SMA Solar Technology AG 6 Electrical Connection
Installation Manual SB30-50TL-21-IA-en-21 47
– Insert the DC connectors with sealing plugs into
the corresponding DC inputs on the inverter.
☑ The DC connectors click audibly into place.
5. Ensure that all DC connectors are securely in place.
6. Close the lower enclosure lid again using the six
screws.
Tighten the screws (2 Nm torque) in the order
shown on the right.
7. Check the ESS for wear (see Section10.3 "Checking the Electronic Solar Switch for Wear",
page70).
8. If an ESS is used, the ESS has to be plugged in
firmly. The ESS must be aligned parallel to and flush
with the enclosure.
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