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Safety
2.3 Explanation of Symbols
This section contains an explanation of all symbols found on the inverter and type label.
2.3.1 Symbols on the Inverter
Symbol
2.3.2 Symbols on the Type Label
Symbol
12
SB20_25_30HF-IEN102911
Explanation
Operation Display.
Indicates the operation condition of the inverter.
An error has occurred.
Read section 11 "Failure Search" (page 74) to remedy the error.
®
Bluetooth
Wireless Technology.
Shows the status of Bluetooth Communication.
Electronic Solar Switch (ESS) DC load disconnection unit
•
When the Electronic Solar Switch is plugged in, the DC circuit is
closed.
•
To interrupt the DC circuit and disconnect the inverter securely
under load, you have to first pull out the Electronic Solar Switch
and then remove all DC plug connectors
8 "Disconnect the Inverter from Voltage Sources" (page 60).
Explanation
Beware of dangerous electrical voltage.
The inverter operates at high voltages. All work on the inverter must be
carried out by qualified personnel only.
Beware of hot surface.
The inverter can become hot during operation. Avoid contact during
operation.
Observe all documentation that accompanies the inverter.
The inverter must not be disposed of together with the household waste. For
more information on disposal, see section 12.5 "Disposing of the Inverter"
(page 82).
SMA Solar Technology AG
, as described in section
Installation Guide
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