Graymills MVP Series Pump OMI - Manual

- 1 -
Multi-Stage
Centrifugal
MVP Pumps
Operations and Maintenance
Instructions
WARNINGS/CAUTIONS
Read all these SAFETY INSTRUCTIONS BEFORE
installing or using this equipment. Keep this
manual handy for reference/training.
ƒ Inspect unit for damage. Report any damage to
carrier/dealer immediately.
ƒ Pump may be heavy. If in doubt, take appropriate
precautions.
ƒ Motor must be grounded and suitable for the
environment in which it is used. Do not use where
explosion-proof motors are required.
ƒ Do not allow liquids to come into contact with the
motor, or any electrical components.
ƒ Never attempt any service work while the unit is
still connected to any electrical power source.
ƒ This pump contains rotating parts. Use caution.
ƒ When working on or around pump, be aware of
what liquid is/has been pumped. If liquid is
potentially harmful, take appropriate precautions.
ƒ Never use any part of the wiring/electrical system
to lift or move the equipment. This could cause a
failure of the electrical system, resulting in severe
shock or death.
ƒ Do not operate this pump or allow others to
operate it until the instructions and warnings have
been read and are understood by all involved.
Never work with equipment you feel may be unsafe.
Contact your Supervisor immediately.
DESCRIPTION/SPECIFICATIONS
The Graymills MVP Series pumps are multi-stage
centrifugal pumps designed to handle clean, water and
water-based coolants.
ƒ Minimum and maximum liquid temperature range: -
10 0 C to 93 0 C(50 0 F to 200 0 )
ƒ Maximum Air Temperature 40 0 C (104 0 F)
ƒ Maximum viscosity 500 SSU
ƒ Maximum On/Off Cycles per hour: 100
ƒ Maximum inlet pressure 100 psi.
ƒ Pipe connections are 1" NPT for both inlet and
discharge.
ƒ Bypass kit is included and should be used for
applications where low flow conditions can exist.
See Installation Section, Page 2.
ƒ 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.
ƒ Install a disconnect switch on all power legs near
the pump.
ƒ Disconnect and lockout electrical supply before
installing or servicing pump.
ƒ 230/460V, 3 phase, 60 cycle AC circuit rated for a
minimum of 10 amps. Refer to motor nameplate for
instructions.
795-91725
3-07
www.graymills.com
®