SMA SB 6000TL‑US Installation - Manual (Page 41)

SMA America, LLC 5 Electrical Connection
Installation Manual SB6-11TL-US-IA-en-13 41
9. Tighten all cables in the terminal blocks in the SMA DC Disconnect with a torque of 40 in-lb.
(4.5 Nm).
10. Verify that all connections are correctly cabled and tightened to the correct torque.
☑ The DC cables are now connected to the SMA DC Disconnect.
5.5.3 Connecting the DC cable in the Sunny Boy
1. Open the Sunny Boy as described in Section 8.1 "Opening the Sunny Boy", page 55.
5. Check the connection cables of the PV modules for
correct polarity and at the same time ensure that the
maximum input voltage of the Sunny Boy is not
exceeded.
6. Open the screw terminals completely by turning the
screws counterclockwise with a flat-head
screwdriver.
7. Connect the negative DC cables (A) to the terminal
labeled – in the SMA DC Disconnect.
8. Connect the positive DC cables (A) to the terminal
labeled + in the SMA DC Disconnect.
2. Push the DC cables from the SMA DC Disconnect
through the grommet in the Sunny Boy in order to
pierce the grommet. Do not use sharp tools to pierce
the grommet.
3. Pull the cables slightly back in order to seal the
grommet.