Commissioning; Commissioning The Sunny String-Monitor - SMA SUNNY STRING-MONITOR Technical Description

Accessories for central inverter

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SMA Solar Technology AG

Commissioning

6.1 Commissioning the Sunny String-Monitor

The commissioning report must be filled out during commissioning. The commissioning report form is

enclosed with the Sunny Central.

Requirements:

☐ The DC circuit breaker is disconnected.

☐ The DC main cables are connected to the inverter or DC distribution box and are activated.

There is no reverse voltage from the inverter.

☐ All connections are made according to this manual (see chapter 5 "Electrical

Connection", page 20).

Check the following points and document them in the commissioning report:

• Polarity of the DC voltages at the string inputs and at the DC main cables.

• All strings have similar voltage values.

• Check for the absence of ground faults on the strings and the DC main cables.

• Inspect the screw connections visually.

• Fuses correspond to the system design.

• The terminal allocation of the data cable is correct.

• All covers have been replaced.

Technical Description

6 Commissioning

SSM-TEN103132

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