Sma SB 6000TL‑US Installation User Manual download pdf (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.

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Sma SB 6000TL‑US Installation User Manual Page 41