Wiring and grounding, Operation, Rotation – Xylem IM181 R01 Prime Line SP User Manual

Page 4: Maintenance

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• Installation of a foot valve at the liquid source, or a check

valve after the pump discharge, is recommended.

NOTICE: FOR INSTALLATIONS WITH LONG SUCTION

PIPING, BOTH A FOOT VALVE AND A

CHECK VALVE ARE RECOMMENDED.

• To avoid air pockets, no part of the piping should be above

the pump suction connection and piping should slope up-

ward from liquid source.

• For installations with long suction piping, fill the suction pipe

with water before connecting to pump.

PIPING – DISCHARGE
• Install a tee at the discharge connection of the pump. The top

opening of the tee is required for initial priming. See Figure 1.

WIRING AND GROUNDING

Install, ground and wire according

to local and National Electrical

Code requirements.
Install an all leg electrical power

disconnect switch near the pump.
Disconnect electrical power, before

installing or servicing pump.

Electrical supply MUST match pump’s nameplate

specifications. Incorrect voltage can cause fire, dam-

age to the motor, and voids warranty.
Motors without built-in protection MUST be

provided with contactors and thermal overloads

for single phase motors, or starters with heaters for

three phase motors. See motor nameplate.

• Follow motor manufacturer’s wiring diagram on the motor

nameplate or terminal cover carefully.

• Use only copper wire to motor and ground. The ground wire

MUST be at least as large as the wire to the motor. Wires

should be color coded for ease of maintenance.

FAILURE TO PERMANENTLY

GROUND THE PUMP, MOTOR AND

CONTROLS BEFORE CONNECTING

TO ELECTRICAL POWER CAN CAUSE

SHOCK, BURNS, OR DEATH.

OPERATION

SPLASHING OR IMMERSING OPEN

DRIP PROOF MOTORS IN WATER

CAN CAUSE FIRE, SHOCK, BURNS OR

DEATH.

OPERATION WITHOUT PRIME, OR

AGAINST A CLOSED DISCHARGE

VALVE, CAN GENERATE HOT WATER

OR STEAM CAUSING INJURY OR

PROPERTY DAMAGE OR EXPLOSION

RESULTING IN SERIOUS PERSONAL

INJURY, PROPERTY DAMAGE OR

DEATH.

• Fill pump through opening in top of tee with clean water.

See Figure 1.

• Install pipe plug in top using Teflon™ tape or equivalent on

male threads.

NOTICE: IF PUMP IS DRAINED OR SHUT OFF DURING

PRIMING PERIOD, ENSURE CASING IS

REFILLED BEFORE RESTARTING PUMP.

• Start the pump motor and wait for system pressure to stabilize.

If system pressure is surging, or prolonged pressure drop is

experienced, the system may not be completely primed.

ROTATION

NOTICE: INCORRECT ROTATION MAY CAUSE

DAMAGE TO THE PUMP AND VOIDS THE

WARRANTY.
• Correct rotation is right hand, CLOCKWISE when viewed

from the motor end.

• Single phase motors with more than 4 wires (leads) may be

reversible designs. Insure that the motor is rotating in the cor-

rect direction. See motor nameplate for wiring instructions.

• Three phase unit rotation may be checked by removing mo-

tor end cap or plug and observing rotation of motor shaft. To

reverse rotation, reverse any two of the three motor leads.

MAINTENANCE

FAILURE TO DISCONNECT AND

LOCKOUT ELECTRICAL POWER

BEFORE ATTEMPTING ANY MAINTE-

NANCE CAN CAUSE SEVERE PERSON-

AL INJURY.

FAILURE TO RELIEVE SYSTEM PRES-

SURE AND DRAIN SYSTEM BEFORE

ATTEMPTING ANY MAINTENANCE

CAN CAUSE SERIOUS PERSONAL

INJURY OR PROPERTY DAMAGE.

• No lubrication is required on pump. For motor lubrication,

refer to and follow manufacturer’s instructions.

Seasonal Service
• To REMOVE pump from service, remove all drain plugs and

drain all piping.

• To RETURN pump to service, replace all drain plugs using

Teflon™ tape or equivalent.

• Reconnect suction line if removed, examine union and repair

if necessary.

• Reprime and operate pump following all instructions and

warnings in the “OPERATION” section of manual.

WARNING

Hazardous voltage

can shock, burn or

cause death.

WARNING

Hazardous

voltage

WARNING

Hazardous voltage

can shock, burn or

cause death.

Extreme heat can

cause personal injury

or property damage.

WARNING

Hazardous
Machinery

WARNING

Hazardous pressure

can cause personal

injury or property

damage.

CAUTION

WIRING AND GROUNDING

OPERATION

ROTATION

MAINTENANCE

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