Lincoln Electric IMt793 MIG-PAK 15 - Manual (Page 40)

40
M20141
A
ELECTRICAL SYMBOLS PER E1537
CAVITY NUMBERING SEQUENCE
( COMPONENT SIDE OF BOARD )
539
541
213
GUN TRIGGER
THERMOSTAT
208
5K
WIRE SPEED
R2
(W)
(B)
N.C.
209
214
211
WINDING
24V
AUXILIARY
FAN MOTOR
H2
541 204
203 209 208
539
213
214
1 2 3 4
LATCH
5
6 7 8 9 10 1 2 3 4 5 6 7 8 9 10
GAS
SOLENOID
CONTROL P.C. BOARD J1
CR1
H1
H2
LS1 H2
H2
D3
204
204
204
203
203
203
C1 40V
203
204
GUN CABLE
CONDUCTOR
BLOCK
TO
WORK
T1 N.B.
N.A.
X1
202 X2
S2
SELECTOR
SWITCH
OUTPUT
CHOKE
X4
X5
+
H1
N.A. DIODES D1,D3,D5 & D7 ARE MOUNTED
ON THE OUTSIDE HEATSINK.
D1 D5
D2 D6
D7
D4 D8
X3
X6
204
204
203
203
H2
N.O.
208V/60HZ
H3
230V/60HZ
H3
TO EARTH GROUND
PER NATIONAL, LOCAL
OR OTHER APPLICABLE
ELECTRICAL CODES.
G
N.D.
N.D.
211
THERMOSTAT
+
-
H1
(230V)
H3
(208V)
LEAD COLOR CODE:
B-BLACK
W-WHITE
(MOUNTED TO
SEC. COIL)
(MOUNTED TO
DIODE HEATSINK)
WIRE
FEED
MOTOR
CIRCUIT
BREAKER
N.B. DIODES D2,D4,D6 & D8 ARE MOUNTED ON THE INSIDE
HEATSINK, WHICH IS CLOSEST TO THE CENTER PANEL.
CASE
GROUNDING
STUD
N.C. COMPONENT VIEWED FROM REAR.
S1
ON-OFF
SWITCH
93,000 f
N.D. BOLTED ALUMINUM CONNECTIONS REQUIRE T12837 JOINT
COMPOUND (DOW CORNING 340) WHEN REATTACHING.
J1
A
N.C.
A
WARNING
HIGH VOLTAGE
can kill
Only qualified persons should install,
Do not operate with covers removed.
Disconnect input power by unplugging
Do not touch electrically live parts
use or service this machine.
power cord before servicing.
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.
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.
NOTA: Ce schéma n'est donné qu'à titre de référence. Il
peut ne pas être exact pour toutes les machines
traitées dans ce manuel. Le schéma particulier
pour un code spécial est collé à l'intérieur de la
machine sur un des panneaux du boîtier.
NOTA: Este diagrama es sólo para referencia. Es posible
que no sea exacto para todas las máquinas que se
mencionan en este manual. El diagrama específico
para su máquina se localiza dentro de la misma, en
uno de los páneles.