Miller Electric 456 CV, 456 CC Connecting Input Power, Always connect grounding conductor first

3-10. Connecting Input Power

Input Filter

Board

L1

L2

=GND/PE

YAlways connect grounding conductor first.

L3

2

L1

L21

L3

Tools Needed:

5/16 in

ssb2.4* 1/94 – ST-801 523-B / ST-801 946

YTurn Off welding power source, and check voltage on input capacitors ac- cording to Section 5-3 before proceeding.

Check input voltage available at site.

Remove left side panel.

1Input And Grounding Conductors See Section 3-9.

Install ring terminals of proper size onto input conductors for connection to input filter board terminals (see illustration).

2 Line Disconnect Device

Select type and size of overcurrent protec- tion using Section 3-9. Connect input and grounding conductors to a deenergized line disconnect device.

Reinstall left side panel.

OM-188 422 Page 19