2 connecting the cable shield contact, 3 connecting the communit supply voltage – SMA Communit-10 User Manual

Page 25

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SMA Solar Technology AG

6  Electrical Connection

Installation Manual

Communit-IA-A1-en-22

25

2. Insert the conductor into the terminal up to the stop. Make sure that

no insulation is clamped in the terminal.

3. Remove the screwdriver.

6.3.2 Connecting the Cable Shield Contact

Connect the cable shield contact of each required cable in accordance with the following procedure.

Procedure:

1. Dismantle the data cable.
2. Completely unscrew the knurled screw of the shield clamping bracket. This forces the clamping legs apart.
3. Remove the shield clamping bracket. For this, tip the shield clamping bracket lightly to the side.
4. Fit the cable shield onto the shield bus.
5. Place the shield clamping bracket on the shield bus and cable

shield.

6. Tighten the knurled screw (torque: 0.5 Nm).

6.3.3 Connecting the Communit Supply Voltage

Cable requirements:

☐ The cable for the supply voltage must also include a grounding conductor.
☐ Number of conductors: 3
☐ Conductor cross-section for rigid cables: 0.08 mm

2

to 4 mm

2

☐ Conductor cross-section for flexible cables: 0.14 mm

2

to 2.5 mm

2

☐ The cable must be suitable for the local grid voltage.

Requirements:

☐ No supply voltage must be present.
☐ The cable for the supply voltage must be correctly inserted in the Communit (see Section 6.2 "Inserting the Cables

into the Communication Distribution Unit", page 23).

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