Install Manual


Figure 25: DC Spring-clamp terminal example - 9kW, 10kW and 20kW inverters
l Forthreephaseinverters14.4kWand33.3kW–ConnecttheDCwiresfromthePVinstallationtothe
DC+andDC-terminalblocks:
a. Insertthescrewdriverintothefrontopeningandrotateitcounterclockwisetoactivatethe
clampmechanism.Thesidelatchholdstheclampintheopenposition.
b. Insertthewireintothesideopeningasdeepaspossible.
c. Slightlyrotatethescrewdrivercounter-clockwisetoreleasethelatch.
d. Removethescrewdriver–thewireissafelyclamped.
Figure 26: DC Spring-clamp terminal – 14.4kW and 33.3kW inverters
5. ClosetheSafetySwitchcover:Attachtheswitchcoverandsecureitbytighteningthefourscrews
withatorqueof1.2N*m/0.9ft.*lb.
6. Ensureproperconduitsealing;inspecttheentireconduitrunandusestandardconduitsealantsto
avoidwaterpenetration.
-Three Phase System Installation Guide MAN-01-00527-1.1
40
Connecting the Strings to the Safety Switch