Electrical Connection
SMA America, LLC
36
SB8-10TL-IUS103811
Installation Guide
8. Connect the wires to the terminal blocks in the Sunny Boy and tighten to a torque of 40 in‑lbs.
(4.5 Nm).
9. Verify that all connections are correctly wired and properly torqued. Pull on the cable in order
to make sure that it is sufficiently fixed in the terminal.
10. Close the SMA DC Disconnect as described in section 8.4 ”Closing SMA DC Disconnect”
11. Close the Sunny Boy as described in section 8.2 ”Closing the Sunny Boy” (page 49).
☑ The AC cables are connected.
4. Connect the green/yellow cable to the terminal
labeled:
5. Connect the white wire of the SMA DC Disconnect
to the terminal labeled N.
6. Connect the black wire of the SMA DC Disconnect
to the terminal labeled L1 of the Sunny Boy.
7. Connect the red wire to the terminal labeled L2 in the
Sunny Boy.
