Electrical Connection SMA America, LLC
34 SB50US-80US-eng-IUS112633 Installation Guide
6 Electrical Connection
DANGER
Danger to life due to high voltages in the DC and AC cables.
Risk of death or serious injury due to electric shock.
• Only qualified personnel may perform work on the inverter.
• Only connect the Sunny Boy in the order stated below.
NOTICE
Ingress of moisture when mounting and installing the Sunny Boy.
Potential damage to the Sunny Boy.
• For the purpose of inserting the cable conduits into the enclosure, use only UL-certified
rainproof sleeves or waterproof sleeves that fulfill UL 514B.
• Do not open the Sunny Boy in the event of rain or a high level of humidity (> 95 %).
The seal of the enclosure may become frozen shut due to frost.
Potential damage to the seal when opening the Sunny Boy.
• Do not open the Sunny Boy when the outdoor temperature is below 23 °F ( − 5 °C).
NOTICE
Electrostatic discharges from touching component parts.
Potential damage to the Sunny Boy.
• Ground yourself prior to touching a component part.
NOTICE
Ground fault error, unreliable and highly resistive connections due to luster terminals.
Potential damage to or failure of the Sunny Boy.
•Do not use luster terminals.
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