ABB ACS880-107LC, Hardware Manual

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5. Remove the L-shaped DC busbars at the top of the module. Make note of the orientation
of the screws as well as the order of the washers.
6. Close the inlet valve (a) and outlet valve (located on the right-hand side of the cubicle).
Lead the drain hoses (b, on both sides of the cubicle) into a suitable container. Open
the drain valves (c, on both sides of the cubicle). This will drain all modules in the cubicle.
a
b
c
7. After the module has drained, disconnect the piping from the module.
Maintenance 61