Lincoln Electric MIG-PAK 15 Operator's Manual page 57

MIG PAK 15 WIRING DIAGRAM
CUSTOMER VOLTAGE RECONNECTION FOR DUAL VOLTAGE MACHINE
MACHINES ARE SHIPPED FROM FACTORY CONNECTED FOR 230V AS SHOWN. TO CONNECT WELDER FOR
208V INPUT, DISCONNECT WELDER FROM INPUT POWER, REMOVE CASE SIDE, REMOVE LEAD MARKED "H1"
FROM CR1. REMOVE TAPE SECURING H3 LEAD ASSEMBLY TO INPUT CORD AND CONNECT H3 TO CR1.
INSULATE UNUSED H1 TERMINAL LEAD FOR 300V WITH ELECTRICAL TAPE AND SECURE TO INPUT CORD.
REINSTALL CASE SIDE BEFORE CONNECTING INPUT POWER. RECONNECTION TO 230V IS REVERSE OF
ABOVE PROCEDURE. SEE INSTRUCTION MANUAL FOR DETAILS.
208V/60HZ
GAS
SOLENOID
230V/60HZ
24V
FAN MOTOR
WINDING
AUXILIARY
TO EARTH GROUND
PER NATIONAL, LOCAL
OR OTHER APPLICABLE
ELECTRICAL CODES.
G
CASE
GROUNDING
STUD
N.A. DIODES D1,D3,D5 & D7 ARE MOUNTED
ON THE OUTSIDE HEATSINK.
N.B. DIODES D2,D4,D6 & D8 ARE MOUNTED ON THE INSIDE
HEATSINK, WHICH IS CLOSEST TO THE CENTER PANEL.
N.C. COMPONENT VIEWED FROM REAR.
N.D. BOLTED ALUMINUM CONNECTIONS REQUIRE T12837 JOINT
COMPOUND (DOW CORNING 340) WHEN REATTACHING.
CONTROL P.C. BOARD
H2
LS1
H2
H2
N.O. 1 2
209
CR1
H1 541
H3
H1 H3
(230V) (208V)
H2
211
211
214
214
N.C.
S1
ON-OFF
H3 H1
SWITCH
X6
X5
X4
CIRCUIT
X3
H2 X2
BREAKER
T1
SELECTOR
SWITCH
HIGH VOLTAGE
can kill
JUMPERED PLUG STANDARD
SPOT/STITCH TIMER OPTIONAL
J1
J3
4 3
3 4 5 6 7 8 9
10
214
213 208 203
211
214 204 539
WIRE SPEED
5K
R2
208
203
204
204
204
D1 204
D5
204
204
D2 D6
X1
N.A. C1
N.D.
202
N.B.
S2
D4
D8
203
D3 D7
203
203
203
ELECTRICAL SYMBOLS PER E1537
LEAD COLOR CODE:
B-BLACK
W-WHITE
57
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.
LATCH
J1
1 2 3 4 5
J3
2 1
9 10
4 3 2 1 6 7 8
213
CAVITY NUMBERING SEQUENCE
( COMPONENT SIDE OF BOARD )
213A
THERMOSTAT
N.C.
GUN TRIGGER
(MOUNTED TO
SEC. COIL)
213
209
211
THERMOSTAT
(W)
539 -
(MOUNTED TO
DIODE HEATSINK)
+
541
(B)
OUTPUT
+
CHOKE
GUN CABLE
CONDUCTOR
93,000 f BLOCK
N.D.
40V
203
-
TO
WORK
LATCH
WIRE
FEED
MOTOR
9-20-96F
M17879