SMA SB 3000TL-US Installation - Manual (Page 37)

SMA America, LLC 6 Electrical Connection
Installation Manual SB3-5TLUS22-IA-en-16 37
6.3.2 Connecting the Inverter to the Utility Grid
Requirements:
☐ The country data set and the display language must be correctly set (see Section 7.1 "Making
Settings via the Rotary Switches", page 47).
☐ The connection requirements of the grid operator must be met.
☐ The line voltage must be within the permissible range. The exact operating range of the inverter
is specified in the operating parameters.
1. Switch off or open all AC disconnecting switches and circuit breakers in the output circuit of the
inverter and secure against reconnection.
2. Ensure that no voltage is present between the AC cables to be connected.
3. Remove all six screws of the lower enclosure lid using an Allen key (AF 3) and remove the
enclosure lid.
4. Loosen the screw on the display and flip the display
up until it clicks into place.
5. Lead the conduit with the AC cables through the enclosure opening into the inverter and screw
the conduit fitting tight.
6. Strip the insulation of L1, L2, N and the equipment grounding conductor each by
1
/
2
in. (12 mm).
7. Connect L1, L2 and N to the AC terminals labelled for this purpose:
• Raise the safety levers on the terminals as far as
possible.
• Lead the conductors fully into the terminals.