SMA SUNNY BOY 1.5 - Page 60

7. Ensure that no voltage is present at the DC
inputs on the inverter using a suitable measuring
device.
8. Loosen the swivel nuts.
9. Loosen the screws of the connection cap and
remove the connection cap.
10. Use a suitable measuring device to check that no voltage is present at the AC connector
between L and N and between L and the grounding conductor. To do so, insert the test probe
(maximum diameter: 2mm) into each round opening of the connecting terminal plate.
11. Release and disconnect the AC connector using
the sliders located on the side.
L
N
1
1
2
10Disconnecting the Inverter from Voltage Sources
SMA Solar Technology AG
Operating ManualSB15-25-1VL-40-BE-en-1160