Commissioning; Commissioning The Inverter - SMA SUNNY MINI CENTRAL 6000TL Installation Manual

Commissioning

6 Commissioning
6.1 Commissioning the Inverter
Self test in accordance with DK 5640, Ed. 2.2 for initial commissioning (applies
to Italy only)
The Italian DK 5940 standard requires that an inverter can first operate on the public grid
when the disconnection times for overvoltage, undervoltage, minimum frequency and
maximum frequency have been checked.
Restart the self-test as described in the following section 6.2 "Self-Test in accordance with
DK 5940, Ed. 2.2 (applies to Italy only)" (page 47). The test takes approx. 8 minutes.
1. Check the following requirements before commissioning:
– The inverter is firmly fastened.
– Correct connection of the AC cable (grid)
– Full connection of the DC cables (PV strings)
– DC inputs that are not needed are closed with the corresponding DC plug connectors and
sealing plugs.
– The enclosure lid is securely screwed in place
– Electronic Solar Switch is securely plugged
– The line circuit breaker is laid out correctly
2. Switch on the line circuit breaker.
☑ Green LED glows: commissioning has been successful.
or
☑ Green LED flashes when there is insufficient irradiation: network connection conditions have
not yet been reached. Wait for sufficient irradiation.
or
☑ The red or yellow LED is glowing or flashing: there has been an error. Proceed to step 3.
A Green LED
B Red LED
C Yellow LED
3. Read section 9 "Failure Search" (page 61) and if necessary eliminate the fault or disturbance.
46 SMC6-8TL-IEN101040
Operation
Ground fault or varistor
defective
Disturbance
SMA Solar Technology AG
Installation Guide