SMA SB 3000TL-US Installation - Manual (Page 77)

SMA America, LLC 11 Troubleshooting
Installation Manual SB3-5TLUS22-IA-en-16 77
5. Ensure that the wires of the varistors are secure in the terminal.
6. Remove the insertion tool from the contacts of the connecting terminal plate.
7. Push the DC Disconnect lid diagonally under the
upper edge of the enclosure and press the lid
down. The lid must be flush with the enclosure
edge.
8. Tighten the lid of the DC Disconnect using an Allen
key (AF 4) and the corresponding screw and
conical spring washer (torque : 44 in-lb. (5 Nm)).
9. Commission the inverter (see Section 7.2).