Electrical Connection SMA America, LLC
44 SB50US-80US-eng-IUS112633 Installation Guide
12. Tighten the cables with a torque of 15 in-lbs. (1.7 Nm).
13. Check that all terminals have the correct wiring and that the cables are secure.
6. Connect the AC device grounding conductor to the
PE terminal labeled in the SMA DC Disconnect.
208 V and 240 V System Configuration:
Do not connect the Sunny Boy 8000-US to a 208 V grid.
7. Connect conductor L1 (AC conductor 1 or
UNGROUNDED) to terminal L1.
8. Connect conductor L2 (AC conductor 2) to terminal
L2.
9. Connect conductor N (AC conductor N) to terminal
N.
When using grounded 240 V or 208 V Delta grids:
• Connect terminal L2 to the grounded phase.
277 V System Configuration:
10. Connect L1 (AC conductor 1 or UNGROUNDED)
to terminal L1. Do not use terminal L2.
11. Connect conductor N (AC conductor N) to terminal
N.
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