SMA Solar Technology AG Commissioning
Installation Guide SB30TL_40TL_50TL-IA-IEN120231 53
6 Commissioning
6.1 Commissioning the Inverter
1. Check the following requirements before commissioning:
– Correct installation (see section 4.3 or section 4.4 )
– Correct country configuration (see section 5.5.1 ).
– Correct connection of the AC cable (grid)
– Correct connection of protective earth
– Complete connection of all DC cables (PV strings)
– Unnecessary DC inputs are closed with the corresponding DC connectors and sealing plugs.
– All enclosure openings are closed.
– The enclosure lid is securely screwed in place
– Electronic Solar Switch is securely plugged
– Correct installation of AC distribution
–The line circuit breaker is laid out correctly
2. Switch on the line circuit breaker.
3. If connected, switch on the multi-function relay power supply.
Self test in accordance with DK 5940, Ed. 2.2 for initial commissioning
(applies to Italy only)
The Italian DK 5940 standard prescribes that an inverter can only operate on the public
grid after the disconnection times for overvoltage, undervoltage, minimum frequency and
maximum frequency have been checked.
If you have configured the DK5940E2.2 country data set, then start the self-test as
described in section 6.3”Self-Test in accordance with DK 5940, Ed. 2.2 (Applies to Italy
Only)” (page55). The test takes approx. 3 minutes.
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