Miller XMT 304 Manual del usuario - Página 18

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Miller XMT 304 Manual del usuario

2-8. Connecting Input Power To Rack

1
OM-818 Page 14
4
8
6
4
5
7
3
Have only qualified persons make
this installation.
Y Turn Off welding power
sources before inspecting
or installing rack.
1
Control Box
Open access door.
2
Line Disconnect Device Of
Proper Rating
3
Input Conductors
4
Grounding Conductor
Select size and length using Sec-
tion 2-9 or 2-10. Conductors must
be able to carry the combined am-
perage draw of all welding power
sources mounted on the rack. Con-
ductor insulation must comply with
national, state, and local electrical
codes.
2
5
Strain Relief Connector
Insert conductors through strain
relief.
6
Input Terminal Block
9
7
Line Terminals
8
Ground Terminal
Connect grounding conductor to
3
ground terminal first. Then connect
input conductors to line terminals.
Close control box access door.
Install grounding conductor and in-
put conductors in conduit or equiv-
alent to deenergized line discon-
nect device.
Connect grounding conductor first,
then line input conductors.
Be sure grounding conductor goes
to an earth ground.
9
Overcurrent Protection
Select type and size using Section
2-9 or 2-10. Install into deenergized
line disconnect device (fused
disconnect switch shown).
ST-801 702 / Ref. ST-801 703