Lincoln Electric IDEALARC IM402-B - Manual (Page 17)

– 17 –
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diag
ram 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. G
ive 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 ME
D
HIGH
SEE TABLE B
ELOW 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. T
HROUGH THE INPUT CABLE PER NATIONAL ELECTRICAL CODE
.
220 440
500
380
HIGH ME
D
LO
W
HIGH
M
ACHINES ARE SHIPPED FROM FACTORY CONNECTED
FOR HIGHEST INPUT VOLTAGE.
H2
H3 H4
GROUNDING SCREW MUST BE CONNECTED TO A GOOD EARTH GROUND
380
LO
W
415
ME
D
N.A. BOLTED CONNECTION ON MACHINES WITH COPPER COILS.
N.A.
S19441
WIRING DIAGRAM - 250 AMP IDEALARC 50 HZ
8-2-90