SMA SC 500CP XT - Manual (Page 30)

4.3.3 Checking the High-Current Contacts Made at the Installation Site
Test point Tasks
Cables Ensure that the cable type and cross-section, the number of cables and the labeling comply
with the specifications in the schematic diagram.
High-current contact Check whether the high-current contacts established at the installation site are tightened to
the correct torque. If the torque is not correct, release and clean the high-current contact and
tighten with the required torque.
Terminal lugs Ensure that the terminal lugs are crimped edge to edge.
Cable support rails Ensure that the cables are adequately attached to the cable support rails.
4.3.4 Checking the High-Current Contacts Made at the Factory
High-current contacts made at the factory
High-current contacts made at the factory are marked off. Providing that the marking is not damaged and runs
across the bolted connection as shown in the figure, this means that the torque complies with the specifications.
Procedure:
• Check whether the high-current contacts made at the factory
are correctly marked off.
If a high-current contact is not correctly marked off, release the high-current contact, tighten with the required
torque and mark off again.
4.3.5 Checking the Settings of the Switching Units
Test Point Tasks
AC circuit breaker Ensure that the settings comply with the specifications in the schematic diagram.
GFDI
Hygrostat
4 Commissioning SMA Solar Technology AG
User Manual SCCPXT-BA-E4-en-54 30