Miller Summit Arc 1000 Manuel du propriétaire - Page 30
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4-7. Using Non-Parallel AC Arcs Terminal Strip TE4 Connections
Tools Needed:
Phase Shift
Waveform 1
Waveform 2
.
Use two-conductor (12 to 20 gauge), with uninsulated ground,
shielded cable to make TE4 connections. Connect ground to
terminal C on TE4.
2
Connections from first to second
welding power source:
terminal A to terminal E,
terminal C to terminal C
A
B
C
D
E
TE4 on first welding
power source
OM-2221 Page 26
Y If there are any questions regarding this procedure,
contact the factory before connecting units.
AC Waveforms
3/8 in
(10 mm)
Connections from second to third
terminal A to terminal E,
terminal C to terminal C
A
B
C
D
E
TE4 on second welding
power source
Terminal Strip TE4 Connections For Running Multiple, Non-Parallel AC Arcs
1
A
A
B
B
C
C
D
D
E
E
1
3
welding power source:
A
B
C
D
E
TE4 on third welding
power source
Y Turn Off welding power
source and disconnect input
power before opening ac-
cess door.
Y All units must be set up for
AC output according to Sec-
tion 3-9. Do not parallel DC
output units with AC output
units.
Y DC output units do not re-
quire synchronization with
AC output units.
1
Terminal Strip TE4
This procedure allows the AC out-
put waveforms of two or more units
to have a phase shift. Make con-
nections between terminal strip
TE4 on applicable AC output units
as shown in illustration.
.
Do not disturb factory connec-
tions to terminal strip TE4.
Y Ensure that primary input
power conductors are con-
nected to each unit in the
same sequence (L1 to L1, L2
to L2, and L3 to L3). See Sec-
tion 3-15 for information on
connecting input power. See
Section 3-16 for information
on testing for proper primary
phase sequence.
2
Lead Being Connected To
TE4
3
Securing Screw
Strip 3/8 in (10 mm) insulation off
end of lead, insert end into proper
location on TE4, and tighten appli-
cable securing screw.
Close and secure access door.
.
Connect plug as shown in Sec-
tion 4-8.
Connections from third to fourth
welding power source:
terminal A to terminal E,
terminal C to terminal C
Repeat same connection sequence
on following welding power sources
Ref. 801 882-A