Lincoln Electric IDEALARC DC-1000 Service Manual page 105

G-3
WiriNG DiaGram - aLL OThEr CODEs (L9008-1)
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
TO GROUND PER
NATIONAL ELECTRICAL
CODE
H1
4
TO
L1
1 7
3 PHASE
H2
5 TO
POWER
L2 2 8
PRIMARY
SUPPLY
6
COILS
3 9
L3
SINGLE OR DUAL VOLTAGE INPUT PANEL
SHOWN CONNECTED FOR LOW VOLTAGE
TO T2
TO GROUND PER
NATIONAL ELECTRICAL
TO
CODE
1CR
T1
H1 6
12
TO
L1 1
7
4
10
3 PHASE H3
POWER
2
L2 8 5
11
SUPPLY
6
3
L3 9
TO PRIMARY COILS
380 VOLTS OR TRIPLE VOLTAGE
INPUT PANEL
N.B.
SHOWN CONNECTED FOR 380 VOLTS
NOTES:
N.B. 10,11, AND 12 CONNECTIONS NOT PRESENT ON TRIPLE
VOLTAGE MACHINES.
N.C. CONNECTIONS TO H2, H3, OR H4 DEPENDS ON INPUT VOLTAGE.
SEE INPUT SUPPLY CONNECTION INSTRUCTIONS.
H4 CONNECTION APPEARS ON 380V AND TRIPLE VOLTAGE
MACHINES ONLY.
N.E. NOT INCLUDED IN ALL MODELS.
CONNECTOR CAVITY NUMBERING SEQUENCE
(VIEWED FROM COMPONENT SIDE OF BOARD)
J4
J3 J6 J2, J7 J1
J5
1
1 1 2 1 3 1 4 1 6 7
4
3 4 6 5 8 6 12 8 14
2
211
211
1CR
STOP
START
SW1
212
271 271
PILOT
R
LIGHT
31
S
1 256
2 3
S
S S 32A
S
S
S
257
203 205 207
31
4 5 6
SECONDARY
THERMOSTAT
S
S
FAN
S
N.E.
MOTOR
206
204 208
7 32A
8 9
215
214
31
4
5
S S S
B
10 11 12
A
7 8
4 215
SEC
SEC
OUTPUT
SNUBBER
P.C. BOARD
G1 GATE LEADS
G3 TO FIRING CIRCUIT
P.C. BOARD
G5
SCR SNUBBERS
SCR
SCR SCR
OUTPUT SHUNT
1 3 5
50 MV
215 210
+ -
SCR SCR
SCR
2 6
4
G6
GATE LEADS
G4 TO FIRING CIRCUIT
G2 P.C. BOARD
OUTPUT CONTROL
CENTER TERMINAL
ON FUSE HOLDER
R1
METER KIT
75
(OPTIONAL)
236
237
N.C.
32A
X1 216
T2 31
H1 NEG
VM
+ -
222 226
H2 216
226
SW3
222
H3
AM
+ -
21
POS
SW2
H4
255 32 76 77
2
210
X2 215
5 7 T.S.2 T.S.3
255
2CR
A B
235
233
1
266
2
3
256 4
229
J2
215 5
257A
6
224
7
73
CHOKE J1
8
238
THERMOSTAT
10
210 1 11
J3
215 2 12
13
CONTROL
14
P.C. BOARD
6
4CR
9
G3
1
217
222 G6 2
R2
G1 3
222
J4
4
G4
5
G5
-
222 6
G2
210
J5
3CR
220 1
A
2
B
3
10
4
B' 11
J7
5
C 12
6
C'
500 AMP
7
OUTPUT A' 8
J6
216 FIRING
CIRCUIT
P.C. BOARD
L1
SW1 INPUT POWER
SW2 ELECTRODE POLARITY
1000 AMP
SW3 OUTPUT CONTROL
OUTPUT
SW4 WELDING MODE
F1
R1
R2 30 OHM, 300 W
R3 10 OHM, 50 W
T1
T2
T3
L1
1CR INPUT CONTACTOR
2CR FAULT PROTECTION RELAY
3CR CURRENT ACTIVATED REED SWITCH
CONTROL CONTROL LIFT INPUT
4CR OUTPUT PILOT RELAY
BOX BALE BOX
BOX
COVER
ELECTRICAL SYMBOLS PER E1537
N.E.
R
CLEVELAND, OHIO U.S.A.
G-3
238
CC
SW4
CVI
CVS
215
266
230 229
221
224
1 221
2 222
3
230
4
5 220
6
7 233
8 T3
74
9 231
ISOLATION
75
TRANSFORMER
226
235
X1
282 282
RED
283 RED
283
X2
H2
256
BLACK
H1
BLACK
255
1 214
2 203
3 206
4 204
5 215
6 215
7 205
8 208
9
207
231
1
Y
2 X
3
Z
4
LEGEND
8 AMP SLOW BLOW FUSE
10K OHM POTENTIOMETER
MAIN POWER TRANSFORMER
CONTROL TRANSFORMER
ISOLATION TRANSFORMER
LOW CURRENT WELDING CHOKE
C
L9008-1PRINT
iDEaLarC ® DC-1000