OWNER’S MANUAL
OM-245 021A
2009−10
RFCS - RJ45 Foot Control
1. Safety
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury. The possible ha-
zards are shown in the adjoining symbols or explained in
the text.
Breathing welding fumes and gases can harm your
health. Welding requires good ventilation. If ventilation is
impossible, such as when welding in a confined space,
use an air-supplied respirator.
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury. The possible ha-
zards are shown in the adjoining symbols or explained in
the text.
Welding sparks can cause fire or explosion. Move flam-
mables away. Do not weld on closed tanks or barrels −
they can explode. Clean tanks or barrels properly.
NOTICE
Indicates statements not related to personal injury.
Indicates special instructions.
Arc rays can burn eyes and skin − wear a welding helmet
with correct filter, and cover exposed skin with nonflam-
mable clothing.
Beware of electric shock from welding electrode or wiring.
Touching the electrode while in contact with the work or
ground can cause electric shock. Always wear dry
gloves. Keep all panels and covers closed.
Wear safety glasses with side shields.
2. Typical Connections
805 465-A
1 Welding Power Source Foot
Control Receptacle
2 Strain Relief (Optional
Installation)
3 Cord
4 Foot Control
If desired, route cord through strain
relief. Remove screw as shown
from welding power source, and
use screw to secure strain relief.
Plug one end of cord into receptacle
on welding power source. Plug
remaining end into receptacle on
back of foot control.
Tools Needed:
1
3
2
4
Torx T25
OM-245 021 Page 2
3. Operation
805 469-A232 896
1 Material Switch
! Do not use AC output in
damp areas, if movement is
confined, or if there is dan-
ger of falling. Use AC output
ONLY if required for the
welding process, and then
use a remote control.
! Do not change position of
switch while welding or
while under load.
Use switch to select DC for steel,
stainless steel, and chrome-moly,
or AC for aluminum applications.
2 Material Thickness/Amperage
Control
Use control to select material thick-
ness and corresponding amper-
age.
When Material switch is in the DC
position, use the blue scale to se-
lect the appropriate material thick-
ness and corresponding amperage
from the white scale. When Material
switch is in the AC position, use the
gray scale to select the appropriate
material thickness and correspond-
ing amperage from the white scale.
Set maximum desired amperage.
The maximum amperage available
when using the foot control will be
the value the Amperage control dial
is set at.
3 Foot Control
Press pedal lightly to turn weld
output and gas flow on. Press pedal
further to increase weld output.
Raise pedal to reduce amperage,
crater-out, and turn off weld output
and gas flow.
3
2
1
4. Troubleshooting
Trouble Remedy
No weld output Be sure foot control cord is plugged into matching receptacles on welding power source and back of
foot control.
Not enough weld amperage Set weld amperage to highest desired value on welding power source Material Thickness/Amperage
control. Amperage available with foot control is 10 amps to max value set on Thickness/Amperage
control.
5. Parts
Description
Part
No. Quantity
245 589 RFCS−RJ45 FOOT CONTROL (HOBART) (INCLUDES) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
245 044 RFCS−RJ45 FOOT CONTROL (PEDAL ONLY) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
237 676 CABLE CONNECTING, W/CONNECTORS 14 FT 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
235 493 CLAMP, STL CUSH .187 DIA X .281 MTG HOLE ZINC PLD 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Miller RFCS - RJ45 FOOT CONTROL Owner's manual
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