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ELECTRICAL DIAGRAMS
R3R

Wiring Diagram - R3R-400 (Code 9874), R3R-500

ELECTRICAL SYMBOLS PER E1537LEGENDD5D6D7 POCKET AMPTROL SENSING BRIDGEL1 DC OUTPUT FILTERR1R2R3R4
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 SWITCHSCR1-D1SCR2-D2SCR3-D3D4SCR AND DIODERECTIFIER BRIDGET1T2T3MAIN TRANSFORMERCONTROL TRANSFORMERPOCKET AMPTROL OPTIONTRANSFORMERICR INPUT STARTER( DASHED ITEMS ON WIRING DIAGRAM ARE OPTIONAL )CAVITY NUMBERING SEQUENCE(COMPONENT SIDE OF BOARD)A B C D E F10K OHM POT., OUTPUT CONTROL10K OHM POT., ARC FORCE CONTROL40 OHMSW1SW2SW3SW4POWER SWITCHMACHINE/REMOTE SWITCHL1
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
CONTROLP.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
++
--
FRAME GROUND

-

+
217
217
115 V
201 202 203
7
SS
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
11
10
12
3
2
1
9
8
7
6
5
4
RECONNECT PANEL SHOWN
CONNECTED FOR 380V
H4
234 235
FAN MOTOR
HIGH TEMP LIGHT
221
222 223
G1 G2G3
204
+
-
G1 G2G3 204
226
220
204
211
210
213
77
212 76
SW3
A = AMBERG = GREENW = WHITEY = YELLOWCOLORS
235
232
ARE MADE AT THE
SINGLE, 346V AND ABOVE(EXCEPT 380V.)380V OR TRIPLEVOLTAGESINGLE, BELOW 346V ORDUAL VOLTAGE380/500 OR 460/575
76
77
SW4
FLEX LEAD JUMPER
RECONNECT PANEL SHOWN
CONNECTED FOR LOW VOLTAGE
1
2
3
4
1
2
3
4
5
6
77
76
75
G
Y
218
219
J6J7
1
2
3
4
5
6
7
8
214
75
213
212
201A
203A
J2J4
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 RESISTORCONNECTOR AND THESE THREELEADS ARE NOT USED WHENOPTIONAL POCKET AMPTROLIS PROVIDED.
4
213421
RECTIFIER
BRIDGE
12345678
J5
SNUBBER BOARD
SNUBBER BOARD
226
224
204
235
TO PRIMARY
COILS
TO PRIMARY
COILS TO PRIMARY
COILS
231 233
(SWITCH SHOWN IN LOCAL POSITION)
220/380/440 OR
230/400V MACHINES.
REMOTE CONTROL RECEPTACLE
2 3
16 17 18
11
866V
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)
L9376 1-20-95E IDEALARC R3R-400, 500-I, 500 & 600-I WIRING DIAGRAM

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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.