Cleaning The Handle Covers; Checking The Dc Disconnect - SMA Sunny Boy 6000TL‑US Installation Manual

9 Maintenance
9.2 Cleaning the Handle Covers
For optimal heat dissipation of the device, the handle covers must be clean. Clean the handle covers
regularly.
Insects can enter the Sunny Boy
Potential damage to the Sunny Boy.
• The handle covers must not be removed permanently, otherwise the inverter is not protected
against the ingress of insects.
1. Remove the handle covers. To do this, put your
finger up into the space between the handle covers
and the enclosure and pull the handle covers to the
side.
2. Clean the handle covers with a soft brush or a paint brush.
3. Re-attach the handle covers to the inverter.
The side on which they are to be mounted is stated
on the inside of the handle covers ("links/left" and
"rechts/right").
9.3 Checking the DC Disconnect
In the case of normal use, the DC Disconnect does not require any maintenance.
Operating the switch cleans the contacts and extends the life of the DC Disconnect.
It is recommended, though not compulsory, to:
• Check the DC Disconnect regularly.
• Activate the DC Disconnect 10 times in a row once a year.
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Installation Manual