Lincoln Electric IDEALARC R3R 375-I - Manual (Page 23)

F-1 WIRING DIAGRAMS F-1
IDEALARC® R3R 375-I, 500-I AND 600-I
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The
specific diagram for a particular code is pasted inside the machine on one of the enclosure panels.
ELECTRICAL SYMBOLS PER E1537
LEGEND
D5
D6
D7
POCKET AMPTROL SENSING BRIDGE
L1 DC OUTPUT FILTER
R1
R2
R3
R4
16
TO SUPPLY LINES
TO GROUND
PER
NATIONAL
ELECTRICAL
CODE
1
2
3
L1
L2
L3
ICR
233 232 231
H3
H2
H1
X2
X1
T2
RECONNECT PANEL SHOWN
CONNECTED FOR LOW VOLTAGE
4
5
6
7
8
9
1
2
3
232 231
H3
H2
H1
X2
X1
T2
233
TO GROUND
PER
NATIONAL
ELECTRICAL
CODE
ICR
L1
L2
L3
TO SUPPLY LINES
TO GROUND
PER
NATIONAL
ELECTRICAL
CODE
H3
H2
H1
X2
X1
T2
TO SUPPLY LINES
TO GROUND
PER
NATIONAL
ELECTRICAL
CODE
232 231
H3
H2
H1
X2
X1
T2
TO SUPPLY LINES
ICR
233
TO PRIMARY
COILS
PRIMARY CONNECTIONS
MAIN TRANSFORMER
1
2
3
L1
L2
L3
DIAL SELECTOR SWITCH
SCR1-D1
SCR2-D2
SCR3-D3
D4
SCR AND DIODE
RECTIFIER BRIDGE
T1
T2
T3 MAIN TRANSFORMER
CONTROL TRANSFORMER
POCKET AMPTROL
OPTION
TRANSFORMER
ICR INPUT STARTER
( DASHED ITEMS ON WIRING
DIAGRAM ARE OPTIONAL )
CAVITY NUMBERING SEQUENCE
(COMPONENT SIDE OF BOARD)
A B C D E F
10K OHM POT., OUTPUT CONTROL
10K OHM POT., ARC FORCE CONTROL
40 OHM
SW1
SW2
SW3
SW4 POWER SWITCH
MACHINE/REMOTE SWITCH
L1
D4
D1 D2 D3
SCR1 SCR2 SCR3
R3
204
204
204
205
206
SHUNT
218
R4
D5
D6
D7
219
219
201
202
203
204
204
209
208
217
CONTROL
P.C.
BOARD
SW1
PILOT LIGHT
231
235
235
232
W
THESE LEADS ARE
PRESENT ONLY WITH
OPTIONAL METER
KIT.
220
225
115V
G
G
Y
T3 G
OPTIONAL POCKET
AMPTROL P.C.
BOARD
77 76
75
75
217 206
205
204
204
214
75 210 211
R1
SW2
R2
204
208
209
224
OPTIONAL METER KIT
VM AM
+ + - -
TO CONTROL BOX
- +
217
217
A A 115 V
201 202
203
7
S S
10
1
4 5 6
66V
BOTTOM PRIMARY
TOP PRIMARY
T1
X1 X2 X3
SEC SEC SEC
16, 17, & 18 ARE PRESENT
ON 380/500 OR 460/575
MACHINES ONLY.
THERE IS NO 10-11-12
CONNECTION ON 380,
A
CHOKE
THERMOSTAT
SECONDARY
THERMOSTAT
233
231
204
ICR
1
2
3
L1
L2
L3
RECONNECT PANEL SHOWN
CONNECTED FOR 220V
H4
234 235
FAN MOTOR
HIGH TEMP LIGHT
221
222 223
G1 G2 G3
204
+
-
G1 G2 G3 204
226
220
204
211
210
213
77
212 76
SW3
A = AMBER
G = GREEN
W = WHITE
Y = YELLOW
COLORS
235
232
ARE MADE AT THE
SINGLE, 346V AND ABOVE
(EXCEPT 380V.)
220/380/415-440
SINGLE, BELOW 346V OR
DUAL VOLTAGE 380/500 OR 460/575
76
77
SW4
RECONNECT PANEL SHOWN
CONNECTED FOR LOW VOLTAGE
1
2
3
4
1
2
3
4
5
6
77
76
75
G
Y
218
219
J6
J7
1
2
3
4
5
6
7
8
214
75
213
212
201A
203A
J2 J4
201A
203A J3
6
3
2
1
5
1
8
5
6
7
4
3
2
1
5
6
4
3
2
1
2 4
3
1 2
J1
.4 OHM POCKET AMPTROL SENSING RESISTOR
CONNECTOR AND THESE THREE
LEADS ARE NOT USED WHEN
OPTIONAL POCKET AMPTROL
IS PROVIDED.
4
2 1 3 4 2 1
RECTIFIER
BRIDGE
1 2 3 4 5 6 7 8
J5
SNUBBER BOARD
226
224
204
235
TO PRIMARY
COILS
TO PRIMARY
COILS
TO PRIMARY
COILS
231 233
(SWITCH SHOWN IN LOCAL POSITION)
220/380/415-440 OR
230/400V MACHINES.
REMOTE CONTROL RECEPTACLE
2 3
16 17 18
11
8 66V
S
66V 9
12
OPTIONAL POLARITY SWITCH
(60 Hz ONLY)
11
10
12 6
4
5
7
8
9
TO GROUND
PER
NATIONAL
ELECTRICAL
CODE
1
2
3
L1
L2
L3
ICR
233 232 231
H3
H2
H1
X2
X1
T2
TO SUPPLY LINES
RECONNECT PANEL SHOWN
TO PRIMARY
COILS
CONNECTED FOR 230V
230/400V
PRIMARY CONNECTIONS 1-7, 2-8 AND 3-9
ARE MADE AT THE MAIN TRANSFORMER
PRIMARY CONNECTIONS 4-7, 5-8 AND 6-9
ARE MADE AT THE MAIN TRANSFORMER
17
18
4-7, 5-8 AND 6-9
AUXILIARY COILS
(ON BOTTOM PRI.
COIL ASSEMBLIES)
IDEALARC R3R-400, 500-I, 500 & 600-I WIRING DIAGRAM
4
5
6 9
8
7
11
TO PRIMARY COILS
10
12
FLEX
LEAD
JUMPER
RECONNECT PANEL
A
A A A
INPUT BOX LIFT BALE CONTROL CONTROL
BOX AND FRAME PANEL
REMOTE
RECEPTACLE BONDED GROUNDING LEADS
(R3R-600-I ABOVE CODE 11200 ONLY)
AND
220-230/380-
400/440-460
GROUNDING STUD
BASE
F
L9376