9 Disconnecting the product from voltage sources
SMA Solar Technology AG
Operating manualEVC22-3AC-20-BE-en-1082
8. Tilt the cover forward to an angle of about 70° and
then carefully pull upwards to remove it.
9. Set the screws and the enclosure lid aside and store safely.
10. Check that there is no voltage between L1 and N,
L2 and N, and L3 and N at the AC terminal block
for connecting the utility grid. Use a suitable
measuring device for this purpose. To do this, insert
the test probes through the openings on the terminal
block.
11. Check that there is no voltage between L1 and
grounding conductor, L2 and grounding conductor,
and L3 and grounding conductor at the AC terminal
block for connecting the utility grid. Use a suitable
measuring device for this purpose.
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