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OWNER’S MANUAL
Interface Control (126 374)
WARNING
August 1993 OM-893A
Use above FORM number when ordering extra manuals.
NOTE
ELECTRIC SHOCK can kill.
• Do
not touch live electrical parts.
• Turn
Of
f welding power source and wire feeder
disconnect input power before inspecting or
installing.
The
Interface Control is designed for use with a welding power source that can use
an isolated relay contact for contactor control. The wire feeder must require 115
VAC for operation. The Interface Control will not work with feeders requiring 24
VAC for operation.
Use Interface Control base as a template to mark
and
drill holes on the welding power source cover
Install with customer supplied 1/4-20 self-forming
screws.
1
, and
FILINGS AND TOOLS HITTING INSIDE
PARTS can damage unit.
• Cover
•
.
parts.
Clean unit and remove covers before operating.
swarn1.1 2/93 / fwarn4.1 9/91
1 Welding
2 Plugs
Obtain plugs for connecting to power
source receptacles.
3
4
5
6 14-Socket Receptacle
71
81
9
Power Source Supply
ing 1
15 V
AC T
o Feeder
2-Conductor Contactor Control
Cord
3-Conductor 1
Interface Control
15 V
AC/Contactor Control
14-Pin Plug
15 V
AC/Contactor Control Cord
Wire Feeder
15 V
AC Cord
-
2
3
4
T
ools Needed:
5
7 6
8
9
3/8 in
3/8 in
ST-800 282
Figure 1. Interface Control Connections
1993 MILLER Electric Mfg. Co.
Page 2
Figure 2. Circuit Diagram
SA-126 794
Dia.
Mkgs.
CR50 059 266 RELAY, 120V
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. .
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RC50 143 976 CONNECTOR W/ SOCKETS, (consisting of) 1.
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BE
SURE T
O PROVIDE MODEL WHEN ORDERING REPLACEMENT P
Part
No.
079 534 CONNECTOR, skt Amp 66358-6 14.
134 734 CONNECTOR, 14 pin plug Amp 213571-2.
134 731 CONNECTOR, pin push-in Amp 213603-1.
079 739 CONNECTOR, Str rlf Amp 206322-2.
115 104 CONNECTOR, clamp .500 1.
007 826 CABLE, No. 18 3/c (order by ft) 4ft.
126 975
045 488 WRAPPER 1.
126 949 COVER 1.
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CASE SECTION
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Description Quantity
AC DPDT
1.
1.
ARTS.
OM-893 Page 2
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