AC Voltage Configuration
SMA America, LLC
18
SB50US-80US-eng-IUS112633
Installation Guide
4 AC Voltage Configuration
4.1 Opening the Sunny Boy
1. Remove the six screws and conical spring washers from the enclosure cover. Pull the cover
forward smoothly.
2. Put the cover, screws and conical spring washers to one side so that they do not get in the way.
NOTICE
Damage to the enclosure lid may affect the seal between the enclosure lid and the
enclosure.
There may be an ingress of moisture.
Potential damage to the Sunny Boy.
• Handle the enclosure lid with care.
• Do not lose the screws and conical spring washers of the enclosure lid.
• When closing the enclosure, no moisture may remain in the enclosure.
• Do not install the Sunny Boy in the event of precipitation or a high level of humidity
(> 95 %).
NOTICE
The seal of the enclosure may become frozen shut due to frost.
Potential damage to the seal when opening the Sunny Boy.
There may be an ingress of moisture, damaging the Sunny Boy.
• Do not open the Sunny Boy when the outdoor temperature is below 23 °F ( − 5 °C).