SMA STP 50-40 Operating Manual page 117

SMA Solar Technology AG
5. Remove the AC cable from the inverter.
6. Remove the M63 cable gland from the enclosure opening in the AC connection unit. To do so,
remove the inside counter nut and remove the cable gland from the enclosure opening.
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).
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 cable glands from the inverter. To do so, unscrew the counter nut from inside and
remove the cable glad from the enclosure opening.
Operating manual
12 Decommissioning the Inverter
1
2
10x
1
2
STP50-4x-BE-en-23
1
10x
10x
117