Sma SB 6000TL‑US Installation User Manual Page 42

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5 Electrical Connection SMA America, LLC
42 SB6-11TL-US-IA-en-13 Installation Manual
7. Tighten all cables in the terminal blocks in the Sunny Boy with a torque of 40 in-lb. (4.5 Nm).
8. Verify that all connections are correctly cabled and tightened to the correct torque. Pull on the
cable in order to make sure that it is attached tightly enough in the terminal.
9. Close the SMA DC Disconnect as described in Section 8.4"Closing the DC
Disconnect",page59.
10. Close the Sunny Boy as described in Section 8.4"Closing the DC Disconnect",page59.
The DC cables are now connected in the Sunny Boy.
5.6 Communication
The Sunny Boy can be equipped with a communication interface in order to communicate with SMA
communication products.
You will find further information and a list of applicable communication products at
www.SMA‑America.com.
4. Open the screw terminals completely by turning
them counterclockwise using a flat-head screwdriver.
5. Connect the positive DC cable to the terminal
labeled DC+ in the Sunny Boy.
6. Connect the negative DC cable to the terminal
labeled DC- in the Sunny Boy.
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