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SMA Solar Technology AG 6 Connection

Installation Manual ClusterController-IA-en-10 61

3. Connect the connection cable to the three-pole plug as follows. For this purpose, release

conductor entries 2 and 3 with a screwdriver and insert the insulated wires into the conductor

entries. Observe the pin assignment.

4. Connect the three-pole plug to terminal X1 of the Cluster Controller.

5. Connect the AC connection cable to the top-hat rail power supply unit (see the manufacturer

manual).

7. Connect the other end of the AC connection cable to the electricity supply.

8. Connect the connection point to the electricity grid.

☑ The power LED ( ) of the Cluster Controller glows red for two seconds, then it

permanently glows green. The status LED ( ) glows corresponding to the current device

status (see Section7.1 "LED States", page65). The Cluster Controller is ready for operation

after a maximum of one minute.

✖ Is the power LED ( ) glowing permanently red, the status LED ( ) glowing yellow or

red and the Cluster Controller not starting?

Possible fault cause: the voltage supply is too low.

• Ensure that the voltage supply is sufficient (see Section9 "Technical Data", page77).

• If the problem persists, contact the SMA Service Line (see Section 11).

6.14 Checking the Connections via the Display

You can use the display of the Cluster Controller to check whether the connections have been made

correctly and whether all inverters, sensors and remote terminals have been detected by the Cluster

Controller.

Procedure:

• The display language can be changed via the user interface of the Cluster Controller if required.

• Check the connections via the display.

%"/(&3

Danger to life due to electric shock

Lethal voltages are present at the connection point of the electricity grid.

• Disconnect the connection point from the electricity grid using the separator (e.g.

miniature circuit-breaker).

Available display languages

The display languages of the Cluster Controller are German and English. The default language

is English.

SMA CLUSTER CONTROLLER Installation Manual

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