Lincoln Electric IM803-B WIRING DIAGRAM - RED-D-ARC ES275i

F-3
WIRING DIAGRAMS
F-3
ES 275i
WIRING DIAGRAM- CODES: 11266
R2
ARC FORCE
WELD
MODE
OFF
328
327
304
SMAW
GTAW
VIEW OF CONNECTOR ON PC BOARD
ELECTRICAL SYMBOLS PER E1537.
OHMS/WATTS
COMPONENT VALUE
UNITS: RESISTORS:
MFD/VOLTS
CAPACITORS:
8
LATCH
0F CONNECTOR J5 EXAMPLE: THIS IS PIN 7
32
LEAD COLORING CODE: B-BLACK
21
8
G-GREEN O-ORANGE R-RED
CONNECTOR PIN NUMBERS:
7
14
U-BLUE Y-YELLOW W-WHITE
1
3
J5
R4
G4365-5
A
WIRING DIAGRAM - RED-D-ARC ES275i
ON
HOT
START
Y
THERMAL
+
-
WB
3
2
6
7
PRI-OUT
PRI-IN
SEC
BOOST
TP1
INPUT
BRIDGE
_
+
D
E
B
CF
A
_
POWER SWITCH
W
B
R1
OUTPUT
376
375
377
TP2
TP3
380- 415V
575V
220- 230V 440- 460V
208V
0.6 AMP
SLOW BLOW
SEC
BOOST
PRI-IN
PRI-OUT
BASE
CASE
FRONT
PROTECTIVE BONDING CIRCUIT
375B
375B
324
H2
18V
U
W
1
303
304A
H1 H3H4 H5 H6
FAN
FAN
CR1
CR1
48
01
26
H1A
63524
H2H1 H3H4 H5 H6
H1 H2
H4 H6
H3 H5
H3A
H3A
H3C H3D
H1D
H1C
H1C
H1B
H1D
FAN RELAY
R
207
209
A1
H1B
A1 A
A
N.C.
209
208
204 201
205
206 203A
207A 202A
77
76
75
SWITCH PC BOARD CONTROL PC BOARD
CASE BACK
GND2 G
GND1
LINE CORD
208
204
201
205
SHUNT
X4
X2
X4
L1
X2
X7
X8
X5
X6
X1
X3
REACTOR
L2
REACTOR
MAIN
TRANSFORMER
RIGHT
LEFT
207A
382 383
388
387
REMOTE
RECEPTACLE
R3
386
385
384
201
205
204 208
WR
C2
C1
207A
202A
206
203A
209
R222
W221
L4
L5
CASE FRONT (REAR VIEW)
TP4
C4
C3
TP6
TP5
W
R
T1
T4
T3
AUXILIARY
TRANSFORMER
T2
229
376
W
327 324
B
375 303
R(T4) R(T3)
W(T4)
310 307 308 313
J10
J3
J4
377 328 304 330
1
2
3
4
6
5
1
2
3
4
6
5
7
8
9
10
11
12
309 311
9 8
7
10
387 388 316 320 382 383 229
380
J2
277
76 75
1
2
4
5
8
7
6
12
3
9
R222 W221
1
2
10
11
J1
318
317
S4
L1
L2
L3
L1
L2
L3
(W)
(V)
(U)
W(T3)
S1
D4
J5
B
A
C
380
LOCAL
REMOTE
304A
330 77
277
202
206
203A
202
202A
203
203
207
PRIMARY RECONNECT SWITCHES
(REAR VIEW)
(SHOWN IN 380-575V POSITION)
S2A S2B
311 310 308 313 307 309
1 4
2 7
8
6
5
3
204
205
C1,C2 SWITCH BOARD CAPACITORS, 2200/500 C3,C4 OUTPUT BY-PASS CAPACITORS, .05/600 CR1 FAN RELAY COIL, 12V DC D4 INPUT RECITIER BRIDGE L1,L2 OUTPUT REACTOR L3 OUTPUT INDUCTOR (CHOKE) L4,L5 RF TOROID CHOKES R1 OUTPUT CONTROL POTENTIOMETER,10K/2 R2 ARC FORCE POTENTIOMETER, 10K/ 2 R3,R4 OUTPUT LOAD RESISTORS, 100/25 S1 INPUT POWER SWITCH S2A,S2B RECONNECT SWITCHES S3 OUTPUT RECTIFIER HEATSINK THERMOSTAT S4 SWITCH BOARD HEATSINK THERMOSTAT S5 CHOKE THERMOSTAT T1 MAIN TRANS FORM ER T2 AUXILIARY TRANSFORMER T3,T4 CURRENT TRANSF ORMER TP1,TP2,TP3 INPUT MOV, 660V AC TP4,TP5 OUTPUT MOV, 320V AC TP6 OUTPUT MOV, 150V AC
N.E.
NOTES:
N.A. MACHINES WITH RED, BLACK AND WHITE POWER CORDS:
FOR SINGLE PHASE INPUT:
CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRICAL CODE.
CONNECT BLACK AND WHITE LEADS TO SUPPLY CIRCUIT. WRAP RED LEAD WITH TAPE TO PROVIDE 600V. INSULATION.
FOR TH
REE PHASE INPUT:
CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE.
CONNECT BLACK, RED & WHITE LEADS TO SUPPLY CIRCUIT.
N.C. PLACE "A" LEAD ON APPROPRIATE CONNECTION FOR INPUT VOLTAGE. CONNECTION SHOWN IS FOR 575V OPERATION.
N.B. SINCE COMPONENTS OR CIRCUITRY OF A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY HAVING A COMMON CODE NUMBER.
N.D. CHOKE THERMOSTAT AND LEAD #319 NOT PRESENT ON EARLIER MODELS. N.E. LEADS #308 AND #309 MAY BE INTERCHANGED IN J10 CONNECTOR PINS 2 AND 6.
N.A.
G
B
C3
G
+
-
WB
X7
X6
X8
X5
X1
X3
OUTPUT RECTIFIER PC BOARD
L3
OUTPUT
CHOKE
316
S3
318
317
S5
319
320
N.D.
N.D.
B1
HEAT SINK
B2
B3
B4
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. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number..