Miller RFC-23A Owner's manual

Type
Owner's manual

This manual is also suitable for

Miller RFC-23A is a remote foot control device designed to enhance your welding experience by providing precise amperage or voltage control, allowing you to make fine or full adjustments. Whether you prefer amp or voltage control, this device offers both options with ease. Additionally, the RFC-23A features contactor control, enabling you to turn the weld output on and off with a simple press of the control.

Miller RFC-23A is a remote foot control device designed to enhance your welding experience by providing precise amperage or voltage control, allowing you to make fine or full adjustments. Whether you prefer amp or voltage control, this device offers both options with ease. Additionally, the RFC-23A features contactor control, enabling you to turn the weld output on and off with a simple press of the control.

OWNER’S MANUAL
2004 MILLER Electric Mfg. Co.
FORM: OM-826 029 900S
February 2004
RFC-23A Remote Foot Control
See welding power source Owner’s Manual for all relative safety information.
1. Specifications And Connections
Ref. ST-141 294-A / ST-800 096
1 14- Or 5-Pin Amphenol Plug
2 Twistlock Plugs
Units are equipped with 20 ft (6 m)
cord(s). If a longer cord is required
see Section 2.
OR
2
1
A 7-1/2 in
(190 mm)
B 6-1/4 in
(159 mm)
C 11 in
(279 mm)
A
B
C
2. Selecting Interconnecting Cord
Amperage Or Voltage Control Contactor Control
Cord Length Conductor Size (AWG) Cord Length Conductor Size (AWG)
Up to 20 ft (6 m) No. 16
Up to 20 ft (6 m) (GD Models) No. 14
21 to 100 ft (6 to 30 m) (GD Models) No. 12
Up to 200 ft (61 m)
No. 16
21 to 50 ft (6 to 15 m) No. 14
Up to 200 ft (61 m)
No. 16
51 to 100 ft (16 to 31 m) No. 12
101 to 200 ft (31 to 61 m) No. 10
OM-826 Page 2
3. Adjusting Amperage Without Output (Contactor) Control
. See welding power source
Owner’s Manual to determine
if Remote Foot Control works
as a fine or as full Amperage
control.
Ref. ST-122 023-A / Ref. ST-141 127-A / ST-039 411-D
EXAMPLE Of Fine Remote Amperage Control
OR
EXAMPLE Of Full Remote Amperage Control
Set Switch Set Desired Max.
Amperage For Application
Press Control To Adjust
Amperage
Control Setting
Unit Minimum
In Example:
Min = 30 A In Range A or 40 A
In Range B (Unit Minimum)
Max = 95 A In Range A or 200 A
In Range B (Control Setting)
Set Switch Control Setting
Does Not Matter
Press Control To Adjust
Amperage
Unit Maximum
In Example:
Min = 30 A In Range A or 40 A
In Range B (Unit Minimum)
Max = 225 A In Range A or 375 A
In Range B (Unit Maximum)
Unit Minimum
OM-826 Page 3
On
Off
. See welding power source
Owner’s Manual to determine
if Remote Foot Control works
as a fine or as full Amperage
control.
4. Adjusting Amperage Or Voltage With Output (Contactor) Control
Ref. ST-159 059
EXAMPLE Of Fine Remote Amperage Or Voltage Control
EXAMPLE Of Full Remote Amperage Or Voltage Control
Set Switches Set Control Press Control To Turn Weld Output On.
Release Control To Turn Weld Output Off.
Control Setting
Unit Minimum
On
Off
Set Switches Control Setting
Does Not Matter
Press Control To Turn Weld Output On.
Release Control To Turn Weld Output Off.
Unit Maximum
Unit Minimum
In Example:
Min = 5 A or 10 V (Unit Minimum)
Max = 200 A or 24 V (Control Setting)
In Example:
Min = 5 A or 10 V (Unit Minimum)
Max = 375 A or 36 V (Unit Maximum)
OR
OM-826 Page 4
5. Routine Maintenance
Everyday
Y Turn Off all power before
maintaining.
Move Control From
Min. To Max.
3 Months
Cord(s)
Replace
Cracked
Parts
Replace
Unreadable
Labels
6. Troubleshooting
Trouble Remedy
No amperage or voltage control. Set switches and controls on welding power source or generator (see Sections 3 and 4*).
Be sure welding power source Power switch is On.
Secure cord connections or replace cords, if necessary.
No output (contactor) control. Set switch on welding power source or generator (see Section 4*).
Be sure welding power source Power switch is On.
Secure cord connections or replace cords, if necessary.
*See welding power source or generator Owner’s Manual.
7. Electrical Diagram
SA-162 462-A
Figure 7-1. Circuit Diagram For RFC-23A
OM-826 Page 5
8. Parts List
DescriptionPart No.
Item No.
1 206 075 PIN, hinge 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 019 662 PEDAL, foot 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 175 972 SPRING, torsion 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 +159 894 CASE SECTION, cover/end 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
085 220 LABEL, caution electric circuit etc 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 053 786 CORD SET, pwr 115V 16ga 2/c 20ft 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 039 618 PLUG, twlk 2P 2W 20A 250V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 035 494 PLUG, twlk grd 2P 3W 15A 250V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 605 797 PLUG, twlk 3P3W 20A 125V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9 178 619 CABLE, pwr 20ft 16ga 3/c 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 217 029 BUSHING, strain relief .280/.470 ID 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11 014 920 CASE SECTION, base/side 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12 019 663 MOUNT, nprn 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13 011 628 SWITCH, limit 15A 125V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14 159 897 SCREW, shld stl sch .250-20 x .437 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15 159 895 BAR, pedal control foot 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16 010 795 ACTUATOR, switch limit 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17 184 179 SPACER, support arm brush 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18 159 892 BRACKET, support arm 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19 159 893 ARM, brush holder 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20 604 432 SCREW, cap stl sch 8-32 x 1.000 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21 018 639 HOLDER, brush 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22 *018 640 BRUSH, contact 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23 161 306 CAP, brush holder 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24 079 625 WASHER, spring stl .500 shakeproof 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25 159 896 SCREW, shld stl sch .312-18 x .375 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26 601 795 BOLT, mach stl hexhd .250-20 x 4.500 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27 172 177 INSULATOR, resistor 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28 175 266 RESISTOR, WW adj 130W 15 ohm 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29 601 855 NUT, weld .250-20 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30 010 322 NUT, 375-00 slip-on plastic acorn 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NAMEPLATE (order by model number) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ref ST-145 917-G
BE SURE TO PROVIDE MODEL AND STYLE NUM
-
BER WHEN ORDERING REPLACEMENT PARTS.
+When ordering a component originally displaying a precautionary la-
bel, the label should also be ordered.
*Recommended Spare Parts.
1
2
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11
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14
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16
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18
19
20
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Miller RFC-23A Owner's manual

Type
Owner's manual
This manual is also suitable for

Miller RFC-23A is a remote foot control device designed to enhance your welding experience by providing precise amperage or voltage control, allowing you to make fine or full adjustments. Whether you prefer amp or voltage control, this device offers both options with ease. Additionally, the RFC-23A features contactor control, enabling you to turn the weld output on and off with a simple press of the control.

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