Lincoln Electric IDEALARC SVM 122-A - Manual (Page 109)

G-2 ELECTRICAL DIAGRAMS
IDEALARC DC400
Wiring Diagram (Codes 9847, 9848)
L9106 12-9-94F
H2 H3 H4
ELECTRICAL SYMBOLS PER
1
1
2
4
3
1
6 PIN
4 PIN
8 PIN
12 PIN
J6
J3
J2
CONNECTOR CAVITY NUMBERING SEQUENCE (COMPONENT SIDE OF P.C. BOARD)
NOTES
225
4
2
31
32
75
76
77
225
TS1
TS2
C6 .0047MFD/1400V
10K /2W
ARC FORCE CONTROL
S4C ACTUATED IN CC ONLY S4D ACTUATED
218
204
208
209
R5
228
204 219 217
204
GREEN
216
CHOKE OUTPUT
L1
MODE SWITCH
S4A
CC
CC
S4B
F
3
2
1
S
216
R1
219
15 /100W
ARC CONTROL
CONTROL BOARD
1 2 3 4 5 6
J6
STARTING
BOARD
P6
225
VM
206 231
+ + - -
224 224
75
211
R4
10K /2W
OUTPUT CONTROL
S2
OUTPUT CONTROL
SWITCH
32A
76
212
211
213
77
S3 SWITCH
32 4
SWITCH
MULTI-PROCESS
OPTIONAL
+ -
WORK ELECTRODE
4
2
TO NEG. TERM.
TO POS.
TERM.
232
PILOT LIGHT
SWITCH POWER
S1
225
P2
209 214 217 204 206 206 208
1 2 3 4 5 6 7 8 9
J2
10 11 12
205 205 212 75 213
J1
8 7 6 5 4 3 2 1
201 202 203 204
4
P1
1
2
3
4
J3
P3
AUXILIARY
10 7 4 1 16
P5
1 2 3 4 5 6 7 8
J5
SNUBBER
BOARD
204
GREEN
224 225 223 222 221 220
D1
D2
D3
SCR1
SCR2
D4
204
G3 G2 G1
204
204
205
206
216
215
CR3
SHUNT
SWITCH
REED
204
RECTIFIER ASSEMBLY
C1 C2 C3 C4 C5
+ + + + +
31,000MFD 50V EACH
254
204
0.5 /50W 0.5 /50W
10A SLOW BLOW
R7 R8
F2
OPTION
T1 MAIN TRANSFORMER
CAPACITOR DISCHARGE
RELAY
CR4
4
231
231
115V
X2
X1
232
31 32A
CONTACTOR
CR1
X1 233
TO SUPPLY
LINES
H4
4 5 6
9 8 7
11
12
21V
18 3 6 9
S
S
S
X2 SEC
X1 SEC
X3 SEC
17 2 5 8
201
FAN MOTOR
H1
CONNECT OR INPUT CONNECTION
DISCHARGE
CAPACITOR
+-
S5
SCR3
202
203
1 5
6 7 8
31 32 228 215 218
N.C. N.O. N.C. N.O.
METERS
(SHOWN CONNECTED FOR 220 V.)
TO GROUND PER NATIONAL
ELECTRICAL
CODE
H2
H3
11
3 2 1
CONTACTOR
CR1
X1
233
TO SUPPLY
LINES
H1
(SHOWN CONNECTED
RECONNECT PANEL
H2
H3
TO PRIMARY COILS
COILS
TO PRIMARY
232
CONTACTOR
CR1
X1
233
TO SUPPLY
LINES
4 5 6
9 8 7
H1
3 2 1
H2
H3
232
N.B.
220/380/440 VOLTAGE
N.A.
380/500 V.
N.B.
N.A.
H2 H3 H4
E1537
1
5 6 4
3 2
1 2 3 4 5 6
2 3 4
2 3 4
7 8 9 10 11 12
6 PIN
4 PIN
12 PIN
J6
J3
J2
CONNECTOR CAVITY NUMBERING SEQUENCE (COMPONENT SIDE OF P.C. BOARD)
4
2
31
32
75
76
77
TS2
218
204
208
209
R5
214
218 234
217
216
CHOKE OUTPUT
L1
FRONT GANG S4A
CC
CC
S4B
F
3
2
1
S
216
234
SWITCH
CONTROL BOARD
1 2 3 4 5 6
J6
STARTING
BOARD
P6
225
AM
206 231
+ + - -
224 224
210 R4
OUTPUT CONTROL
76
212
210
211
213
77
+ -
WORK ELECTRODE
4
2
TO TERM.
STRIP
232
PILOT LIGHT
SWITCH POWER
S1
225
209 214 217 204 206 206 208
1 2 3 4 5 6 7 8 9
J2
10 11 12
205 205 212 75 213
J1
8 7 6 5 4 3 2 1
201 202 203 204 225 220
1
2
3
4
J3
COILS
PRIMARY
TOP
10 7 4 1
BOTTOM PRIMARY
P5
1 2 3 4 5 6 7 8
J5
SNUBBER
BOARD
204
GREEN
224 225 223 222 221 220
D1
D2
D3
SCR1
SCR2
D4
204
G3 G2 G1
204
204
205
206
216
215
CR3
SHUNT
SWITCH
REED
RECTIFIER ASSEMBLY
C1 C2 C3 C4
+ + + + +
31,000MFD 50V EACH
254
204
0.5 /50W 0.5 /50W
10A SLOW BLOW
R7 R8
F2
OPTION
CAPACITOR DISCHARGE
RELAY
CR4
4
231
231
115V
X2
204
115V
11
12
3 6 9
X2 SEC
X1 SEC
X3 SEC
2 5 8
201
INSULATE AS
T2 CONTROL
DIAGRAM
DISCHARGE
CAPACITOR
+-
S5
SCR3
202
203
1
6
7 8
32 228 215 218
10 12
FLEX LEAD
JUMPER
230/400 VOLTAGE
T0 PRIMARY COILS
11 10 12
W V u
L1
L2
L3
18 17 16
3 2 1
W V U
L1
L2
L3
L1
L2
L3 W V U
41
42
42
2
41
41
SECONDARY
PRIMARY
CIRCUIT BREAKER
42A
42V S
241
115V
S
21V
31
41
21
75
76
77 4 2
32
N.A.
42
51
52
50
2A
CIRCUIT BREAKER
S
220V
N.C.
41
9
10
2
240
Y
42
LIGHT
MIN. IND. (5)
MAX. IND.
(1)
N.A. CIRCUITRY PRESENT ON
CAPACITOR DISCHARGE ONLY.
N.B. TAPE UP SEPARATELY
TO PROVIDE AT LEAST 600 V INSULATION.
N.C. 220V WINDING, PLUG
50/60 HERTZ WELDER.
10A CIRCUIT BREAKER
W
233
233
10AMP
THERMOSTAT
THERMOSTAT
N.B.
N.D.
21V
N.D. 31 AND 32 ARE NOT
PRESENT ON EUROPEAN MODELS.
TERMINALS
2
CONTACTOR
CR1 U V W
X1
233
4
5 6
9 8
7
H1
3 2 1
H2
H3
COILS TO PRIMARY
232
CONTACTOR
CR1
U V W
X1
233
TO SUPPLY
LINES
H1
3 2 1
232
H2
H3
N.B. N.B.
L1
L2
L3 TO SUPPLY LINES
L1
L2
L3
RECONNECT PANEL
1 2 3
FOR 380 V.)
RECONNECT PANEL
RECONNECT PANEL
DOES NOT APPEAR ON THIS CONNECTION
H1
1
5
6 7 8
1
5
6 7 8
10 PIN
J5
J1
10 9
AND CIRCUIT BREAKER ARE PRESENT ONLY ON
STUD GROUNDING
LEAD NOT PRESENT WITH DIODE OPTION
DIODE OPTION
N.E.
N.E. CIRCUITRY PRESENT ON
DIODE OPTION ONLY.
THERMAL
PROTECTION
TRANSFORMER
SHOWN ON
21 224
VOLTMETER
SWITCH
S6
21
225
+ R3 R2
227
204
R3 R2
7.5 /100W
40 /50W
OUTPUT
CV-FCAW/GMAW
CV-SUB ARC
CV-FCAW/GMAW
CV-SUB ARC
ONLY
CV-FCAW/GMAW
220/380/440V AND
230/400V MACHINES
TO GROUND PER NATIONAL
(SHOWN CONNECTED
FOR 230 V.)
TO GROUND PER NATIONAL
TO GROUND PER NATIONAL
DUAL & SINGLE VOLTAGE
UNDER 346 VOLTS
(SHOWN CONNECTED FOR
LOW VOLTAGE)
CODE
SINGLE VOLTAGE OVER
345 VOLTS
TO GROUND PER NATIONAL ELECTRICAL
ELECTRICAL CODE
ELECTRICAL CODE
ELECTRICAL CODE
205 206
G-2
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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.