SMA America, LLC
9 Troubleshooting
Installation Manual
SB3-5TLUS22-IA-en-10
79
5. Ensure that the wires of the varistors are secure in the terminal.
6. Remove the insertion tool from the contacts of the terminal block.
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. Screw the DC Disconnect lid into place
(torque: 44 in-lb. (5 Nm)).
9. Screw the DC Disconnect rotary switch onto the lid
hand-tight.
10. Commission the inverter (see Section 7.2).
Closing the DC Disconnect
Closing the DC Disconnect
Rotary switch in position