IM204
INSTRUCTION MANUAL
IM204R03
4" Motor
INSTALLATION MANUAL
WARNING
WARNING
WARNING
CAUTION
WARNING
WARNING
WARNING
WARNING
WARNING
WARNING
WARNING
DANGER
WARNING
CAUTION
CAUTION
DANGER
USE THIS INFORMATION IN ADDITION TO THE PUMP INSTALLATION DATA
PROVIDED BY PUMP MANUFACTURER.
Owner’s Information
Owner’s Information
Serial #:
Motor #:
Installation Date:
HP:
Phase:
Volts:
SAFETY INSTRUCTIONS
TO AVOID SERIOUS OR FATAL PERSONAL INJURY
OR MAJOR PROPERTY DAMAGE, READ AND FOLLOW ALL SAFETY INSTRUCTIONS IN MANUAL AND
ON PUMP.
THIS MANUAL IS INTENDED TO ASSIST IN THE INSTALLATION AND OPERATION OF THIS UNIT AND
MUST BE KEPT WITH THE PUMP.
This is a SAFETY ALERT SYMBOL.
When you see this symbol on the pump or
in the manual, look for one of the following signal words and be alert to the
potential for personal injury or property
damage.
Warns of hazards that WILL cause serious
personal injury, death or major property
damage.
WARNING
CAUTION
NOTICE: INDICATES SPECIAL INSTRUCTIONS
WHICH ARE VERY IMPORTANT AND MUST BE
FOLLOWED.
THOROUGHLY REVIEW ALL INSTRUCTIONS
AND WARNINGS PRIOR TO PERFORMING ANY
WORK ON THIS PUMP.
MAINTAIN ALL SAFETY DECALS.
Important notice: Read safety instructions before proceeding with
any wiring.
the National Electrical Code (NEC), or the Canadian
Electrical Code, as well as all local, state and provincial
codes. Code questions should be directed to your local
electrical inspector. Failure to follow electrical codes and
OSHA safety standards may result in personal injury or
equipment damage. Failure to follow manufacturer’s
installation instructions may result in electrical shock, fire
hazard, personal injury or death, damaged equipment,
provide unsatisfactory performance, and may void manufacturer’s warranty.
Warns of hazards that CAN cause serious
personal injury, death or major property
damage.
Warns of hazards that CAN cause personal
injury or property damage.
All electrical work must be performed
by a qualified technician. Always follow
CentriPro motors are not designed for use
in swimming pools, open bodies of water,
hazardous liquids, or where flammable gases exist. Well
must be vented per local codes.
Disconnect and lockout electrical power
before installing or servicing any electrical
equipment. Many mtors are equipped with automatic
thermal overload protection which may allow an overheated motor to restart unexpectedly.
All three phase (3Ø) controls for sub-
mersible motors must provide Class 10,
quick-trip, overload protection.
Do not lift, carry or hang motor by the
electrical cables. Damage to the Electrical Cables can cause shock, burns or death.
Use only stranded copper wire to pump/
motor and ground. The ground wire
must be at least as large as the power supply wires. Wires
should be color coded for ease of maintenance and
troubleshooting.
Install wire and ground according to the
National Electrical Code (NEC), or the
Canadian Electrical Code, as well as all local, state and
provincial codes.
Install an all leg disconnect switch where
required by code.
The electrical supply voltage and phase
must match all equipment requirements.
Incorrect voltage or phase can cause fire, motor and
control damage, and voids the warranty.
All splices must be waterproof. If using
splice kits follow manufacturer’s instructions.
Select the correct type and NEMA grade
junction box for the application and
location. The junction box must insure dry, safe wiring
connections.
Failure to permanently ground the pump,
motor and controls before connecting to
power can cause shock, burns or death.
4" motors ≥ 2 HP require a minimum
flow rate of .25 ft/sec. or 7.62 cm/sec. past
the motor for proper motor cooling. The following are
the minimum flows in GPM per well diameter required
for cooling: 1.2 GPM/4", 7 GPM/5", 13 GPM/6", 20
GPM/7", 30 GPM/8" or 50 GPM in a 10" well. Pumps
≥ 2 HP installed in large tanks should be installed in a
flow inducer sleeve to create the needed cooling flow or
velocity past the motor.
All motors require a minimum 5'
submergence for proper refill check valve
operation.
This motor has been evaluated for use
with Water Only.
2
WIRE SIZING, SPLICING and POWER SUPPLY
WIRE SIZING, SPLICING and POWER SUPPLY
WARNING
Always follow the National Electric Code
(N.E.C.), Canadian Electrical Code, and any
state, provincial, or local codes.
Use only copper wire. Size wire from the
Hazardous voltage
can shock, burn or
cause death.
MAID manual, or an N.E.C. (National
Electric Code) code book. If discrepancies
exist the N.E.C. book takes precedence over
a manufacturer’s recommendations.
Splicing Wire to Motor Leads
When the drop cable must be spliced or connected to the
motor lead it is necessary that the splice be watertight.
The splice can be done with heat shrink kits or waterproof
tape.
A. Heat Shrink Splice Instructions
To use a typical heat shrink kit: strip ½" from the motor wires and drop cable wires, it is best to stagger the
splices. Place the heat shrink tubes on the wires. Place
the crimps on the wires and crimp the ends. Slide the
heat shrink tubes over the crimps and heat from the
center outward. The sealant and adhesive will ooze
out the ends when the tube shrinks. The tube, crimps,
sealant, and adhesive create a very strong, watertight
seal.
B. Taped Splice Instructions
A) Strip individual conductor of insulation only as far
as necessary to provide room for a stake type connector. Tubular connectors of the staked type are
preferred. If connector O.D. is not as large as cable
insulation, build-up with rubber electrical
tape.
B) Tape individual joints with rubber electrical tape,
using two layers; the first extending two inches
beyond each end of the conductor insulation end,
the second layer two inches beyond the ends of the
first layer. Wrap tightly, eliminating air spaces as
much as possible.
C) Tape over the rubber electrical tape with #33
Scotch electrical tape, or equivalent, using two
layers as in step "B" and making each layer overlap the end of the preceding layer by at least two
inches.
In the case of a cable with three conductors encased in a
single outer sheath, tape individual conductors as described, staggering joints.
Total thickness of tape should be no less than the thickness
of the conductor insulation.
WIRING THE CONTROLS and
WARNING
WIRING THE CONTROLS and
SWITCH
SWITCH
Mounting the Motor Control Box
Hazardous voltage
can shock, burn or
cause death.
and outdoor locations. They will operate at temperatures
between 14ºF (-10ºC) and 122ºF (50ºC). Select a shaded,
dry place to mount the box. Insure that there is enough
clearance for the cover to be removed.
Single phase 3-wire control boxes meet U.L.
requirements for Type 3R enclosures. They
are suitable for vertical mounting in indoor
Verify Voltage and Turn Supply Power Off
Insure that your motor voltage and power supply voltage
are the same.
Place the circuit breaker or disconnect switch in the OFF
position to prevent accidentally starting the pump before
you are ready.
Three-phase starter coils are very voltage sensitive; always
verify actual supply voltage with a voltmeter.
High or low voltage, greater than ±10%, will damage motors and controls and is not covered under warranty.
WARNING
Connecting Motor Leads to Motor
Control Box, Pressure Switch or Starter
Caution Do not power the motor until all
electrical and plumbing connections are com-
Hazardous voltage
can shock, burn or
cause death.
pleted. Verify that the disconnect or breaker
is OFF before connecting the pressure switch
line leads to the power supply. Follow all
local and national codes. Use a disconnect where required
by code.
A. Three-Wire Single Phase Motor
Connect the color coded motor leads to the motor control box terminals - Y (yellow), R (red), and
B (black); and the Green or bare wire to the green
ground screw.
Connect wires between the Load terminals on the
pressure switch and control box terminals L1 and L2.
Run a ground wire between the switch ground and
the control box ground.
B. Two-Wire Single Phase Motor
Connect the black motor leads to the Load terminals
on the pressure switch and the green or bare ground
wire to the green ground screw.
C. Three phase motors
Connect the motor leads to T1, T2, and T3 on the 3
phase starter. Connect the ground wire to the ground
screw in the starter box. Follow starter manufacturers
instructions for connecting pressure switch.
Connect To Power Supply
WARNING
Hazardous voltage
can shock, burn or
cause death.
breaker panel.
Three phase installations must be checked for motor
rotation and phase unbalance. To reverse motor rotation,
switch (reverse) any two leads. See the instructions for
checking three phase unbalance in MAID or pump IOM.
Failure to check phase unbalance can cause premature
motor failure and nuisance overload tripping. If using
a generator, see Technical Data for generators in pump
IOM, MAID Manual, catalog or website.
Complete the wiring by making the connec-
tion from the single phase pressure switch
Line terminals to the circuit breaker panel or
disconnect where used.
Three phase - make the connections between
L1, L2, L3, and ground on the starter to the
disconnect switch and then to the circuit
Three Phase Overload Protection
Use only Class 10, quick-trip overload protection on threephase submersible motors. A Three-Phase Starter with
Class 10 overload protection must be used on three-phase
submersible motors.
3
LIMITED WARRANTY
Any motor found to be defective during the warranty period will be replaced at no charge to the dealer during the warranty period.
The warranty period on CentriPro standard construction, 4” motors is thirty-six (36) months from date of installation or forty-two (42) months from date of manufacture,
whichever period is shorter.
The warranty period on CentriPro Xtreme Duty, 4” motors is thirty (30) days from date of installation or six (6) months from date of manufacture, whichever period is shorter.
A dealer who believes that a warranty claim exists must contact the authorized Xylem Inc. distributor from whom the pump was purchased and furnish complete details
regarding the claim. The distributor is authorized to adjust any warranty claims utilizing the Xylem Inc. Customer Service Department.
The warranty excludes:
(a) Labor, transportation and related costs incurred by the dealer;
(b) Reinstallation costs of repaired equipment;
(c) Reinstallation costs of replacement equipment;
(d) Consequential damages of any kind; and,
(e) Reimbursement for loss caused by interruption of service.
For purposes of this warranty, the following terms have these definitions:
(1) “Distributor” means any individual, partnership, corporation, association, or other legal relationship that stands between and the dealer in purchases, consignments or
contracts for sale of the subject pumps.
(2) “Dealer” means any individual, partnership, corporation, association, or other legal relationship which engages in the business of selling or leasing pumps to customers.
(3) “Customer” means any entity who buys or leases the subject pumps from a dealer. The “customer” may mean an individual, partnership, corporation, limited liability
company, association or other legal entity which may engage in any type of business.
THIS WARRANTY EXTENDS TO THE DEALER ONLY.
Xylem Inc.
2881 East Bayard Street Ext., Suite A
Seneca Falls, NY 13148
Phone: (866) 325-4210
Fax: (888) 322-5877
www.centripro.com
CentriPro is a trademark of Xylem Inc. or one of its subsidiaries.
© 2012 Xylem Inc. IM204 Rev. 3 May 2013
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