Miller Dynasty 400, Owner'S Manual

Page: 48 / 94

OM-275857 Page 38
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Complete Parts List is available at www.MillerWelds.com
5-16. Connecting Input Power For 800 Models
A. Connecting 3-Phase Input Power
OM-222 Page 1
allen_wrench
NGO’s
tools/
flathead philips head wrench
pliers
knife
heavy-duty workclamp light-duty workclamp wirecutter frontcutter
allen_set
needlenose
steelbrush nutdriver
chippinghammer
solderiron
stripcrimp
drill torque wrench
socket wrench
hammer awl file
crimper
paintbrush
feelergauge flashlight ruler
toothbrush
greasegun
qtip (swab)
vicegrip
handream
punch
filterwrench
strapwrench
airgun
solvent pinextractor eprompuller pipewrench
torque screwdriver
crescent wrench
OM-222 Page 1
allen_wrench
NGO’s
tools/
flathead philips head wrench
pliers
knife
heavy-duty workclamp light-duty workclamp wirecutter frontcutter
allen_set
needlenose
steelbrush nutdriver
chippinghammer
solderiron
stripcrimp
drill
torque wrench
socket wrench
hammer awl file
crimper
paintbrush
feelergauge flashlight ruler
toothbrush
greasegun
qtip (swab)
vicegrip
handream
punch
filterwrench
strapwrench
airgun
solvent pinextractor eprompuller pipewrench
torque screwdriver
crescent wrench
OM-222 Page 1
allen_wrench
NGO’s
tools/
flathead philips head wrench
pliers
knife
heavy-duty workclamp light-duty workclamp wirecutter frontcutter
allen_set
needlenose
steelbrush nutdriver
chippinghammer
solderiron
stripcrimp
drill torque wrench
socket wrench
hammer awl file
crimper
paintbrush
feelergauge flashlight ruler
toothbrush
greasegun
qtip (swab)
vicegrip
handream
punch
filterwrench
strapwrench
airgun
solvent pinextractor eprompuller pipewrench
torque screwdriver
crescent wrench
5/16 in.
Installation must meet all National
and Local Codes — have only quali-
fied persons make this installation.
Disconnect and lockout/tagout input
power before connecting input con-
ductors from unit. Follow estab-
lished
procedures regarding the
installation and removal of lockout/
tagout devices.
Make input power connections to
the welding power source first.
Always connect green or green/yel-
low conductor to supply grounding
terminal first, and never to a line
terminal.
NOTICE – The Auto-Line circuitry in this unit
automatically adapts the power source to
the primary voltage being applied. Check in-
put voltage available at site. This unit can be
connected to any input power between 190
and 625 VAC without removing cover to re-
link the power source.
See rating label on unit and check input volt-
age available at site.
1 Input Power Conductors (Customer Sup-
plied Cord)
Select size and length of conductors using
Electrical Service Guide. Conductors must
comply with national, state, and local electri-
cal codes. If applicable, use lugs of proper
amperage capacity and correct hole size.
Welding Power Source Input Power
Connections
2 Strain Relief (Customer Supplied)
Install strain relief of proper size for unit and
conductors.
Route conductors (cord)
through strain relief. Tighten strain relief.
3 Welding Power Source Grounding
Terminal
4 Green Or Green/Yellow Grounding
Conductor
Connect green or green/yellow grounding
conductor to machine grounding terminal
first.
5 Welding Power Source Line Terminals
6 Input Conductors (L1, L2, And L3)
Connect input conductors L1, L2, and L3 to
welding power source line terminals.
Reinstall cover on welding power source.
Disconnect Device Input Power
Connections
7 Disconnect Device (switch shown in the
OFF position)
8 Disconnect Device Grounding Terminal
9 Disconnect Device Line Terminals
Connect green or green/yellow grounding
conductor to disconnect device grounding
terminal first.
Connect input conductors L1, L2, and L3 to
disconnect device line terminals.
10 Over-Current Protection
Select type and size of over-current protec-
tion using Electrical Service Guide (fused
disconnect switch shown).
Close and secure door on disconnect de-
vice. Follow established lockout/tagout pro-
cedures to put unit in service.