SMA TRIPOWER CORE1 Handleiding pagina 18
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7 Replacing the DST Assembly
4. Plug the ribbon cable connector into the assembly and ensure that the lock has snapped into
place.
5. For spare part set NR-PL-DCEMV5M-01; NR-PL-
DCEMV5-01: Tighten the terminal lugs with screws
included in the scope of delivery (TX20, tightening
torque: 6.0 Nm (53.1 in-lb)). Ensure that you select
the correct angle for the terminal lug (BU = blue, BK
= black).
6. For spare part set NR-PL-DCEMV41-1 / NR-PL-
DCEMV-M-41-1: Tighten the terminal lugs with
screws included in the scope of delivery (TX20,
tightening torque: 6.0 Nm (53.1 in-lb)). Ensure that
you select the correct angle for the terminal lug (BU
= blue, BK = black).
7. Information for spare part set NR-PL-DCEMV41-1 / NR-PL-DCEMV-M-41-1: Secure the
cables using the cable tie as shown.
8. Ensure that all connections for the replaced assembly have been made correctly.
9. Position the enclosure lid on the DC-Connection Unit and first tighten the upper-left and lower-
right screws, and then the remaining screws crosswise (TX25, torque: 6 Nm (53 in-lb)).
10. Commission the inverter (see Section 8, page 27).
7
Replacing the DST Assembly
7.1
Checking the New Assembly
To ensure that the replacement of the assembly can be performed, the status of the new assembly
must be checked prior to removal of the defective assembly.
Procedure:
1. Carefully remove the assembly upwards out of the packaging. When doing so, ensure that the
thermal grease is not damaged or contaminated.
2. Check the pattern of thermal grease on the rear of the assembly for damage, impurities, and
desiccation.
18
STP50-DC-EMV-DST-RM-xx-12
SMA Solar Technology AG
Replacement Manual
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