4353000D Copyright © Liberty Pumps, Inc. 2023
All rights reserved. 3 | EN
All pump/pump system installations shall be in compliance
with all applicable Federal, State, and Local codes and
ordinances.
Do not allow children to play with the pump system.
Do not allow any person who is unqualified to have contact
with this pump system. Any person who is unaware of the
dangers of this pump system, or has not read this manual, can
easily be injured by the pump system.
Wear adequate Personal Protective Equipment when working
on pumps or piping that have been exposed to wastewater.
Sump and sewage pumps often handle materials that can
transmit illness or disease upon contact with skin and other
tissues.
Do not remove any tags or labels from the pump or its cord.
Keep clear of suction and discharge openings. To prevent
injury, never insert fingers into pump while it is connected to
a power source.
Do not use this product with flammable, explosive, or
corrosive fluids. Do not use in a flammable and/or explosive
atmosphere as serious injury or death could result.
This product contains chemicals known to the State of
California to cause cancer and birth defects or other
reproductive harm. www.p65warnings.ca.gov.
Do not dispose of materials such as paint thinner or other
chemicals down drains. Doing so could chemically attack and
damage pump system components and cause product
malfunction or failure.
Do not use these pumps with fluid over 140°F (60°C).
Operating the pump in fluid above this temperature can
overheat the pump, resulting in pump failure.
Do not use pump system with mud, sand, cement,
hydrocarbons, grease, or chemicals. Pump and system
components can be damaged from these items causing
product malfunction or failure. Additionally, flooding can
occur if these items jam the impeller or piping.
Submersible Pump—do not run dry.
Introduction
The pump is supplied with its own separate manual. Ensure
receipt of this manual, and that it is read and understood prior to
installing and using this system. Familiarity with the pump is
critical.
This manual provides a brief overview of the system and deals
mainly with installation of the system. It does not cover the
specifics of the pump. For questions, call Liberty Pumps customer
service at 800-543-2550.
Application
The CSP-Series kit is designed for use in a crawl space or where
pooling water is occurring. Allowing the water in the pump or
discharge line to freeze may cause damage to the pump. In colder
regions, the pump should only be installed indoors or deep
enough to be below the frost line.
Performance Curve
Installation
All installation and maintenance of pumps, controls,
protection devices, and general wiring shall be done by
qualified personnel.
All electrical and safety practices shall be in accordance with
the National Electrical Code
®
, the Occupational Safety and
Health Administration, or applicable local codes and
ordinances.
Backfill
For in-ground installation, a hole should be excavated as small as
possible, leaving at least 8” of diametrical clearance. Coarse gravel
is recommended for backfill.
Inlet Line
The CSP-Series kit includes a perforated basin for gathering water.
Additional inlets may be added with a hole saw for allowing drain
lines or weep tiles.
Discharge
When attaching the discharge, place the pump in the basin being
careful to keep float from any obstruction or from hitting the tank
wall. The CSP-Series kit includes a DHK-24 discharge hose kit. A
1-1/2” x 1-1/4” hose adapter will thread into the pump discharge.
The 24’ flexible hose will fit over the barbed fitting of the adapter
and should be tightened down with a hose clamp. The hose will fit
through the grommet in the basin cover and can be cut to the
required length. Exit the discharge of water in an area that will
drain away from the building and foundation.
RISK OF ELECTRIC SHOCK
TOTAL HEAD IN FEET
US GALLONS PER MINUTE
TOTAL HEAD IN METERS
LITERS PER MINUTE
0 37.9 75.7 113.6 151.4 189.3 227.1
40
30
20
10
0
10
0
20 30 40 50 60
12.2
9.1
6.1
3.0
0
CSP-257
CSP-457
CSP-237
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