Installing The Ac-Con - SMA NR-STP-AC-CON Replacement Manual

7 Installing the AC-CON

5. Remove all connecting screws of the AC-CON
(TX20). Screws that are no longer relevant for the
equipment of the new assembly may be installed
within the indicated area.
6. If the new AC-CON is delivered without RCMU, remove the RCMU from the old AC-CON:
• Turn the AC-CON around.
• Press the locking tabs of the RCMU together and remove the RCMU by pulling gently
from the AC-CON.
7 Installing the AC-CON
Compatibility of assemblies
The assemblies of the spare-part set NR-STP200-ACCON and NR3-STP200-ACCON are not
compatible with the TP-ACCON-XX.XX assembly.
• Before replacing the assembly, ensure that the assembly is only replaced with a
compatible assembly. Refer to the assembly's type label to find out which assembly is
installed in the inverter.
There are assemblies on this assembly with a safety extra-low voltage circuit (SELV circuit). To
ensure the safety of the circuits, an optical inspection must be carried out before installation.
18 ACCON-STPTL10-RM-xx-10
SMA Solar Technology AG
Replacement Manual