Lincoln Electric IDEALARC DC-600 Service Manual page 116

G-6
WiriNG DiaGram - (CODEs 10407, 10408, 10409, 10415) (L10575)
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
(EXCEPT 380V.) H1
FOR LOW VOLTAGE)
LINES
272
TO GROUND PER TO GROUND PER
NATIONAL
NATIONAL
6 9 3
ELECTRICAL ELECTRICAL
L3
CODE CODE
5 8 2
L2
1
RECONNECT 4 7 RECONNECT
PANEL L1 PANEL
1CR
271
TO PRIMARY COILS TO PRIMARY COILS
TO
H2
SUPPLY 380V. OR TRIPLE VOLTAGE
DUAL & SINGLE VOLTAGE H1
LINES
UNDER 300V.
272
TO GROUND PER
NATIONAL
TO GROUND PER
6 9 3
ELECTRICAL
NATIONAL
L3
CODE
ELECTRICAL 5 8 2
CODE L2 RECONNECT
4 7 1
PANEL (SHOWN 4
RECONNECT
L1 CONNECTED
PANEL
FOR 380V.)
1CR
271
TO PRIMARY COILS TO PRIMARY COILS
LEGEND
C7 .05 +.05 MFD
F1 8 AMP SLOW BLOW FUSE
R1 10K POT
W
R2 30 , 100W W
T1 MAIN POWER TRANSFORMER
1
T2 CONTROL TRANSFORMER N.A. S
1CR INPUT CONTACTOR 1 31
T1
AUX.2
13
2CR FAULT PROTECTION RELAY
F
LEADS 4 PRI.
3CR CURRENT ACTIVATED REED SWITCH
203
4CR OUTPUT PILOT RELAY THRU 9
4
5CR POWER INTERLOCK RELAY TO INPUT
SW1 INPUT POWER 204
PANEL
SW2 ELECTRODE POLARITY
7
SW3 OUTPUT CONTROL
PRI.
SW4 WELDING MODE (SHOWN IN STICK POSITION)
NOTES:
10
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,
SEC.
DISCONNECT ALL ELECTRODE, WORK, AND
CONTROL LEADS TO ANY WIRE FEEDERS.
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
SEC.
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.
N.F. USING A WIRE FEEDER, K-317 OR K-318
CONNECTION DIAGRAM, CONNECT ELECTRODE
AND WORK LEADS TO THESE TERMINALS
INSTEAD OF THE POWER SOURCE
OUTPUT TERMINALS.
N.G. 2CR IS SHOWN AS SPST RELAY. IF 2CR IS A
3PDT, LEADS 255 CONNECTS TO TERMINAL 4
INSTEAD OF TERMINAL 5.
271 255 OUTPUT
7 4
271 255
SNUBBER
2CR
A B
233 235
THESE NOTES APPLY ONLY TO DC-600 WITH A
MULTI-PROCESS SWITCH INSTALLED.
J3 J6 J4 J7
1 1 2
3 4
2 OUTPUT RECTIFIER
J2 J5 J1
ASSEMBLY
CONNECTOR CAVITY NUMBERING SEQUENCE
(VIEWED FROM COMPONENT SIDE OF BOARD)
ELECTRICAL SYMBOLS PER E1537
TO
H2
SUPPLY H1
LINES
272 X1
T2 H1
15
START
3
STOP
L3
14
2
L2
H2
13
1
L1 SW1
1CR
271
211
212
255
H3
2 4
H2
5CR
TO
H1
272
SUPPLY 1 0
LINES 272
6 11 3
9
271
L3
10 2 X2
5 8
L2
1
7 12
L1
271
1CR 271 7 5
271
2CR
B
A
PILOT
R
LIGHT
233
256
PRIMARY
256
THERMOSTAT
272
273
2 3 32A
S
SEC. LEAD
THERMOSTAT
31
14 15 F
205
F F
F
207
6
5
S FAN
S S
AUX. 1 206 208 MOTOR
32A
8 9
THERE IS NO
31
10, 11 & 12 215
4
216
CONNECTION
B
ON 380 OR
12
11 4 5 6
TRIPLE VOLTAGE
MACHINES.
7 8 9
A
214
4CR
R2 222
215
OUTPUT
CHOKE
GATE
LEADS TO
G1
FIRING
G3
CIRCUIT
G5
P.C.
SCR
BOARD
SNUBBERS
J4
A A A 215
+ -
3CR
SCR SCR SCR
3 5
1
210
215
220
215 215
C C C
C C C
SCR
SCR SCR
N.D., N.F.
2 4 6
A A A
OPTIONAL
G6 GATE LEADS TO
MULTI-PROCESS
G4 FIRING CIRCUIT
SWITCH
G2 P.C. BOARD
J4
R1
236 OUTPUT
CONTROL
210 237 75
32A
76
SW3
31 N.C.
210 77
VM
+ - 226
SW2
238
21
222
F1
222
2
32
AM
-
+
21 4 2 31 32 76
75 77 80 81
N.G.
T.S.3
T.S.2
255
235
235
1 1
256 2 2
255 3 3
231 4 4
5
238 5 J2
233 6 6
J1
7 7
8 8
9 9
10 10
11
210 1
J3
12
215 215
2
13
210
CONTROL 14
P.C. BOARD
TO OUTPUT G3 1 1
G6 2
2
RECTIFIER
G1 3 3
J4
ASSEMBLY
(-)
4
G4 4
222
5
G5 5
6
6
G2
J5
7
1
A 8
B
2 9
3 10
B'
4 11
J7
C7 C 5 12
C' 6
N.D. 1
7
A' 8 2
J6
210
3
FIRING CIRCUIT
4
P.C. BOARD
(+)
210
2
4
LEADS 210 & 215 ARE
OUTPUT SHUNT
TWISTED TOGETHER
(50MV @800 AMPS}
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
THOSE SITUATIONS WHERE IT IS NOT
NECESSARY TO HAVE SEPARATE GROUND
CABLES FOR STICK AND SEMI-AUTOMATIC
WELDING.
G-6
215
229
80
SW4
81
232
224
280
80 81
229
75
232
80
81
226
224
215
280
220
222
216
203
206
204
215
215
205
208
207
231
X
Y
Z
N.E.
STICK WORK LEAD NOT
USED WHEN JUMPER IS
USED.
iDEaLarC ® DC-600