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Safety
PV plant design
When designing the PV plant, ensure that the values comply with the permitted operating range of all
components at all times. The free design programs "Solar Design Tools" (www.SMA-America.com)
will assist you. The manufacturer of the PV modules must have approved the modules for use with this
Sunny Boy device.
The Sunny Boy 8000TL-US, 9000TL-US and 10000TL-US is a transformerless inverter.
That is why it has no galvanic separation.
• The PV modules must be rated for at least the maximum PV system voltage.
Do not use the Sunny Boy for purposes other than those described here. Alternative uses,
modifications to the Sunny Boy or the installation of components not expressly recommended or sold
by the manufacturer void the warranty claims and operation permission.
2.2 Safety instructions
DANGER
During operation, high voltages are present in the Sunny Boy.
Death or serious injury due to electric shock.
• All work on the Sunny Boy must only be carried out by qualified personnel.
• Work on the Sunny Boy may only be carried out as described in this manual.
• Observe all safety instructions listed on the Sunny Boy, in this manual and of all
components of the PV plant.
WARNING
The Sunny Boy becomes hot during operation.
Risk of burn.
• Do not touch the enclosure during operation.
• Only touch the lid during operation.
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SB8-10TL-IUS103811
SMA America, LLC
Installation Guide
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