7 Checking the Choke Contacts
SMA Solar Technology AG
Replacement Manual
AST-STPTL10-RM-xx-10
19
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.
A
A
A
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.
ENGLISH
Summary of Contents for NR-STP-AST
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