– 17 –
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside
the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number..
H1
L1
L2
TO GROUND PER NATIONAL
ELECTRICAL CODE
INPUT
LEADS
RECONNECT
PANEL
OPTIONAL POWER
FACTOR CAPACITORS
MOTOR
X1
X2
X3
X4
FAN
MTR
LINE
SWITCH
RECTIFIER
OVERLOAD
THERMOSTAT
POWER
RECTIFIER
SUPPRESSOR
CIRCUIT
ARC POLARITY SWITCH
(LOOKING FROM INSIDE MACHINE)
WORK
ELECTRODE
STABILIZER
CIRCUI T
CHOKE
AC1
AC2
(+)
(-)
V
1000
5W
150 /100W
LOW
MED
HIGH
SEE TABLE
BELOW FO R
CORREC T
CONNECTIO N
ELECTRICAL SYMBOLS PER E1537.
P.F. CAP LEAD -HIG H
P.F. CAP LEAD -ME D
INPUT VOLTS
INPUT VOLTS
220/380/440
380/500
RECONNECT PANEL LEAD POSITIO N
CONNECTIONS MUST BE TIGHTENED SECURELY.
H5
H5
H5
H5
DO NOT TOUCH ELECTRICALLY "HOT" PARTS SUCH AS OUTPUT TERMINALS
DO NOT OPERATE WITH COVERS REMOVED .
ONLY QUALIFIED PERSONNEL SHOULD INSTALL OR SERVICE THIS EQUIPMENT.
HIGH VOLTAGE
can kill
OR INTERNAL WINDINGS.
TURN THE INPUT POWER TO THE WELDER OFF USING THE DISCONNECT SWITCH
AT THE FUSE BOX BEFORE INSTALLING OR SERVICING THIS MACHINE.
THROUGH THE INPUT CABLE PER NATIONAL ELECTRICAL CODE .
220
440
500
380
HIGH
MED
LOW
HIGH
MACHINES ARE SHIPPED FROM FACTORY CONNECTED
FOR HIGHEST INPUT VOLTAGE.
H2
H3
H4
GROUNDING SCREW MUST BE CONNECTED TO A GOOD EARTH GROUND
380
LOW
415
MED
N.A. BOLTED CONNECTION ON MACHINES
WITH COPPER COILS.
N.A.
S19441
WIRING DIAGRAM - 250 AMP IDEALARC 50 HZ
8-2-90
