Lincoln Electric INVERTEC V275-S Service Manual page 102

G-2
WIRING DIAGRAM - ENTIRE MACHINE - CODE 10993, 11001
311
310
313
307
308
309
N.E.
S4
209
H3C
FAN
H1C
H3D
FAN
H1D
C1,C2 SWITCH BOARD CAPACITORS, 2200/500
C3,C4 OUTPUT BY-PASS CAPACITORS, .05/600
CR1 FAN RELAY COIL, 12V DC
D1A,D1B OUTPUT DIODE,
D2A,D2B OUTPUT DIODE,
D3A,D3B OUTPUT DIODE,
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 TRANSFORMER
T2 AUXILIARY TRANSFORMER
T3,T4 CURRENT TRANSFORMER
TP1,TP2,TP3 INPUT MOV, 660V AC
TP4,TP5 OUTPUT MOV, 320V AC
TP6 OUTPUT MOV, 150V AC
NOTES:
N.A. MACHINES WITH RED, BLACK AND WHITE OR BROWN POWER CORDS:
FOR SINGLE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRICAL CODE.
CONNECT BLACK AND WHITE OR BROWN LEADS TO SUPPLY CIRCUIT.
WRAP RED LEAD WITH TAPE TO PROVIDE 600V. INSULATION.
FOR THREE PHASE INPUT: CONNECT GREEN LEAD TO GROUND PER NATIONAL ELECTRIC CODE.
CONNECT BLACK, RED & WHITE OR BROWN LEADS TO SUPPLY CIRCUIT.
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.
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.
ELECTRICAL DIAGRAMS
WIRING DIAGRAM - INVERTEC V275-S
C2
1
3
4
207A 202A
5
J10
201
7
204
201
8
2
204
6
TP3
SWITCH PC BOARD
208
208
205
209
206 203A
205
C1
H1 H1B 382 383
H2
H1A
H4
4 8
CR1
CR1
H6
0 1
6
2
FAN RELA Y
H1D
H1C
204 J5
205
W R
208
204
T3
W
R T4
3
7
6
205
2
201 X8
X1
X3
X6
T1
MAIN
TRANSFORMER
X2
R(T4) 1
W(T4) 6
R(T3) 2
W(T3) 3
310 4
D4
J3
307 5
INPUT J1
313 8
BRIDGE _
308
A1 9
309 7
L1 207A 311 10
C _ F
TP2
CONTROL PC BOARD
L2
207
E
B
TP1
+
L3 209
A
D
H1B
J2
R222 1
J4
W221 2
0.6 AMP
SLOW BLOW
A1 A
208V
H3A
380- 220-
H3
415V 230V
A
440-
H5
460V
575V
N.A.
N.C.
S2B
S2A
H1 H2 H3 H4 H5 H6
PRIMARY RECONNECT SWITCHES
(REAR VIEW)
1 6 2 3 4 5 (SHOWN IN 380-575V POSITION)
320
316 319
H1 H2 H3 H4 H5 H6
N.D.
317 S3
OUTPUT
318
CHOKE
HEAT SINK
OUTPUT RECTIFIER
X4
L1
X7
REACTOR
X8
D1A D1B
X1
X7
D3A D3B
X3
X6
D2A D2B
L2
X5
REACTOR
N.C. PLACE "A" LEAD ON APPROPRIATE CONNECTION FOR INPUT VOLTAGE.
CONNECTION SHOWN IS FOR 575V OPERATION.
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.
R
CLEVELAND, OHIO U.S.A.
1 376
CASE FRONT (REAR VIEW)
2 W
OUTPUT LOCAL
3 THERMAL
4 327
330
- +
5 324 Y
R1
6 B 304A
W B
7 375
8
303
9 377
REMOTE
10 328
11 304
12 330
1 387
2 388
4 316
ARC FORCE
5 320
ON SMAW
7 382
8 375B
383
R2
6 229
304A
324
10 4
11 2
303
12 277
3 OFF
76 GTAW
9 75
HOT
WELD
START
MODE
GND
L4
W or N L1
F
(W) 4
E A 77
2
D B 76
R L2
(V) L5 C
REMOTE
RECEPTACLE
75
B L3
(U)
G
POWER SWITCH
S1
TP6
TP4 TP5
N.D.
C3 C4
S5
L3
384 R3
R4
386
X4
X2
GND
FROM AMPHENOL
CASE
FRONT
LINE CORD
GND2 G
CASE
BACK
BASE
PROTECTIVE BONDING CIRCUIT
COMPONENT VALUE
LEAD COLORING CODE:
UNITS:
B-BLACK U-BLUE
RESISTORS:
G-GREEN W-WHITE
OHMS/WATTS
O-ORANGE Y-YELLOW CAPACITORS:
R-RED N-BROWN
MFD/VOLTS
CONNECTOR PIN NUMBERS:
EXAMPLE: THIS IS PIN 7
1 2 3 7
0F CONNECTOR J5
14
8 1 2 3
J5
LATCH
VIEW OF CONNECTOR ON PC BOARD
ELECTRICAL SYMBOLS PER E1537.
G4365-1
G-2
77
277
W221
R222
8
A
V275-S