SMA Solar Technology AG
3. Turn the DC load-break switch to the position O.
4. Wait until the LEDs have gone out and, if necessary, the load connected to the multifunction
relay has been switched off.
5. Use a current clamp to ensure that no current is present in the DC cables.
6. Remove the DC load-break switch. To do so,
unscrew the 2 screws from the DC load-break switch
(hex socket, AF3).
7. Pull the DC load-break switch out in a downward
direction.
8. Unscrew all 6 screws from the lower enclosure lid
(hex socket, AF3).
Replacement Manual
5 Disconnecting the Inverter from Voltage Sources
STPTL-30-H-AC-CON-RM-xx-10
13