6 Electrical Connection SMA Solar Technology AG
32 SB13_21TL-IA-en-65 Installation Manual
7. Ensure that all DC connectors are securely in place.
8. If an ESS is in use, check it for signs of wear (see Section 10).
6.
Damage to the inverter due to moisture penetration
The inverter is only properly sealed when all the unused DC inputs are closed with
DC connectors and sealing plugs.
• Do not insert the sealing plugs directly into the DC inputs on the inverter.
• For unused DC connectors, push down the
clamping bracket and push the swivel nut up
to the thread.
• Insert the sealing plug into the DC connector.
• Fasten the DC connector (torque: 2 Nm).
• Insert the DC connectors with sealing plugs
into the corresponding DC inputs on the
inverter.
☑ There is an audible click when the DC
connectors are plugged in.
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