Connecting Input Power - Miller Electric INVISION Invision 456P Owner's Manual

3-9. Connecting Input Power

Tools Needed:
5/16 in
Y Turn Off welding power source, and
check voltage on input capacitors ac-
cording to Section
proceeding.
Check input voltage available at site.
Remove left side panel.
OM-185 648 Page 18
=GND/PE
Y Always connect
grounding conductor
first.
2
L1
L2
L3
1 Input And Grounding Conductors
See Section 3-8.
5-3 before
Install ring terminals of proper size onto input
conductors for connection to input filter
board terminals (see illustration).
2 Line Disconnect Device
L2
1
Select type and size of overcurrent protec-
tion using Section 3-8. Connect input and
grounding conductors to a deenergized line
disconnect device.
Reinstall left side panel.
Input Filter
Board
L1
L3
ssb2.4* 1/94 – ST-801 718 / ST-801 946