Removing Sibuctrl - SMA SIBUCTRL Instrucciones Para La Sustitución

5 Removing SIBUCTRL

4. Disconnect the PV main distribution board from voltage sources and secure against
reconnection.
5. Shut down the generator and secure against reconnection.
6. Disconnect the utility grid from the multicluster system at the grid-connection point and secure
against reconnection.
7. If a Grid-Connect-Box is present, switch off all circuit breakers and residual-current devices in
the Grid-Connect-Box and disconnect the AC voltage supply at the grid-connection point.
8. Open Multicluster-Box.
9. In the Multicluster-Box, open all circuit breakers of the Sunny Island inverters.
10. Prior to removing the protective cover, wait 15 minutes until the capacitors have discharged.
11. Ensure that no voltage is present at all terminals of the Multicluster-Box.
12. Ground the PV main distribution board outside the Multicluster-Box and short-circuit.
13. Ground the generator outside the Multicluster-Box and short-circuit.
14. Cover and isolate any adjacent live components.
5 Removing SIBUCTRL
Procedure:
1. Disconnect the Multicluster Box from all voltage sources see section 4, page 9.
2. Open the Multicluster-Box / Automatic Switch Box with the switch cabinet key.
3. Loosen the plastic screws of the plexiglass cover
above the SIBUCTRL and remove the cover.
4. Label the terminal used on each connected cable.
10 SIBUCTRL-RM-xx-12
SMA Solar Technology AG
2
Slv1 /L3
Back
upV tgCu
r Slv1 /L2 1
Back upV tgCu
Slv1 /L1
r Back
upV tgCu
r
Com Sync
hIn
Com Sync
hOu t
Replacement Manual
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