Lincoln Electric IMT791 WELD-PAK 5000 HD - Manual (Page 30)

30
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
N.C.
H3
HIGH VOLTAGE
can kill
Only qualified persons should install, use or
service this machine.
Do not operate with covers removed.
Do not touch electrically live parts
Disconnect input power by unplugging
power cord before servicing
CUSTOMER VOLTAGE RECONNECTION FOR DUAL VOLTAGE MACHINE
TO EARTH GROUND
PER NATIONAL, LOCAL
OR OTHER APPLICABLE
ELECTRICAL CODES.
G
N.D.
N.D.
211
THERMOSTAT
M17687
WELD-PAK 5000HD WIRING DIAGRAM
-
+
CONVERSION KIT.
IS PART OF MIG
GAS SOLENOID
H1
(230V)
H3
(208V)
LEAD COLOR CODE:
B-BLACK
W-WHITE
(MOUNTED TO
SEC. COIL)
WIRE
FEED
MOTOR
(MOUNTED TO
DIODE HEATSINK)
CIRCUIT
BREAKER
N.B. DIODES D2,D4,D6 & D8 ARE MOUNTED ON THE INSIDE
HEATSINK, WHICH IS CLOSEST TO THE CENTER PANEL.
S1
ON-OFF
SWITCH
CASE
GROUNDING
STUD
N.C. COMPONENT VIEWED FROM REAR.
93,000 f
N.D. BOLTED ALUMINUM CONNECTIONS REQUIRE T12837 JOINT
COMPOUND (DOW CORNING 340) WHEN REATTACHING.
MACHINE AS SHIPPED FROM FACTORY IS CONNECTED FOR 230V AS SHOWN. TO RECONNECT MACHINE FOR 208V,
FIRST DISCONNECT MACHINE FROM INPUT POWER, THEN REMOVE CASE SIDE, REMOVE LEAD MARKED "H1" FROM CR1. REMOVE TAPE
SECURING H3 LEAD ASSEMBLY TO INPUT CORD. CONNECT H3 TO CR1. INSULATE H1 LEAD (AND ALSO H3 TERMINAL FOR SOLENOID
POWER. RECONNECTION TO 230V IS THE REVERSE OF ABOVE PROCEDURE. SEE INSTRUCTION MANUAL FOR DETAILS.
IF UNUSED) FOR 300V WITH ELECTRICAL TAPE AND SECURE TO INPUT CORD. REINSTALL CASE SIDE BEFORE CONNECTING INPUT
REV 3/97
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 spé-
cial est collé à l'intérieur de la machine sur un des pan-
neaux 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.