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Splice this ground wire to a copper conductor
that matches motor wire size specified in
Table III. See Page 5 for wire splicing
instructions.
Permanently ground pump, motor and control
box before connecting power cable to power
supply. Connect ground wire to approved
ground first and then connect to equipment
being installed.
Do not ground to a gas supply line.
Fire and electrical shock hazard. If
using a drop wire larger than No. 10 (5.5mm
(for example, No. 8 (8.4mm
) wire) between
2
pump and control box, run wire to a separate
junction box. Connect junction box to control
box with a No. 10 (5.5mm
) or smaller wire
2
(depending on amp rating of pump – see
Table III).
For more information, contact your local code
officials.
WIRING CONNECTIONS:
All wiring must meet National Electrical Code or
Canadian Electrical Code and local code
requirements.
Use only copper wire when making connections
to pump and control box.
To avoid over-heating wire and excessive voltage
drop at motor, be sure that wire size is at least as
large as size listed in Table III for your horse-
power pump and length of wire run.
NOTICE: When built-in overheating protection
is not provided, use with an approved overload
equipped motor control that matches motor
input in full load amps. Select or adjust overload
element(s) in accordance with control instruc-
tions. When built-in overheating protection is
provided, use with an approved motor control
that matches motor input in full load amperes.
TABLE III:
Power Supply Wire (Cable) Length in Feet (M)
1 Phase, 2 or 3 Wire Cable, 60 Hz (Copper Wire Size - Service to Motor)
14
12
Volts
HP
(2mm
2
)
(3mm
2
)
100
160
115
1/2
(30.5)
(48.8)
400
650
1/2
(121.9)
(198.1)
300
480
3/4
(91.4)
(146.3)
250
400
1
(76.2)
(121.9)
230
190
310
1-1/2
(57.9)
(94.5)
150
250
2
(45.7)
(76.2)
120
190
3
(36.6)
(57.9)
TABLE I:
Recommended Fusing Data - 60 Hz.,
Single Phase, 3 Wire Submersible Pump Motors
HP
1/2
1/2
3/4
1
1.5
2
3
2
)
TABLE II:
Recommended Fusing Data - 60 Hz.,
Single Phase 2 Wire Submersible Pump Motors
HP
1/2
1/2
3/4
1
INSTALLATION WIRING DIAGRAMS -
SINGLE PHASE, 3 WIRE
For motors of 1
use magnetic starter to avoid damage to pressure
switch. Consult factory for wiring information.
See Page 4 for 2 Wire Hookup.
Hazardous voltage. Can shock,
burn, or kill.
Ground control box, all metal plumbing, and
motor frame with copper wire in compliance
with local codes. Use a ground wire at least as
large as the wires supplying power to motor.
Permanently close all unused openings in this
and other equipment.
Disconnect power to control box before working
on or around control box, pipes, cable, pump,
or motor.
10
8
6
4
(5mm
2
)
(7mm
2
)
(13mm
2
) (21mm
2
) (25mm
250
390
620
960
(76.2)
(118.9)
(189)
(292.6)
1020
1610
2510
3880
(310.9)
(490.7)
(765)
(1182.6)
760
1200
1870
2890
(231.6)
(365.8)
(570)
(880.9)
630
990
1540
2380
(192)
(301.8)
(469.4)
(725.4)
480
770
1200
1870
(146.3)
(234.7)
(365.8)
(570)
380
620
970
1530
(118.9)
(189)
(295.6)
(466.3)
300
470
750
1190
(91.4)
(143.3)
(228.6)
(362.7)
3
Fuse Size
Volts
Stand
Dual Elem.
115
30
15
230
15
7
230
20
9
230
25
12
230
30
15
230
30
15
230
45
30
Fuse Size
Volts
Stand
Dual Elem.
115
30
15
230
15
7
230
20
9
230
25
12
⁄
HP and above,
1
2
3
2
1
0
2
) (34mm
2
)
(41mm
2
) (50mm
2
)
1190
1460
1780
2160
(382.7)
(445)
(542.5)
(638.4)
4810
5880
7170
8720
(1466.1)
(1792.2)
(2185.4)
(2657.9)
3580
4370
5330
6470
(1091.2)
(1332)
(1624.6)
(1972.1)
2960
3610
4410
5360
(902.2)
(1100.3)
(1344.2)
(1633.7)
2320
2850
3500
4280
(707.1)
(868.7)
(1066.8)
(1304.5)
1910
2360
2930
3620
(582.2)
(719.3)
(893.1)
(1103.4)
1490
1850
2320
2890
(454.2)
(563.9)
(707.1)
(880.9)
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