© 2005 MILLER Electric Mfg. Co.
OWNER’S MANUAL OM-226 439A
September 2005
RHC-14 (300 130) Remote Hand Control For PipePro 450 RFC
1. Safety Symbol Definitions
Warning! Watch Out! There are possible hazards as
shown in the adjoining symbols.
Have only trained and qualified persons install, operate,
or service this unit. Call your distributor if you do not
understand the directions. For WELDING SAFETY and
EMF information, read power source Manual.
Beware of electric shock from wiring. Keep all panels and
covers closed.
Wear safety glasses with side shields.
2. Specifications And Connections
804 369-A
1 RHC-14
2 14-Pin Amphenol Plug
Units are equipped with a 20 ft
(6 m) cord.
A 3-1/4 in
(83 mm)
B 3-3/4 in
(95 mm)
C 3-3/4 in
(95 mm)
B
C
A
1
2
3. Routine Maintenance
Y Turn Off all power before maintaining.
3 Months
Everyday
Replace
Cracked
Parts
Replace
Unreadable
Labels
Cord(s)
Move Control From
Min. To Max.
OM-226 439 Page 2
4. Troubleshooting
Trouble Remedy
No voltage control. Set switches and controls on welding power source (see welding power source Owner’s Manual).
Check weld output on welding power source (see welding power source Owner’s Manual).
Secure cord connections or replace cord, if necessary.
No output (contactor) control. Remote Hand Control switch in wrong position.
Check switch settings and weld output on welding power source (see welding power source Owner’s
Manual).
Secure cord connections or replace cord, if necessary.
5. Circuit Diagrams
226 436-A
RHC-14
OM-226 439 Page 3
6. Parts List
Description
Part
No.
Dia.
Mkgs.
Item
No.
Figure 6-1. Complete Assembly
Quantity
1 +014 417 WRAPPER 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
085 220 LABEL,CAUTION ELECTRIC CIRCUIT 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 070 654 BUSHING,STRAIN RELIEF 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 175 284 CABLE,PORT NO 20 5/C 20’. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 PLG1 215 031 PLUG 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
200 545 STRAIN RELIEF 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 R1 035 897 POT,CP STD SLOT 1T 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 S1 011 609 SWITCH,TGL SPDT 15A 125VAC 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 097 922 KNOB,POINTER 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 130 214 NAMEPLATE 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9 109 974 CASE SECTION,BASE/FRONT/REAR 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+When ordering a component originally displaying a precautionary label, the label should also be ordered.
BE SURE TO PROVIDE MODEL AND STYLE NUMBER WHEN ORDERING REPLACEMENT PARTS.
804 370-A
. Hardware is common and
not available unless listed.
1
4
2
5
6
7
8
9
3
Figure 6-1. Complete Assembly
/