterminal
acceptsawiresizeof6-14AWG,andmustbesizedforequipmentgroundingperNEC250.122
requirements.Tightenthescrewsconnectingthepoweroptimizertotheframeandthe
groundingterminalscrew.Applytorqueof9.5N*m/7lb*ft.
Figure 4: Power optimizer grounding terminal
5.
Verifythateachpoweroptimizerissecurelyattachedtothesupportingstructureorthemodule.
NOTE
Record power optimizer serial numbers and locations, as described in Providing Installation
Information on page 51.
Chapter 2: Installing the Power Optimizers
SolarEdge-StorEdge Installation Guide MAN-01-00262-1.2
17