SMA NR-PL-DCEMV5-01 Manual page 16

6 Replacing the DC EMV Assembly
8. Remove the 4 screwed DC power connections
(TX20 or TX30). If the bolting block and the terminal
lug stick together, the contact surfaces must be
ground prior to the next connection being made.
Ensure that no grinding filings remain in the device.
9. Clean the contact surfaces on the bolting block and terminal lugs with a suitable cleaning
agent to remove bolt coating deposits.
10. Remove the cables from the working area.
11. Remove the 4 DC EMC assembly mounting plate
connecting screws (TX20). Once the screws have
been removed, the assembly mounting plate
remains held in place by the spacers.
16 STP50-DC-EMV-DST-RM-xx-10
SMA Solar Technology AG
Replacement Manual