Electrical Connection
SMA America, LLC
38
SB50US-80US-eng-IUS112633
Installation Guide
6.2 Opening the Sunny Boy
1. Switch off all AC and DC breakers or switch-disconnectors. Ensure they cannot reconnect
accidentally.
2. Wait at least 5 minutes until the residual voltage has been drained.
3. Remove the 6 screws and conical spring washers from the enclosure lid. Pull the lid forward
smoothly.
4. Put the cover, screws and washers aside.
☑ The Sunny Boy is open.
DANGER
High voltages are present in the Sunny Boy during operation.
Death or serious injury due to electric shock.
• Only open the Sunny Boy in the order described as follows.
NOTICE
There may be an ingress of moisture into the open Sunny Boy.
Potential damage to the Sunny Boy.
• Do not open the Sunny Boy in the event of rain or a high level of humidity (> 95 %).
• Handle the enclosure lid with care.
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).