9.
Damage to the inverter due to moisture ingress
If the electrical connection is not made immediately after the installation, the inverter is not
sealed and moisture can penetrate the inverter. The inverter is only sealed if the DC connectors
are connected to the inverter with the DC conductors or with sealing plugs.
If the electrical connection is to be carried out at a later time, close the DC inputs on the
inverter with DC connectors and sealing plugs as described below.
• 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.
• Insert the DC connectors with sealing plugs
into the corresponding DC inputs on the
inverter.
☑ The DC connectors snap into place.
• Ensure that the DC connectors with sealing plugs are securely in place.
5 Mounting
SMA Solar Technology AG
Operating Manual 23SB15-25-1VL-40-BE-en-11
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