Lincoln Electric IDEALARC DC-600 Service Manual page 115

G-5
WiriNG DiaGram - (CODE 9832) (L7779)
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
380/500V. & 460/575V.
SINGLE VOLTAGE OVER 300 V. TO
H3
(SHOWN CONNECTED
SUPPLY H1
(EXCEPT 380V.)
FOR LOW VOLTAGE)
LINES
272
TO GROUND PER TO GROUND PER
X1
NATIONAL NATIONAL
9
6 3
3
ELECTRICAL ELECTRICAL
L3
211
2
CODE 5 8 CODE
2
L2
1
RECONNECT 4 7 RECONNECT
212 1
PANEL L1 PANEL
CR 1
271
TO PRIMARY COILS TO PRIMARY COILS
380V. OR TRIPLE VOLTAGE
TO
DUAL & SINGLE VOLTAGE H2
SUPPLY
UNDER 300V. H1
LINES
272 TO GROUND PER
NATIONAL
TO GROUND PER X1
6 9 3 6 9
ELECTRICAL
NATIONAL
L3
211
2 CODE
ELECTRICAL 5 8
5 8
CODE L2 RECONNECT
1
4 7 PANEL (SHOWN
4 7
212
RECONNECT
L1 CONNECTED
PANEL
FOR 380V.)
CR 1
271
TO PRIMARY COILS TO PRIMARY COILS
LEGEND
C7 .05 +.05 MFD
N.A. 1 S
F1 8 AMP SLOW BLOW FUSE
1 31
R1 10K POT W T1
AUX.2
13
R2 30 , 100W W F
LEADS 4 PRI.
F
T1 MAIN POWER TRANSFORMER
THRU 9 203
T2 CONTROL TRANSFORMER
4
TO INPUT S
1CR INPUT CONTACTOR
204 AUX. 1
PANEL
2CR FAULT PROTECTION RELAY
7
3CR CURRENT ACTIVATED REED SWITCH
4CR OUTPUT PILOT RELAY
PRI.
SW1 INPUT POWER
SW2 ELECTRODE POLARITY
10
SW3 OUTPUT CONTROL
SW4 WELDING MODE (SHOWN IN STICK POSITION)
NOTES:
SEC.
N.A. LEADS 4 THRU 9 ARE NOT PRESENT ON
460V., 380/500V. & 460/575V. MACHINES.
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. SEC.
JUMPER 2 TO 4. OUTPUT TERMINALS WILL
NOW BE ENERGIZED. PLACE MODE SWITCH
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 SCR
THE DC-600 OFF, AND REVERSE THE LEADS AT 1
THE MULTI-PROCESS SWITCH.
N.F. USING A WIRE FEEDER, K-317 OR K-318
CONNECTION DIAGRAM, CONNECT ELECTRODE
C
AND WORK LEADS TO THESE TERMINALS
INSTEAD OF THE POWER SOURCE
OUTPUT
OUTPUT TERMINALS.
SNUBBER
THESE NOTES APPLY ONLY TO DC-600 WITH A
MULTI-PROCESS SWITCH INSTALLED.
CAVITY NUMBERING SEQUENCE SCR
2
COMPONENT SIDE OF P.C. BOARD
3 2 1
3 2 1 3 2 1
6 5 4 6 5 4 6 5
4
9 8 7 9 8 7
OUTPUT RECTIFIER
RECEPTACLE
12 11 10
J1 & J3 RECEPTACLE ASSEMBLY
RECEPTACLE
J2 & J4
J5
ELECTRICAL SYMBOLS PER E1537
TO
H2
SUPPLY H1
LINES
272
X1
15 X1
T2 H1
L3
211
14 START
STOP
L2 211
13
212
L1
H2
CR 1
271 SW1
212
TO
H2
255
SUPPLY
H1
H3
LINES
272
X1
11 3
X2
L3
211
2
10
271 OPTIONAL
L2
1
12
4 2 METER KIT
212
L1 271
CR 1
CR2
271
3
1
PILOT
R 235
LIGHT
233
256
PRIMARY
256
THERMOSTAT
272
273
2 3 32A
S SEC. LEAD
31 THERMOSTAT
14 15
F
205
F F
207
6
5
FAN 215
S S
206
208 MOTOR
32A
8 9
THERE IS NO
31
10, 11 & 12 215
4
216
CONNECTION
B
12 ON 380 OR
11
4 5 6
TRIPLE VOLTAGE
MACHINES.
8 9
7
A
214
CR4
R2 222
215
OUTPUT
CHOKE
C7
GATE
LEADS TO
G1
FIRING
G3
CIRCUIT
G5
P.C.
SCR
BOARD
SNUBBERS
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
SCR
SCR
N.D., N.F.
4 6
A A
A
OPTIONAL
G6 GATE LEADS TO
MULTI-PROCESS
G4 FIRING CIRCUIT
SWITCH
G2 P.C. BOARD
236 R1
OUTPUT
CONTROL
210
237 75
32A
76
SW3
31 N.C.
77
210
VM
226
+ - 80
SW2
238
21
222
F1
222
2
32
AM
+ -
21 4
2 31 32 75 76 77 80 81
80
T.S.3
T.S.2
255
280
1 1
GROUND LEAD
2 2
IS NOT USED
80 3 3
J1
ON EARLIER
226 4
4
CODE MACHINES.
5 J2 5
(TAPE UP WHEN
224 6
6
NOT USED.)
232 7
75 8
9
222
235 1
256 2
255 3
J3
210
231 4
CONTROL
238 5
P.C. BOARD
6
233
31 216 1 1
203 2 2
32A
204
3 3
(-)
203
G3 4
222 4
205 5
J4 5
204
6
206 6
J5
205
G4 7 7
8
8
206
207 9 9
207 G5 10
FIRING
G6 11
208 CIRCUIT
208 12
P.C. BOARD
T.S.1
N.D.
2
210
4
(+)
LEADS 210 & 215 ARE
TWISTED TOGETHER
210
215
220
215
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-5
215
229
SW4
81
232
224
280
81
229
215
210
81
215
220
G1
215
G2
215
231
N.E.
iDEaLarC ® DC-600