Lincoln Electric IDEALARC DC-600 Service Manual page 114

G-4
WiriNG DiaGram - (CODE 9793) (L8752)
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 (230/460/575)
230/460/575V.
(SHOWN CONNECTED
FOR LOW VOLTAGE) TO
SUPPLY
LINES
TO GROUND PER
NATIONAL
9
3
ELECTRICAL
3
6
2
CODE 8
5
2
4
7 1
RECONNECT
1
PANEL
TO PRIMARY COILS
15,14,13 18,17,16
N.A. N.A.
LEGEND
C7 .05 +.05 MFD
F1 8 AMP SLOW BLOW FUSE
R1 10K POT W N.A. 16 S 17
1 31
R2 30 , 100W W
T1
AUX.2
1
T1 MAIN POWER TRANSFORMER
F
PRI.
ALL LEADS
T2 CONTROL TRANSFORMER
F
EXCEPT 203
1CR INPUT CONTACTOR
10, 11, 12 4
2CR FAULT PROTECTION RELAY S
TO INPUT
204 AUX. 1
3CR CURRENT ACTIVATED REED SWITCH
PANEL
4CR OUTPUT PILOT RELAY 13 14
SW1 INPUT POWER 7
SW2 ELECTRODE POLARITY
PRI.
SW3 OUTPUT CONTROL
10
SW4 WELDING MODE (SHOWN IN STICK POSITION)
NOTES:
N.A. TAPE UP SEPARATELY TO PROVIDE AT LEAST
600V. INSULATION.
SEC.
N.B. FOR STICK WELDING OR AIR CARBON ARC
WITHOUT A MULTI-PROCESS SWITCH INSTALLED,
DISCONNECT ALL ELECTRODE, WORK, AND
CONTROL LEADS TO ANY WIRE FEEDERS.
JUMPER 2 TO 4. OUTPUT TERMINALS WILL
NOW BE ENERGIZED. PLACE MODE SWITCH
SEC.
IN VV FOR STICK AND CV (I) FOR AIR
CARBON ARC. SEE OPERATING MANUAL
FOR FURTHER INSTRUCTIONS.
N.C. CENTER TERMINAL OF FUSE HOLDER.
N.D. WELDING CABLE MUST BE OF THE PROPER
CAPACITY FOR THE CURRENT AND DUTY CYCLE
OF IMMEDIATE AND FUTURE APPLICATIONS.
N.E. THIS DIAGRAM SHOWS THE "STICK" POLARITY
"POSITIVE". TO CHANGE THE POLARITY, TURN
THE DC-600 OFF, AND REVERSE THE LEADS AT
THE MULTI-PROCESS SWITCH.
SCR
N.F. USING A WIRE FEEDER, K-317 OR K-318 1
CONNECTION DIAGRAM, CONNECT ELECTRODE
AND WORK LEADS TO THESE TERMINALS
INSTEAD OF THE POWER SOURCE
C
OUTPUT TERMINALS.
OUTPUT
THESE NOTES APPLY ONLY TO DC-600 WITH A
SNUBBER
MULTI-PROCESS SWITCH INSTALLED.
J6 J4 J7
J3
1 1 2
SCR
2
3 4
2
J2 J5 J1
OUTPUT RECTIFIER
ASSEMBLY
CONNECTOR CAVITY NUMBERING SEQUENCE
(VIEWED FROM COMPONENT SIDE OF BOARD)
ELECTRICAL SYMBOLS PER E1537
}
H4
N.A.
H3
H2
H1
272
X1
X1
T2 H1
START VM
STOP + -
211
211
L3
H2
SW1
212
L2
212
255
L1
H3
AM
CR 1 271 -
+
271 X2
7 5
271
CR2
255
B
A
PILOT
R 235
LIGHT
233
256
272
PRIMARY
256
THERMOSTAT
273
18 32A
S SEC. LEAD
THERMOSTAT
3 31
2 F
205
F F
207
6
5
FAN 215
S S
210
206
208 MOTOR
32A
15
THERE IS NO
8 9 31
215
10, 11 & 12
4 216
CONNECTION
B
ON 380 OR
11 12
4 5 6
TRIPLE VOLTAGE
MACHINES.
8 9
7
A
214
CR4
222
R2 222
215
OUTPUT
CHOKE
C7
GATE
LEADS TO N.D.
G1
FIRING
G3 210
CIRCUIT
G5
P.C.
SCR
BOARD
SNUBBERS
J4 210
A A A
215
+ -
CR3
SCR
SCR
3 5
210 OUTPUT SHUNT
215
(50MV @800 AMPS}
220
215 215
C C
C C C 215
SCR SCR
N.D., N.F.
4 6
A A A
OPTIONAL
G6 GATE LEADS TO
MULTI-PROCESS
G4 FIRING CIRCUIT
SWITCH
P.C. BOARD
G2
J4
236 R1
OUTPUT
CONTROL
210 237 75
229
32A
76
SW3
31 N.C.
210 77
226 80
SW2
238
21
222
F1
222 2
81
32
224
21 4
2 31 32 75 76 77 80 81
280
80
T.S.3
T.S.2
235
1 1 229
256 2 2 75
255 3 3 232
231 4 4 80
238 5 J2 5 81
233
6 6 226
J1
7 7 224
8 8 215
9
9
10 10 280
11
210 1
J3
12
215 2
220
13
CONTROL 14 222
P.C. BOARD
216
TO OUTPUT G3 1 1
G6 2 2 203
RECTIFIER
G1 3 3 206
J4
ASSEMBLY
(-)
4 204
G4 4
5 5 215
G5
6 6 215
G2
J5
7 205
A 1 8 208
B 2 9
207
3 10 231
B'
4 11
J7
C 5 12
C' 6
7 1 X
A' 8 2 Y
J6
3 Z
FIRING CIRCUIT
4
P.C. BOARD
(+)
2
4
LEADS 210 & 215 ARE
TWISTED TOGETHER
210
215
220
215
215
TO STICK ELECTRODE HOLDER OR
+
WORK
AIR-CARBON ARC TORCH
N.D.
ELECTRODE
TO "WORK" USED WITH STICK
-
OR AIR-CARBON ARC
OPTIONAL USER SUPPLIED JUMPER FOR
STICK WORK LEAD NOT
THOSE SITUATIONS WHERE IT IS NOT
USED WHEN JUMPER IS
NECESSARY TO HAVE SEPARATE GROUND
USED.
CABLES FOR STICK AND SEMI-AUTOMATIC
WELDING.
G-4
215
SW4
232
81
N.E.
6-17-94
L8752
iDEaLarC ® DC-600