SunPowerCorporationDocument#001‐69178Rev**
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2. Feed the LINE 1, LINE 2/NEUTRAL and GROUND wires through the conduit and into the
center opening of the SunPower Inverter.
3. Connect the GROUND wire to the terminal marked ‘earth ground’ inside the SunPower
Inverter.
4. Connect the LINE 2/NEUTRAL wire to the terminal marked ‘line 2/neutral’ inside the
SunPower Inverter.
5. Connect the LINE wire to the terminal marked ‘line’ inside the SunPower Inverter.
6. Ensure all connections are wired correctly and properly torqued. Tighten the terminal
block screws to 1.7Nm.
2.3.c Connecting DC Wires/PV Panels
WARNING: Before proceeding with the DC wiring, completely cover the surface of all PV-
arrays with dark material to avoid the production of electrical current.
WARNING: Make sure the polarity and the PV panel voltage between the + and the –
cable connectors of the PV panels are correct. Then connect the panels to the DC terminal
block on the power distribution board.
WARNING: The SPR-4600-208 and SPR-5200-240 are configured for positive ground
fault
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