SMA America, LLC AC Voltage configuration
Installation Guide SB30-40US-IUS103030 17
4 AC Voltage configuration
4.1 Opening the Sunny Boy
1. Remove the four screws and lock washers from the
housing cover and pull the cover forward smoothly.
2. Place the cover, screws, and lock washers aside where
they will be out of your way while you are connecting
wires and cables to the Sunny Boy.
CAUTION
Be careful not to misplace the screws or the lock washers, as all six screws and lock
washers are required to ensure that the cover is grounded properly and is fully sealed to
the case. Handle the cover carefully, as even minor damage to the cover could result in an
inadequate seal between the cover and the case, thus allowing moisture to enter the case
and damage the sensitive electronic components.
NOTICE
Do not install the Sunny Boy during periods of precipitation or high humidity (>95%).
Moisture trapped within the enclosure may cause corrosion and damage to the electronic
components.
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