9 Decommissioning the Inverter
7. When the AC surge arresters are inserted, pull the
surge arresters out of the slots. To do so, squeeze
the grooved areas on the left and right sides of the
surge arrester.
8. Position the enclosure lid of the AC-Connection Unit
on the AC-Connection Unit and first tighten the
upper-left and lower-right screws, and then the
remaining screws crosswise (TX 25, torque: 6 Nm
(53 in-lb)).
9. Unscrew (TX25) all ten screws of the enclosure lid of
the DC-Connection Unit and remove the enclosure
lid carefully towards the front.
10. Set the screws and the enclosure lid aside and store safely.
11. Remove all connection cables from the
communication assembly and pull out the
connection cables out of the DC-Connection Unit.
12. Remove all conduits with conductors from the inverter. To do this, screw the conduit fittings out
of the enclosure openings from the inside.
13. When the DC surge arresters are inserted, pull the
surge arresters out of the slots. To do so, squeeze
the grooved areas on the left and right sides of the
surge arrester.
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STP33-62-US-41-IA-xx-12
SMA Solar Technology AG
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