CB12/CB14 CONTROL BOX WIRING DIAGRAM
EXTERNAL
POWER SOURCE
CIRCUIT
BREAKER
L1 | RED |
WHITE
L2 
BLACK
L3 | GREEN |
| GROUND |
THREE PHASE WIRING
| CONNECTIONS |
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| POWER |
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| INPUT |
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| O/L |
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| L1 L1 |
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| RED AWG 8 |
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| RED |
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| L2 | L2 |
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| RED AWG 8 |
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| RED AWG 8 |
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| BLK |
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| H1 | H3 | H2 | H4 |
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| CONTROL |
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| TRANSFORMER |
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| F1 |
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| 50VA CPT |
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| WHT |
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XF | FUSE | X1 |
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| GRN |
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| 1/2 AMP |
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| 2 | MAN |
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| OVERLOAD |
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| RELAY |
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| BLK 1 | OFF |
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| O/L |
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| 4 | AUTO |
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| NC ON X2 |
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| INDICATOR |
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| LAMP |
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| RED |
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| AWG 10 | G | AWG 10 | ||
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| CONTACTOR |
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| RED | NO |
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| 5 HP |
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| AWG 10 | 3 | 4 |
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| WHT AWG 10 | |
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| A2 | A1 |
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| RED |
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| AWG 10 | TERMINAL |
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| BLOCK |
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SELECTABLE 230 OR 460 VAC
VOLTAGE INPUTS
4 | 3 | 2 | 1 |
STOP | START |
FLOAT | FLOAT |
SWITCH | SWITCH |
L1L2
L1L2
| FUSE |
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X1 | XF |
| X2 |
120 |
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X1 | 115 |
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| 110 | TRANSFORMER | |
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H4 | H2 | H3 | H1 |
JUMPER TAB
230V INPUT
460V INPUT
H1 | H3 | H2 | H4 |
CB-12
H1 | H3 | H2 | H4 |
CB-14
Figure 21. CB12/CB14 Control Box Wiring Diagram
PAGE 26 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERATION MANUAL — REV. #0 (11/18/10)
