Graymills MSPR Series Pump OMI - Manual

WARNINGS/CAUTIONS
Read all these SAFETY INSTRUCTIONS BEFORE
installing or using this equipment. Keep this manual
handy for reference/training.
• Inspect unit for damage. Report any damage to carrier/dealer
immediately.
• Pump may be heavy. If in doubt, take appropriate precau-
tions.
• Motor must be grounded and suitable for the environment in
which it is used. Do not use where explosion-proof motors
are required.
• Do not allow liquids to come into contact with the motor, or
any electrical components.
• Never attempt any service work while the unit is still con-
nected to any electrical power source.
• This pump contains rotating parts. Use caution.
• When working on or around pump, be aware of what liquid
is/has been pumped. If liquid is potentially harmful, take
appropriate precautions.
• Never use any part of the wiring/electrical system to lift or
move the equipment. This could cause a failure of the electri-
cal system, resulting in severe shock or death.
• Do not operate this pump or allow others to operate it until
the instructions and warnings have been read and are under-
stood by all involved.
Never work with equipment you feel may be unsafe.
Contact your Supervisor immediately.
DESCRIPTION/SPECIFICATIONS
The Graymills MSPR Series pumps are multi-stage centrifugal
pumps designed to handle water-based coolants and water.
• Maximum liquid temperature 160°F (72°C).
• Maximum viscosity 300 SSU.
• Maximum suction pressure 75psi.
• Pipe connections are 1" NPT suction and discharge. 1/4"
NPT Bypass is included.
• Rotation: left hand, ie, COUNTERCLOCKWISE when
viewed from motor end.
POWER SUPPLY, WIRING AND
GROUNDING
WARNING
Install ground and wiring according to local and
National Electrical Code requirements.
• Install a disconnect switch on all power legs near
the pump.
• Disconnect and lockout electrical supply before
installing or servicing pump.
• 230/460V, 3 phase, 60 cycle AC circuit rated for a minimum
of 10 amps. Refer to motor nameplate for instructions.
• Electrical supply MUST match pump’s name plate specifica-
tions. Incorrect voltage can cause fire and/or damage to the
motor and voids warranty.
• All three phase motors not protected for overload conditions
MUST be provided with a starter which includes heaters.
• Use only stranded 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.
• Follow motor manufacturer’s wiring diagram on the motor
nameplate or terminal cover carefully.
WARNING
Failure to permanently ground the pump, motor and
controls before connecting to electrical power can
cause shock, burns or death.
Multi-Stage
Centrifugal MSPR
Pumps
Operations and
Maintenance
Instructions
795-07945
GM02-05