SMA Solar Technology AG
7
Checking the Choke Contacts
• Check wether all choke domes are in their original
position by pulling the domes out slightly.
8
Installing the AST Assembly
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.
Figure 2 : Position of the SELV circuits
Position
Designation
A
SELV circuit
Procedure:
1. Check the SELV circuits for visible dirt before mounting the assembly. If dust or other deposits
cover the assembly, do not use it and contact the Service.
Replacement Manual
7 Checking the Choke Contacts
A
AST-STPTL10-RM-xx-10
A
A
19