Electrical Connection; Control Panels - Liberty Pumps Provore PRG100-E Serie Manual Del Usuario

To prevent piping blockages and damage from frozen water, tank installation should be at a sufficient depth

to ensure that all plumbing is below the frost line.
 During installation, pump controls shall be configured such that the pump turn off level is 1m (3.3 ft) from the
bottom of the tank.
4.

Electrical Connection

4-1 WIRING OF PUMP
Liberty Provore Grinder pumps are available in 230 V, single phase configurations
only. Prior to connecting the pump, check the pump's nameplate to ensure it is
rated to match the supply voltage.
voltages and encompass a range of system nominal voltages. Pumps with a 230V
nameplate are suitable for use in 220-240V systems. See Fig. B, for a basic pump
wiring diagram for 1-Phase and connection.
Additionally it is required that all pumps have a means incorporated into the fixed
system wiring to disconnect all supply power.
4-2

CONTROL PANELS

Liberty Provore Grinder pumps must be controlled by an approved control panel in
compliance with the safety and control requirements of 2006/42/EC. The control
panel should be mounted in a cool, dry environment. Installation and connections
are specific to the control panel. Control panels should be installed and serviced only by a qualified electrician.
4-3 BEFORE ENERGIZING PUMP, DO THE FOLLOWING:
Check that all field and factory made connections are tight. Factory connections may have loosened due to
1.
shipping and handling vibrations.
Check the security of mounting hardware.
2.
Check the enclosure to see that it has not been damaged.
3.
Rotate the cutter wheel by inserting a hex key into the socket head cap screw to verify movement and
4.
lubricate the seals.
Ensure that no wires or other obstructions are in the way of the impeller.
5.
All Provore pumps are protected from locked rotor and running overloads by a thermal overload integral to the
6.
motor. No adjustments are required.
Electrical connection of the pump should comply
with all applicable electrical codes and shall be
performed by a qualified electrician.
To prevent serious damage to the pump, follow
wiring diagram included with control panel. If diagram is
missing, do not connect the pump until you have
obtained diagram from control panel manufacturer.
When power is first applied to a control panel or
breaker that has a pump installed, serious injury
or damage can occur if there are faults in the
pump from improper installation.
licensed electrician present when the control
panel is first energized.
©Copyright 2014 Liberty Pumps Inc. All rights reserved
Nameplate voltages are EN harmonized
Fig. B – Direct Wiring of
230V 1-Phase Pumps
Have a
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