Connecting The Inverter To The Utility Grid - SMA SUNNY TRIPOWER 5.0 SMART ENERGY Operating Manual

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SMA Solar Technology AG
Procedure:
1. Strip the insulation of the grounding cable. Attach the ring terminal lug to the stripped wire
using the required crimping tool.
2. Tighten the screw with washer and spring washer at
one of the two connection points for the additional
grounding (PH2, torque: 1.5 Nm).
7.2.3

Connecting the Inverter to the Utility Grid

Requirements:
☐ The connection requirements of the grid operator must be met.
☐ The grid voltage must be within the permissible range. The exact operating range of the
inverter is specified in the operating parameters.
Procedure:
1. Disconnect the AC and backup miniature circuit breaker from all 3 line conductors and secure
against reconnection.
2. Ensure that the DC load-break switch has been
switched off and secured against reconnection.
3. Ensure that the battery is switched off.
4. Label the AC connector for connection to the utility grid to prevent subsequent confusion with
the AC connector for connection to the backup loads.
5. Unscrew the swivel nut of the AC connector and
remove the terminal from the AC connector.
Operating Manual
7 Electrical Connection
1
STPx0-3SE-40-BE-en-10
2
39

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