SMA Backup Select Quick Reference Manual page 7

SMA Solar Technology AG
Danger to life due to electric shock when touching live system components in
case of a ground fault
If a ground fault occurs, parts of the system may still be live. Touching live parts and cables
results in death or lethal injuries due to electric shock.
• Disconnect the system from voltage sources and make sure it cannot be reconnected before
working on the device.
• Only touch the cables of the PV modules on their insulation.
• Do not touch any parts of the substructure or frame of the PV array.
• Do not connect PV strings with ground faults to the inverter.
• Once disconnected from voltage sources, wait five minutes before touching any parts of the
PV system or the system.
Damage to the system due to sand, dust and moisture ingress
Sand, dust and moisture penetration can damage the products of the system and impair its
functionality.
• Only open the product if the humidity is within the thresholds and the environment is free of
sand and dust.
• Do not open the product during a dust storm or precipitation.
• Close the product in case of interruption of work or after finishing work.
• Only operate the product when it is closed.
• Close tightly all enclosure openings.
3 Symbols on the Product
Symbol Explanation
Beware of electrical voltage
The product operates at high voltages.
Beware of hot surface
The product can get hot during operation.
Observe the documentations
Observe all documentations supplied with the product.
Quick Reference Guide
DANGER
NOTICE
SMABackupSelect-ISS-xx-10
3 Symbols on the Product
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