SMA SUNNY TRIPOWER X 20-US - Page 69

9 Disconnecting the product from voltage sources
SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 69
11.
DANGER
Danger to life due to electric shock when touching exposed DC
conductors or DC plug contacts if the DC connectors are damaged or
loose
The DC connectors can break or become damaged, become free of the DC cables, or no
longer be connected correctly if the DC connectors are released and disconnected
incorrectly. This can result in the DC conductors or DC plug contacts being exposed.
Touching live DC conductors or DC plug connectors will result in death or serious injury due
to electric shock.
• Wear insulated gloves and use insulated tools when working on the DC connectors.
• Ensure that the DC connectors are in perfect condition and that none of the DC
conductors or DC plug contacts are exposed.
• Carefully release and remove the DC connectors as described in the following.
12. Unlock the DC connector using the corresponding
unlocking tool and remove (refer to the
manufacturer manual for further information).
13. Ensure that no voltage is present at the DC inputs on
the inverter using a suitable measuring device.
0.0V
14. Loosen all ten screws of the enclosure lid (TX25)
and remove the enclosure lid towards the front.
10x
15. Set the screws and the enclosure lid aside and store safely.