Liberty Pumps Omnivore LSG200-E Serie Manual Del Usuario página 7

2-4 DESIGN OF PUMP
 Liberty Omnivore Grinder pumps are designed to be operated continuously submerged underwater. The
motor and pump form a close coupled, watertight unit. The pump's motor is insulated against heat and
moisture in accordance with Class B 130°C (265°F) regulations.
 A thermal overload protector is imbedded in the motor windings of all single phase pumps. This is connected
in series and wired to shut down the pump if overheating occurs. The overload switch resets automatically
when the motor cools.
 The motor is protected against damage from water entry by a double seal design. The lower seal is a lip seal,
composed of a rubber based elastomer. The upper seal is a mechanical cartridge seal, consisting of two
silicon-carbide faces. If the mechanical seal becomes compromised, pollution of the pumped liquid could
occur due to turbine oil seeping into the volute cavity.
The impeller and volute are designed for efficient flow characteristics and clog-free operation. The hardened

cutters grind solids and fibrous matter into small particles that can be safely pumped through small diameter
piping.
2-5 OMNIVORE MODEL SPECIFICATIONS
TABLE 1: MODEL SPECIFICATIONS
Model HP
LSG202M-3E 2
LSG203M-3E 2
LSG204M-3E 2
LSGX202M-3E 2
LSGX203M-3E 2
LSGX204M-3E 2
operation. Operation of these models will be according to the control
selected. Make sure the electrical specifications of the control selected
properly match the electrical specifications of the pump.
models require overload elements selected or adjusted in accordance
with the control or panel instructions.
cause the pump to not operate as designed, causing pump damage and
flooding.
Rotating parts hazard.
careful around pump base. Pump should be in a basin or
a safe distance from people and objects, especially wires.
Energized pump may start without warning, for
example, when the pump cools after a thermal
overload. Never work on an energized pump.
Full Load
Volts
Phase
Amps
50 Hz
230 1
230 3
400 3
230 1 11.4
230 3
400 3
All models, as designated in Table 1, require a separate
approved pump control device or panel for automatic
©Copyright 2015 Liberty Pumps Inc. All rights reserved
When pump is energized, be
FNPT
Discharge
9.4 1.25"
6.0 1.25"
3.4 1.25"
1.25"
7.0 1.25"
4.0 1.25"
Improperly set controls can
Shut-off Winding
Head (m) Resistance (Ω)
26 1.0 - 4.0
26 1.0 - 4.0
26 6.5 - 9.5
46 1.0 - 4.0
46 1.0 - 4.0
46 6.5 - 9.5
3 phase
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