– 16 –
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
INPU T
LEADS
RECONNECT
PANEL
OPTIONAL POWER
FACTOR CAPACITORS
MOTOR
X1
X2
X3
X4
FAN
MTR
LINE
SWITCH
RECTIFIE R
OVERLOAD
THERMOSTAT
POWE R
RECTIFIE R
SUPPRESSOR
CIRCUI T
ARC POLARITY SWITCH
(LOOKING FROM INSIDE MACHINE)
WORK
ELECTRODE
STABILIZER
CIRCUI T
CHOKE
AC1
AC2
(+)
(- )
ELECTRICAL SYMBOLS PER E1537.
P.F. CAP LEAD -HIGH
P.F. CAP LEAD -MED
INPUT VOLTS
INPUT VOLTS
RECONNECT PANEL LEAD POSITION
CONNECTIONS MUST BE TIGHTENED SECURELY.
H5
H5
SEE TABL E
BELOW FOR
CORRECT
CONNECTION
208/230/460
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.
GROUNDING SCREW ( ) MUST BE CONNECTED TO A GOOD EARTH GROUND
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 .
HIGH
MED
LOW
208
2
30
230
460
460
575
LOW
M
ED
HIGH
MACHINES ARE SHIPPED FROM FACTORY CONNECTED
FOR HIGHEST INPUT VOLTAGE.
LOW H2
MED H3
HIGH H4
INPUT VOLTS
H5
LOW
M
ED
HIGH
230/460/575
2
00
400
P.F. CAP LEAD -HIGH
200/400 (50/60 HZ)
60 HZ
6
0 HZ
S19343
WIRING DIAGRAM - 250 AMP IDEALARC 60 HZ & 50 / 60 HZ
8-2-90
