PV Powered 3000 Manual de Serviço descarregar pdf (Página 65)

PVI 3000S, 4000S, 5000S, 5300 Series Inverters

Installation and Operation Manual (Rev A)

• Ensure that the inverter is off and de-energized from both AC and DC sides.

• Open the wiring box and inverter cover.

• As shown in Figure 10.5.1, the JP14 and JP15 jumpers need to be placed at the

higher positions to set to positive grounding.

• The red DC wire, that connects the inverter board to the wiring box, needs to be

connected to “Grounded” DCIN- terminal on the Inverter board.

• The black wire, that connects the inverter to the wi

ring box, needs to be

connected to “Ungrounded” DCIN+ terminal on the Inverter board.

• Disconnect the black DC wires (from PV array) connected to “GROUNDED

CONDUCTOR” terminal block.

• Disconnect the red DC wires (from PV array) connected to “UNGROUNDED

CONDUCTOR” terminal block.

o If using the bypass terminals, disconnect the wires from the associated

terminal block.

• Connect the black DC wires (from PV array) to the “UNGROUNDED CONDUCTOR”

terminal.

o If using the bypass terminals, connect the black DC wires to this set of

terminals.

• Connect the red DC wires (from PV array) to the “GROUNDED CONDUCTOR”

terminal.

• Add permanent weatherproof labels over the Ungrounded (+) and Grounded (-)

labels below the green terminal blocks. The left terminal block must be labeled

“Ungrounded (-)“ and the right terminal block must be labeled “Grounded (+)”.

Optional: add “Warning, Positively Grounded Unit” label to outside of unit at

bottom right corner of wiring box. (a label kit is available from Solectria if

requested).

• Tighten the set screws to a torque of 1.7Nm (15.6 in

-lb.))

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PV Powered 3000 Manual de Serviço Página 65