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WIRING DIAGRAM CENTURY® WIRE FEED™ 100
GAS SOLENOID IS PART OF MIG CONVERSION KIT.
S1
ON-OFF
SWITCH
N.C.
F1
115V/60HZ
115V/60HZ
GAS
FAN MOTOR
SOLENOID
24V
AUXILIARY
WINDING
214
CIRCUIT
BREAKER
CASE
GROUNDING
STUD
TO EARTH GROUND PER
NATIONAL, LOCAL OR
J1
OTHER APPLICABLE
1 2 3 4
ELECTRICAL CODES.
6 7 8 9 10
CAVITY NUMBERING SEQUENCE
( COMPONENT SIDE OF BOARD )
CONTROL P.C. BOARD
H2
LS1
H2
1
2
3
4
H2
N.O.
209
CR1
214
541
H1
H1
S2
SELECTOR
H1
SWITCH
X2
X3
X4
X5
H2
X1
T1
N.A. DIODES D2 & D4 ARE MOUNTED
ON THE OUTSIDE HEATSINK.
N.B. DIODES D1 & D3 ARE MOUNTED
ON THE INSIDE HEATSINK, WHICH
IS CLOSEST TO THE CENTER PANEL.
N.C. COMPONENT VIEWED FROM REAR.
5
N.D. BOLTED ALUMINUM CONNECTIONS
REQUIRE T12837 JOINT COMPOUND
(DOW CORNING 340) WHEN REATTACHING.
LATCH
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.
WARNING
J1
HIGH VOLTAGE
6
5
7
8
9 10
WIRE SPEED
213
208
203
N.C.
5K
204
539
R2
208
209
204
203
204
204
D1
D2
204
202
+
N.B.
C1
N.D.
N.D.
203
N.A.
D4
203
D3
203
ELECTRICAL SYMBOLS PER E1537
LEAD COLOR CODE:
B-BLACK
W-WHITE
41
Do not operate with covers removed.
Disconnect input power by unplugging
power cord before servicing
Do not touch electrically live parts
Only qualified persons should install, use or
service this machine.
can kill
THERMOSTAT
(MOUNTED TO
SEC. COIL)
GUN TRIGGER
213
(W)
-
539
WIRE
FEED
541
+
MOTOR
(B)
OUTPUT
CHOKE
+
TO
WORK
59,000 µf
40V
GUN CABLE
CONDUCTOR
BLOCK
-
A.01
M21946-1
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