SMA Solar Technology AG
Requirements:
☐ The inverter must be correctly mounted.
☐ The DC connectors must be correctly assembled.
☐ The AC cable must be connected correctly.
Procedure:
1. Carry out the necessary tests according to the locally applicable laws, standards and
directives for the correct recommissioning after power assembly replacement. Take the
requirements for component replacements into account (see Section 2.2 "IMPORTANT
SAFETY INSTRUCTIONS", page 7).
2. Ensure that the grounding conductor in the inverter is correctly connected and functions
properly.
3. Reattach the DC protective cover. Tighten all 4
screws in the order 1 to 4 (hex socket, AF3,
torque:3.5 Nm).
4. Mount the upper enclosure lid onto the enclosure and lightly fasten all screws.
5. Tighten the screws of the enclosure lid in the
specified sequence (AF4, torque: 6 Nm ± 0.3 Nm).
6. Connect the communication assembly with the
inverter. To do so, plug the ribbon cable to the
communication assembly and lock it.
Replacement Manual
8 Recommissioning the Inverter
4
5
2
1
6
3
A
B
C
STPTL-30-H-AST-RM-xx-10
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