To be sure that starting relay will function and
that overload will not “nuisance trip”, install
control box vertically with top side up.
Wire control box as shown in Figures 1A and
1B. A 3-wire pump will not operate without
control box. Operation without control box will
burn out 3 wire motor.
Installation must include circuit and component
protection which meet local code and United
States National Electrical Code requirements.
If main overload trips, look for:
1. Shorted Capacitor
2. Voltage Problems
3. Overloaded or locked pump.
NOTICE:
Match motor to control box as shown
below. Motor and control box model numbers
may include additional suffix numbers to the
right of the numbers shown here. These addi-
tional numbers are not important for control box
selection.
TABLE IV: Control Box Selection
4
HP
Voltage
Motor No.
Control Box No.
1/2
115
214504
28010449
1/2
230
214305
28010549
214505
3/4
230
214307
28010749
214507
1
230
214308
28010849
214508
1-1/2
230
214300
28230081
2
230
224301
28230181
28230183
3
230
234 316 52
28230281
28230283
L1 M1
M2
L2
Sub.
Motor
Control
L1L2R Y B
Fused
disconnect
switch
115V or
230V Line
Ground
Red
Yellow
Black
Pressure
switch
Well
casing
Ground
699 0993
FIGURE 1A - 3-wire, 1/2 thru 1 HP quick disconnect
box. Follow color coding when connecting control box
(Yellow to Y, Red to R, Black to B).
L1
M1
M2
L2
Fused
Disconnect
Switch
To Line
Ground
Red
Black
Pressure
Switch
Well
Casing
Ground
(Green)
336 1093
FIGURE 1B - Single phase, 2-wire connections. 2-wire
pumps have two power supply wire (Red/Black) and
one ground wire (Green). Control box is not required.
See Figure 1B for correct hook-up information for 230
volt 2-wire motors only.
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