May
1983
FORM:
OM-869
Effective
With
Style
No.
JD-23
MODEL
RDC
PS-i
RDC
PS-2
OWN
ERS
MANUAL
AuHER
MILLER
ELECTRIC
MFG.
CO.
718
S.
BOUNDS
SI,
P.O.
Box
1079
APPLETON,
WI
54912
USA
01
NWSA
CODE
NO.
4579
PRINTED
IN
U.S.A.
T~&
~
LIMITED
WARRANTY
EFFECTIVE:
JUNE
1.
1979
This
warranty
supersedes
all
previous
MILL
ER
warranties
arid
is
ex
clusive
with
no
othe.r
guarantees
or
wrirranlies
expressed
oi
implied.
LIMITED
WARRANTY
-
Subject
to
the
terms
and
conditions
As
a
mOtter
of
qurreral
policy
oriiy,
Miller
may
honor
claims
hereof,
Miller Electric
Mfg.
Co.,
Appleton,
Wisconsin
warrants
submitr,ed
by
Ure
original
usur
within
the
foregoing
penods.
~
to
its
Distributor!
Dealer
that
all
new
and
unused
Equipment
.
(
furnished
by
Miller
is
free
from
detect
in
workmanship
and
In
the
case
of
Millers
breach
of
warranty
or
any
other
duty
material
as
of
the
time
and
place
of
delivery
by
Miller.
No
war-
with
respect
to
the
quality
of
any
goods,
the
exclusive
remedies
ranty
is
made
by
Miller
with
respect
to
engines,
trade
~c
therefore
shall
be,
ai
Millers
option
(11
repair
or
121
replacement,
cessories
or
other
items
manufactured
by
others
Such
or,
where
authorized
in
writing
by
Miller
in
appropriate
Æases,
131
engines,
trade
accessories
and
other
items
ore
sold
sublcct
to
the
reasonable
cost
of
repair
or
replacement
at
an
~uthorized
~
the
warranties
of
their
respective
manufacturers,
if
any
.
All
Miller
service
station
or
(4)
payment
of
or
credit
for
the
purchase
engines
are
warranted
by
their
manufacturer
for
one
year
from
price
less
r~asonable
de~reciation
based
upon
actual
usel
upon
date
of
Original
purchase.
return
of
the
goods
at
Customers
risk
and
expense.
Upon
receipt
of
notice
of
apparent
defect
or
failure,
Miller
shalT
instruct
the
clai-
-
Except
as
specified
below
Millers
warranty
does
not
apply
mant
on
the
warranty
claim
procedures
to
be
followed.
to
components
having
normal
usetul
life
of
less
than
one
Ill
.
-
year,
such
as
spot
welder
tips,
relay
and
contactor
posits,
ANY
EXPRESS
WARRANTY
NOT
PROVIDED
HEREIN
AND
~
MILLERMATIC
parts
that
come
in
contact
with
the
welding
ANY
IMPLIED
WARRANTY,
GUARANTY
OR
REPRESENTA-
.
wire
including
nozzles
and
nozzle
insulators
where
failure
does
,
TION
AS
TO
PERFORMANCE,
,AND
ANY
REMEDY
FOR
~
not
result
from
defect
in
workmanship
or
material.
BREACH
OF
CONTRACT
WHICH,
BUT
FOR
THIS
PROVISION,
~,
MIGHT
ARISE
BY
IMPLICATION,
OPERATION
OF
LAW,
Miller
shall
be
required
to
honor
warranty
claims
on
war
CUSTOM
OF
TRADE
OR
COURSE
OF
DEALING,
INCLUDING
ranted
Equipment
in
the
event
of
failure.resultingfrom
a
defect
.
ANY
IMPLIED
WARRANTY
OF
MERCHANTABILITY
OR
OF.
~
within
the
following
periods
frOm
the
date
of
delivery
of
Equip-
FITNESS
FOR
PARl
ICULAR
PURPOSE,,
WITH
RESPECT
TO
,
ment
to
the
original
user:
ANY
AND
ALL
EQUIPMENT
FURNISHED
BY
MILLER
IS
EX.
-
.
.
,
CLUDED
AND
DISCLAIMED
BY
MILLER.
.
1.
Arc
welders,
power
sources
and
components
- .
1
year
2.
Original
main
power
rectifiers
3
years
EXCEPT
AS
EXPRESSLY
PROVIDED
BY
MILLER
IN
(labor
-
1
year
only)
.
WRITING,
MILLER
PRODUCTS
ARE
INTENDED
FOR
3.
All
welding
gunsand
feeder/guns
90
days
ULTIMATE~
PURCHASE
BY
COMMERCIAL/INDUSTRIAL
4.
All
other
Millermatic
Feeders
1
yea~
USERS
AND
FOR
OPERATION
BY
PERSONS
TRAINED
AND
5.
Replacement
or
repair
partr~,
exclusive
of
labor
60
days
EXPERIENCED
IN
THE
USE
AND
MAINTENANCE
OF
6.
Battenie~
6months
WELDING
EQUIPMENT
AND,
NOT
FOR
CONSUMERS
OR
~
CONSUMER
USE.
MILLER
WARRANTIES
30
NOT
EXTEN.D
provided,that
Miller
is
notified
in
writinj
within
thirty
(30)
days
TO,
,AND
NO
RESELLER
IS
AUTHORIZED
TO
EXTEND
of
the
date
of
such
failure
i
MILLER
S
WARRANTIES
TO
ANY
CONSUMER
~
-~
~.r
~
~r
,
jr
-~
~
-~,
j~
CAU1
ION
:
J
1January
9,
~
ERRATA
SHEET
After
this
manual
was
printed,
refinements
in
equipment
design
occurred.
This
sheet
lists
exceptions
to
data
appearing
later
in
this
manual.
~
~..~I:L
-
f
.
~~
:~
-
~
..
Amend
Seciion
3
-
1
B~CKGRO1)
CU9~~CONTROLS
(Figure
3
-
1)
When
us~r~g.
the
RD
a~kg
round
~4Jit~ge~parameters
shown
~oi~
th~p
~
faceplateiof
the
welding
powel-Is
Exceec/wg
backgrou~id~voltag
age
we/ding
power
source
Exceedin~g
background
voftage.par
~i.se
violent
and
damaging
conditions
at
the
weld.
~.
~
~
i~.
.
.
The
BACKGROUND
~V.QLI~S
aici
~
T
controls
are
ten-turn
potentiometers
which
pre~~t~e.
backgroi~ndvoltage
and
r~eak
purrent~~ci~r~p
ron-b
the
A
DC-PS.
Clockwise
control
rotation
increase~e
pararne~er
~nd
co~inter
clockwise
~
~~~eter
lfthe.preset
bac~kground
v~lta~e~or
t~se~ij~.
a~?i~b4j4~i
tl~e
wekjing.
povyer~soUrce
~minimum
rating
un
the
remote
mode)
actual
welding
out~u~v~I
th
~i
~
on
the
RDC9PS
If
thepreset
background
votage
is
above
tI~e
weding
power
soui~ce
rir~j~
rat~~~4
4c~e
mode)
actual
yv~lc~jng
~ol~tage
will
be
the
~tting
shown
on~e
RDCPS
¶t,
AMENDMENT
TO
SECTION
5
-
~
___
-
*
~.A~Øpd
FigUre
5-1.
Circuit
D~iagram~Fer
ROC~PS1-~odels
~
-
AC
IN
A2
AC
OUT
~i.
PLC
I
7/44
TEIOO
00
P
~~Fi~ure5~2.
C~r~~
~
F
*
AC
IN
AC
our
-
v
4~4P
RC3riA~\A.
DI
0
C
4
F
AG
CDL
F
Cir~it~i~r~
Quantity
Item
Part
RepIa~ed
Model
No. No.
Witft~
Description
PS-i
PS-2
25
08275
~9
875
CASE
SECTION,
front/bottom/rear
..
!.
1
25
.089
875
~O89~876
CASE
SECTION,
front/bottom/rear
.1
BESURE~rO
PROVID~MODEL
AND
SERIAL
NUMBER
WHEN
ORDERING
REPLACEMENT
PARTS
SECTION
1
-
INTRODUCTION
CAUTION
*PS2
model
illustrated.
Overall
dimensions
same
for
PS-i
models
1
-
1.
GENERAL
INFORMATION
AND
SAFETY
WARNING
____________statements
include
installation,
operating,
and
maintenance
procedures
or
practices
which
if
not
carefully
followed
could
result
in
serious
personal
injury
or
loss
of
life.
Iq~~1lS~I
statements
include
installation,
operating,
and
maintenance
procedures
or
practices
which
if
not
carefully
followed could
result
in
minor
personal
injury
or
damage
to
this
equipment.
IMPORTANT
A
third
signal
word,
_______________
highlights
instruc
tions
which
need
special
emphasis
to
obtain
the
most
efficient
operation
of
this
equipment.
1
-
2.
RECEIVING
-
HANDLING
-
Prior
to
installing
this
equipment,
clean
all
packing
material
from
around
the
unit
and
carefully
inspect
for
any
damage
that
may
have
occurred
during
shipment.
Any
claims
for
loss
or
damage
that
may
have
occurred
in
transit
must
be
filed
by
the
purchaser
with
the
carrier.
A
copy
of
the
bill
of
lading
will
furnished
by
the
manufacturer
on
request
if
occasion
to
file
claim
arises.
When
requesting
information
concerning
this
equip
ment,
it
is
essential
that
Model
Description
and
Serial
(or
Style)
Numbers
of
the
equipment
be
supplied.
A.
General
Information
presented
in
this
manual,
and
on
various
labels,
tags,
and
plates
on
the
unit
pertains
to
equip~
ment
design,
installation,
operation,
maintenance,
and
troubleshooting
which
should
be
read,
understood,
and
followed
for
the
safe
and
effective
use
of
this
equip
ment.
B.
Safety
The
installation,
operation,
maintenance,
and
troubleshooting
of
arc
welding
equipment
requires
practices
and
procedures
which
ensure
personal
safety
1
-
3.
DESCRIPTION
-
The
RDC-PS
is
a
remote
con
trol
with
digital
readout,
designed
to
control
a
PULSTAR
450
welding
power
source
and
a
digital
wire
feeder.
It
provides
the
capability
of
presetting
Background
voltage
to
the
nearest
tenth
of
a
volt
and
peak
pulse
current
to
the
nearest
amp.
The
RDC-PS
displays
the
actual
value
of
the
selected
parameter
upon
arc
initiation.
RDC-PS1
models
can
be
used
to
preset
background
voltage
and
pea
pulse
current
parameters
for
a
single
digital
wire
feeder
or
one
side
of
a
dual
digital
wire
feeder.
RDC-PS2
models
preset
background
voltage
and
peak
pulse
current
parameters
for
both
sides
of
a
dual
wire
feeder.
and
the
safety
of
others.
Therefore,
this
equipment
is
to
be
installed,
operated,
and
maintained
only
be
qualified
persons
in
accordance
with
this
manual
and
all
ap
plicable
codes
such
as,
but
not
limited
to,
those
listed
at
the
end
of
Section
1
-
Safety
Rules
For
Operation
Of
Arc
Welding
Power
Source
in
the
welding
power
source
Owners
Manual.
Safety
instructions
specifically
pertaining
to
this
unit
appear
throughout
this
manual_highlighted
by
the
signal
words
Ii1–t.h~Ih~cI
and
___________
which
identify
different
levels
of
hazard.
4-3/4
in.
(121
mm)
11-3/4
in.
(298mm)
Figure
1
-
1.
Specifications
OM-869
Page
1
Switching~cord
Feeder
115
VAC
Cord
SECTION
2
INSTALLATION
Output
Control
Receptacle
115
VAC/Contactor
Receptacle
I
PS-2
models
only
Figure
2
-
1.
Rear
Panel
View
PULSTAR
450
Rear
View
RDC-PS1
I I
0
Digital
Wire
Feeder
Figure
2
-
2.
RDC-PS1
Installation
Page
2
PULSTAR
450
IMPORTANT
Loosen
the
screws
along
the
top
of
the
wire
feeder
control
box
and
set
the
RDC-PS
on
top
of
the
wire
feeder.
Tighten
securing
screws.
2
-
1.
115
VOLT
AC
CONNECTION
TO
WIRE
FEEDER
(Figures
2-1,
2-2
82-3)
-
Connect
the
four-
socket
plug
from
the
RDC-PS
to
the
four-pin
receptacle
on
the
rear
of
the
wire
feeder.
2
-2.
OUTPUT
CONTROL
CONNECTION
(Figures
2-1
2-2
8
2-3)
-
Connect
the
ten-socket
connector
on
the
supplied
output
control
cord
to
the
ten-pin
recep
tacle
on
the
RDC-PS.
Connect
the
ten-pin
connector
on
the
output
control
cord
to
the
REMOTE
OUTPUT
CON
TROL
receptacle
on
the
PULSTAR
450.
2-3.
115
VAC/CONTACTOR
CONNECTION
TO
WELDING
POWER
SOURCE
(Figures
2-1,
2-2
&
2-3)
-
Connect
the
four-socket
plug
on
the
115
volt/contactor
cord
(supplied
with
the
wire
feeder)
to
the
four-pin
receptacle
on
the
rear
of
RDC-PS.
Connect
the
three-pole
twistlock
plug
on
the
115
volts/contactor
cord
to
the
115
VOLTS
AC
twistlock
receptacle
on
the
PULSTAR
450.
Connect
the
two-pole
twistlock
plug
on
the
115
volts/contactor
cord
to
the
REMOTE
CONTAC
TOR
CONTROL
receptacle
on
the
PULSTAR
450.
2
-4.
SWITCHING
RELAY
CONNECTION
(RDC
PS2 Models
Only)
(Figures
2-1
&
2-3)
-
Connect
the
four-contact
connector
from
the
RDC-PS
to
the
four-
contact
connector
on
the
rear
of
the
dual
wire
feeder.
2
-
5.
REMOTE
CONTROL
RECEPTACLE(S)
(Figures
2-1,
2-2
&
2-3)
-
The
REMOTE
CONTROL
receptacle(s)
is
provided
for
connecting
an
optional
digital
dual
schedule
control.
Connect
the
six-pin
plug
on
the
output
control
cord
from
the
Digital
Dual
Schedule
Control
to
the
REMOTE
CONTROL
recep
tacle.
Digital
Dual
Wire
Feeder
Figure
2
-
3.
RDC-PS2
Installation
OM-869
Page
3
PS-2
Model
Illustrated
SECTION
3
-
OPERATOR
CONTROLS
Peak
Pulse
Current
Figure
3
-
1.
Front
Panel
View*
3
-
1.
BACKGROUND
VOLTAGE
&
PEAK
PULSE
CURRENT
CONTROLS
(Figure
3-1)
-
The
BACKGROUND
VOLTS
and
PEAK PULSE
CURRENT
controls
are
ten-turn
potentiometers
which
preset
the
background
voltage
and
peak
current
welding
parameters
from
the
RDC-PS.
Clockwise
control
rota
tion
increases
the
parameter.
If
the
preset
backbround
voltage
or
peak
pulse
current
is
below
the
welding
power
source
minimum,
actual
welding
output
will
be
the
welding
power
source
minimum
regardless
of
the
preset
value.
If
the
preset
background
voltage
is
above
the
welding
power
source
maximum,
actual
welding
voltage
will
be
the
welding
power
source
maximum.
3
-
2.
DIGITAL
DISPLAY,
DISPLAY
SELECT
SWITCH
&
INDICATOR
LAMP
(Figure
3-1)
-
The
DISPLAY
SELECT
switch
enables
background
voltage
and
peak
pulse
current
to
be
preset
in
turn
and
also
selects
which
parameter
will
be
displayed
during
welding.
The
appropriate
Indicator
lamp
lights
to
show
which
parameter
is
shown
on
the
Digital
Display.
The
Digital
Display
shows
background
voltage
to
the
nearest
tenth
of
a
volt
and
peak
pulse
current
to
the
nearest
amp.
3
-
3.
REMOTE
CONTROL
SWITCH(es)
(Figure
3-1)
-
The
Remote
Control
switch(es)
is
provided
for
selecting
single
scheduling
via
the
RDC-PS
or
dual
scheduling
via
an
optional
Digital
Dual
Schedule
Con
trol.
The
Remote
Control
switch
must
be
in
the
STAN
DARD
position
to
preset
welding
parameters
at
the
RDC-PS.
The
Remote
Control
switch
must
be
in
the
REMOTE
position
to
preset
welding
parameters
from
the
Digital
Dual
Schedule
control
and
to
dual
schedule
welding
conditions.
SECTION
4
-
SEQUENCE
OF
OPERATION
WARNING
_________
ARC
RAYS,
SPARKS,
AND
HOT
SURFACES
can
burn
eyes
and
skin;
NOISE
can
damage
hearing.
Wear
correct
eye,
ear,
and
body
protection.
FUMES
AND
GASES
can
seriously
harm
your
health.
Use
enough
ventilation
to
keep
fumes
and
gases
from
the
breathing
zone.
See
Section
1
-
Safety
Rules
For
Operation
Of
Arc
Welding
Power
Sources
in
the
welding
power
source
Owners
Manual
for
basic
welding
safety
information.
4
-
1.
GAS
METAL
ARC
&
FLUX
CORED-ARC
WELDING
With
RDC-PS1
MODELS
1.
Be
sure
the
unit
has
been
installed
as
instructed
in
Section
2.
2.
Energize
the
welding
power
source
and
wire
feeder.
3.
Place
the
REMOTE
OUTPUT
CONTROL
switch
on
the
welding
power
source
in
the
REMOTE
position.
Remote
Control,
Switch
Display
Peak
Pulse
Current
Control
Receptacle
I
Background
Volts
Control
Background
Volts
Control
Remote
Control
Receptacle
)lsplay
Select
Switch
Page
4
4.
Place
the
Remote
Control
switch
on
RDC-PS1
in
the
STANDARD
position.
5.
Place
the
DISPLAY
SELECT
switch
in
the
BACKGROUND
position
and
rotate
the
BACKGROUND
VOLTS
control
to
the
desiring
setting.
6.
Place
the
DISPLAY
SELECT
switch
in
the
PEAK
position
and
rotate
the
Right
PEAK
PULSE
CUR
RENT
control
to
the
desired
setting
for
peak
cur
rent
on
the
right
side.
7.
Set
desired
wire
feed
speed
for
right
side
on
wire
feeder.
6.
Place
the
DISPLAY
SELECT
switch
in
the
PEAK
position
and
rotate
the
PEAK
PULSE
CURRENT
control
to
the
desired
setting.
7.
Place
the
DISPLAY
SELECT
switch
in
position
to
display
desired
parameter
while
welding.
8.
Set
desired
wire
feed
speed
on
wire
feeder.
IMPORTANT
______________
If
an
optional
Digital
Dual
Schedule
Control
is
used
on
the
right
side,
place
the
Remote
Con
trol
switch
in
the
REMOTE
position
and
set
the
welding
parameters
for
the
second
schedule
on
the
Dual
Schedule
Control.
8.
Depress
the
Left
JOG
switch
(switches
control
and
display
to
Left
side).
IMPORTANT
_____________
If
an
optional
Digital
Dual
Schedule
control
is
used,
p/ace
the
Remote
Control
switch
in
the
REMOTE
position
and
set
the
welding
parameters
for
the
second
schedule
on
the
Dual
Schedule
Control.
9.
Place
the
DISPLAY
SELECT
switch
in
the
BACKGROUND
position
and
rotate
the
Left
BACKGROUND
VOLTS
control
to
the
desired
setting
for
background
voltage
on
the
left
side.
9.
Turn
on
shielding
gas
supply.
10.
Begin
welding.
4
-2.
GAS
METAL-ARC
WELDING
&
FLUX
CORED-ARC
WELDING
USING
RDC-PS2
MOD
ELS
1.
Be
sure
the
unit
is
installed
as
instructed
in
Sec
tion
2.
2.
Energize
the
welding
power
source
and
the
wire
feeder.
3.
Place
the
REMOTE
OUTPUT
CONTROL
switch
on
the
welding
power
source
in
the
REMOTE
position.
10.
Place
the
DISPLAY
SELECT
switch
in
the
PEAK
position
and
rotate
the
left
PEAK
PULSE
CUR
RENT
control
to
the
desired
setting
for
peak
cur
rent
on
the
left
side.
11.
Place
the
DISPLAY
SELECT
switch
in
position
to
display
the
desired
parameter
while
welding.
12.
Set
desired
wire
feed
speed
for
left
side
on
wire
feeder.
I
h~
I
~.
:
V.t~I
~
If
an
optional
Digital
Dual
Schedule
control
is
used
on
the
left
side,
place
the
Remote
con
trol
switch
in
the
REMOTE
position
and
set
the
welding
parameters
for
the
second
schedule
on
the
Dual
Schedule
Control.
13.
Turn
on
shielding
gas
supply.
IMPORTANT
_____________
When
power
is
applied
to
the
dual
wfre
feeder,
the
right
side
controls
on
the
feeder
and
on
the
RDC-PS
are
energized.
14.
Begin
welding.
4
-3.
SHUTFING
DOWN
4.
Place
the
Remote
Control
switch
on
RDC-PS2
in
the
STANDARD
position.
5.
Place
the
DISPLAY
SELECT
switch
in
the
BACKGROUND
position
and
rotate
the
Right
BACKGROUND
VOLTS
control
to
the
desired
setting
for
background
voltage
on
the
right
side.
1.
Turn
off
shielding
gas
supply
2.
Shut
down
wire
feeder
and
welding
power
source.
~
Gases
can
harm
health
or
kill.
Shut
off
gas
supply
when
not
in
use.
SECTION
5
-
MAINTENANCE
&
TROUBLESHOOTING
Troubleshooting
of
internal
parts
to
be
performed
only
by
qualified
persons.
WARNING
__________
ELECTRIC
SHOCK
can
kill.
Do
not
touch
live
electrical
parts.
Disconnect
unit
from
input
power
before
internal
ly
inspecting
or
servicing.
5
-
1.
INSPECTION
AND
UPKEEP
IMPORTANT
_______________
Periodically
inspect
the
labels
on
this
unit
for
legibility.
All
precautionary
labels
must
be
main
tained
in
c/early
readable
state
and
rep/aced
when
necessary.
See
the Parts
List
for
part
number
of
precau
tionary
labels.
OM-869
Page
5
Periodically
inspect
all
interconnecting
cords
for
damage
to
or
breaks
in
the
insulation
jacket,
particularly
at
the
plug.
Repair
or
replace
the
cord(s)
as
necessary.
5
-2.
TROUBLESHOOTING
A.
General
It
is
assumed
that
proper
installation
has
been
made,
ac
cording
to
Section
2
of
this
manual,
and
that
the
unit
has
been
functioning
properly
until
this
trouble
developed.
IMPORTANT:
_____
Ensure
that
all
connections
at
the
wire
feeder
and
remote
control
unit
are
secure
and
that
all
switches
are
in
the
proper
position
for
the
welding
ap
plication
before
proceeding
with
troubleshooting.
B.
Troubleshooting
Chart
The
following
chart
is
designed
to
diagnose
and
provide
remedies
for
some
of
the
troubles
that
may
develop
in
this
unit.
Use
this
chart
in
conjunction
with
the
circuit
diagram
while
performing
troubleshooting
procedures.
If
the
trouble
is
not
remedied
after
performing
these
pro
cedures,
the
nearest
Factory
Authorized
Service
Sta
tion
should
be
contacted.
In
all
cases
of
equipment
malfunction,
the
manufacturers
recommendations
should
be
strictly
followed.
TROUBLE
PROBABLE
CAUSE
SUGGESTED
CHECK
AND/OR
REMEDY
No
Display
Wire
feeder
Power
switch
in
OFF
position
Energize
wire
feeder.
Defective
digital
meter.
Replace
meter
Unable
to
preset
either
background
voltage
or
peak
pulse
current.
REMOTE
OUTPUT
CON-
TROL
switch
on
welding
power
source
in
STAN
DARD.
Place
REMOTE
OUTPUT
CONTROL
switch
in
REMOTE.
Remote
Control
switch
on
RDC-PS
in
REMOTE
without
a
Remote
control
connected.
Place
Remote
Control
switch
in
STANDARD
or
connect
a
remote
control.
Unable
to
preset
background
voltage;
peak
pulse
current
adjustment
available.
BACKGROUND
VOLTS
control
Ri
(or
R3)
defec
tive.
Replace
Ri
(or
R3).
DISPLAY
SELECT
switch
S2
defective.
Replace
S2.
Relays
CR52
or
CR53
defective.
Replay
defective
relay(s).
Unable
to
preset
peak
pulse
current;
background
voltage
adjustment
available.
PEAK
PULSE
CURRENT
control
R2
(or
R4)
defec
tive.
Replace
R2
(or
R4).
DISPLAY
SELECT
switch
S2
defective.
Replace
S2.
Relays
CR52
or
CR53
defective.
Replace
defective
relay(s).
Does
not
display
actual
parameters
while
welding.
115
VAC
connection
to
feeder.
Check
connection.
Relays
CR50
or
CR54
(RDC-PS1
models),
or
CR50
or
CR56
(RDC-PS2
models)
defective.
Replace
defective
relay.
Page
6
14
S
12
P
4
DIGITAL
i~c
METER
F
H
10
L
A
C
Circuit
Diagram
No.
A-089
852
AC
IN
2
AC
OUT
77442
TE1OO
00
0
E
Figure
5
-
1.
Circuit
Diagram
For
RDC-PS1
Models
OM-869
Page
7
AC
IN
AC
OUT
Figure
5
-
2.
Circuit
Diagram
For
RDC-PS2
Models
Circuit
Diagram
No.
B-089
888
77442
TEl
00
00
0
Page
8
May
1983
FORM:
OM
869
PARTS
LIST
Effective
With
Style
No.
JD-23
MODEL
RDC
PS-i
RDC
PS-2
2.
27
30
23
31
23
Figure
A
-
Main
AssembJy
10-091
129
4
Quantity
Model
Item
Dia.
Part
No.
Mkgs.
No.
Description
PS-i
I
PS-2
Figure
A
Main
Assembly
1
PLG51
072
669
HOUSING,
terminal
9
position
1
2
+048
586
WRAPPER
1
1
3
047
497
LABEL,
general
precautionary
1
4
PLG5O
079
748
HOUSING,
terminal
18
position
1
1
5
073
756
STAND-OFF,
No.
6-32
x
5/8
x
1/4
4
4
6
RC1
048
283
RECEPTACLE
W/
PINS
(consisting
of)
1
079
535
.
TERMINAL,
male
4
4
7
R1,2
603
856
POTENTIOMETER,
WWi0turn2watt
10K
ohm
2
7
R1-4
603
856
POTENTIOMETER,
WWl0turn2watt
10K
ohm
4
8
020
577
BUSHING,
strain
relief
1/2
x
15/32
hole
1
9
604
571
CORD,
No.
184/C
(order
by
ft)
3ft
3ft
10
079531
CLAMP,cable
1
1
11
PLG1
048
284
HOUSING
PLUG
&
SOCKETS
(consisting
of)
1
1
079
534
.
TERMINAL,
female
4
4
12
010
476
BUSHING,
strain
relief
5/8
x
.570
hole
1
13
604
108
WIRE,
l8gastranded(orderbyft)
4ft
14
PLG3
056
264
CONNECTOR,
male
4
contact
1
15
089
870
CORD,
interconnecting
lOft
(consisting
of)
1
16
039716
.PLUG,iOpinMS-3106A-i8-1P
1 1
17
073
332
.
CLAMP,
cable
2
2
18
073
140
.CORD,No.
18
10/C
(orderbyft)
lOft
lOft
19
089
647
.
PLUG,
l0socketMS-3106A-i8-1S
1
1
20
RC3
089
646
RECEPTACLE,
10
pin
MS-3102A-18-1P
1
20
RC4
089
646
RECEPTACLE,
i0pinMS-3i02A-18-1P
1
21
601
219
LINK,jumper-terminalblock20amp
2
2
22
TEl
038
839
BLOCK,
terminal
20
amp
5
pole
1 1
23
S1,2
011
770
SWITCH,toggleSPDT5ampi25volts
2
23
S1-3
011
770
SWITCH,toggleSPDT5ampl25volts
3
24
RC2
039
825
RECEPTACLE,6socketMS-3i02A-i8-1P
1
24
RC2,3
039
825
RECEPTACLE,6socketMS-3i02A-18-1P
2
25
089
875
CASE
SECTION,
front/bottom/rear
1
1
26
NAMEPLATE
(order
by
model
&
serial
no)
1
1
27
024
366
KNOB,
pointer
2
4
28
PL1,2
027
645
LIGHT,
indicator-red
lens
125
voltsac
2
2
29
081
798
METER,
digital
1
30
PLG2
028
598
CONNECTOR,
15
socket
edge
1
1
31
089
707
CIRCUIT
CARD,
relay
(consisting
of)
31
089
709
CIRCUIT
CARD,
relay
(consisting
of)
1
CR5O-54
048
028
.
RELAY,
enclosed
120
volts
ac
4PDT
5
CR5O-56
048
028
.
RELAY,
enclosed
120
volts
ac4PDT
7
079
843
.
SOCKET,
mtg-relay
5
048
028
.
SOCKET,
mtg-relay
7
079
844
.
SPRING,
hoiddown-relay
5
7
R50
000
038
.
POTENTIOMETER,
cermet25turnO.5watt2K
ohm
1 1
R51
035827
.RESISTOR,carbonfilm0.25wattl0Kohm
1
1
RC5O
072
670
.
TERMINAL,
header
9
post
1
RC51
079
749
.
TERMINAL,
header
18
post
1
1
+
When
ordering
a
component
originally
displaying
a
precautionary
label,
the
labe
should
also
be
ordered.
BE
SURE
TO
PROVIDE
MODEL
AND
SERIAL
NUMBER
WHEN
ORDERING
REPLACEMENT
PARTS.
OM-869
Page
2
1-
~
/