SMA SUNNY TRIPOWER CORE1 Operating Manual page 70

10 Disconnecting the Inverter from Voltage Sources
9. Unscrew all ten screws of the enclosure lid of the
AC connection unit using a Torx screwdriver (TX 25)
and remove the enclosure lid towards the front.
10. Set the screws and the enclosure lid aside and store safely.
11. Ensure there is no voltage on the AC terminal block
between L1 and N, L2 and N, and L3 and N using
a suitable measuring device. To do so, insert the test
probe (maximum diameter: 2.5 mm) into the
measuring points of the respective terminal blocks.
12. Ensure there is no voltage on the AC terminal block
between L1 and PE, L2 and PE, and L3 and PE using
a suitable measuring device. To do so, insert the test
probe (maximum diameter: 2.5 mm) into the
measuring points of the respective terminal blocks.
70 STP50-40-BE-en-12
SMA Solar Technology AG
L 1
L 2
L 3
N
0 . 0 0 0 . 0 0
L 1
L 2
L 3
N
0 . 0 0 0 . 0 0
Operating manual
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