Maintenance SMA America, LLC
82 SB30-40US-IUS103030 Installation Guide
10.2 Cleaning the handle covers
There are handle covers on either side of the Sunny Boy. The Sunny Boy sucks air in from underneath
via the fan and blows it out again on the upper left side. For optimum heat dissipation within the
device, you have to clean the left handle cover. Proceed as follows when cleaning the handle covers:
• The handle covers of the Sunny Boy are on the sides of
the enclosure. Place your fingers in the space between
the top of the housing and the handle covers and gently
pull the handle covers out of their bracket. (It is only
snapped in.)
• Clean the filter and fins with a soft brush or cloth. Use
mild soap and water if necessary.
• Insert the handle covers back into the Sunny Boy. The
handle covers can only be inserted on the right or left
side of the Sunny Boy respectively.
"links/left" or "rechts/right" is printed on the inside of the
handle covers to help you identify the sides.
10.3 Checking the DC Disconnect
Under normal use the DC Disconnect does not need maintenance.
It is recommended, though not compulsory to:
• Check the DC Disconnect regularly.
• Operate the DC Disconnect once a year 10 times.
Operating the switch will clean the contacts and will extend the life of the DC Disconnect.
NOTICE
Insects entering the Sunny Boy can damage the device.
• The handle covers must not be removed permanently, because otherwise the device
is not protected against the entrance of insects!
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