Section 6 Removing, Repairing And Exchanging; Product Lifecycle; Removing Merging Unit - ABB SMU615 Installation Manual

1MRS758405 C
Section 6
6.1
6.2
SMU615
Installation Manual
Removing, repairing and exchanging

Product lifecycle

At some point of the product lifecycle, the merging unit is upgraded to a next
generation unit. When selecting the original product, already consider the upgrading
and extension possibilities that the specific product offers for its whole lifecycle.
Merging unit specific options can be found from Retrofit Solutions Database on the
Internet www.abb.com by following the links within ABB Service Guide or via ABB
Product Guide from the product specific Service & Support sheet.

Removing merging unit

1. Turn off the power.
2. Detach the plug-in unit from the case.
3. Disconnect the wiring.
4. Loosen the four M5 fixing screws.
Removing, repairing and exchanging
Section 6
45