SMA SB 3000TL-US Installation - Manual (Page 57)

SMA America, LLC 10 Disconnecting the Inverter from Voltage Sources
Installation Manual SB3-5TLUS22-IA-en-16 57
• Ensure that no voltage is present between L2 and
the equipment grounding conductor.
10.1 Disconnecting the DC Disconnect from Voltage Sources
1. Turn the rotary switch of the DC Disconnect to Off.
2. Wait until the LEDs and inverter display switch off.
3. Loosen the screw on the lower side of the DC
Disconnect using an Allen key (AF 4) and remove
the lid of the DC Disconnect.
4. If an external DC disconnecting switch is available, open the DC disconnecting switch.
5. If there is no external DC disconnecting switch available, cover the PV modules with opaque
material or disconnect the connectors on the PV modules.