SMA Solar Technology AG
5. Remove all connectors from the SIBUCTRL. Unlock
the plug by applying pressure and remove it.
6. Remove all RJ45 cables and the terminator from the
SIBUCTRL.
7. Unscrew all fastening screws and loosen PCB
brackets if necessary.
8. Take the SIBUCTRL out by pulling it towards you.
6
Installing SIBUCTRL
Incorrect wiring of spare-part set SIBUCTRL-TT.NLS-SP in MC-Box-12.3-20
The MC-Box displays an error message during commissioning.
• Ensure that the cable on relay K110 is clamped from contact NO4 to contact NC2.
The device type of the Multicluster Box / Automatic Switch Box can be found on the type label. The
type label is located on the right-hand side of the enclosure.
Replacement Manual
6 Installing SIBUCTRL
2
Slv 1/
Ba cku
L3
pV tgC
ur
Slv 1/
L2
Ba cku
pV tgC
ur
Slv 1/
Ba cku
L1
pV tgC
ur
Co mS
ync hIn
Co mS
ync hO
ut
Slv 1/
Ba cku
L3
pV tgC
ur
Slv 1/
L2
Ba cku
pV tgC
ur
Slv 1/
Ba cku
L1
pV tgC
ur
Co mS
ync hIn
Co mS
ync hO
ut
Slv1 /L3
Back
upV tgCu
r
Back
Slv1 /L2
upV tgCu
r
Slv1 /L1
Back
upV tgCu
r
Com Sync
hIn
Com Sync
hOu t
Slv1 /L3
Back
upV tgCu
Slv1 /L2
r
Back
upV tgCu
r
Slv1 /L1
Back
upV tgCu
r
Com Sync
hIn
Com Sync
hOu t
SIBUCTRL-RM-xx-12
8x
1
1
5x
9x
11