Liberty Pumps FL Series Installation Manual

Submersible dewatering/effluent pumps

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Installation Manual

Submersible Dewatering/Effluent Pumps

Models

250-Series

280-Series

290-Series

FL30-Series

FL50-Series

FL60-Series

FLH60-Series

FL70-Series

FL100-Series

FL150-Series

FL200-Series

7000 Apple Tree Avenue

Bergen, NY 14416

ph: 1-800-543-2550

fax: 1-585-494-1839

www.LibertyPumps.com

1/3 hp

1/2 hp

3/4 hp

1/3 hp

1/2 hp

6/10 hp

3/4 hp

1 hp

1-1/2 hp

2 hp

Installer: Manual must

remain with owner/operator.

Keep this manual handy for future reference.

For replacement manual, visit LibertyPumps.com,

or contact Liberty Pumps at 1-800-543-2550.

Retain dated sales receipt for warranty.

Prior to installation, record information

from pump nameplate for future reference:

Model:

Serial:

Mfg Date:

Install Date:

7035000R

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Summary of Contents for Liberty Pumps FL Series

Page 1 Keep this manual handy for future reference. Serial: Bergen, NY 14416 For replacement manual, visit LibertyPumps.com, ph: 1-800-543-2550 Mfg Date: or contact Liberty Pumps at 1-800-543-2550. fax: 1-585-494-1839 Retain dated sales receipt for warranty. Install Date: www.LibertyPumps.com Copyright © Liberty Pumps, Inc. 2021 All rights reserved.
Page 2: Safety Guidelines
Avoid contact with plug ends after removing from energy source.  Do not use metal or any other electrical conducting material to raise the float or contact anything inside an electrically live sump pit. 2 | EN Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 7035000R...
Page 3  For cord replacement: power cord must be of the same length  Do not enter a pump basin after it has been used. Sewage and and type as originally installed on the Liberty Pumps product. effluent can emit several gases that are poisonous.
Page 4: Model Specifications
 Effluent pumps need to be totally submerged below the water Check for damaged electrical wires, especially where they exit line to prevent pump corrosion. the motor housing. Contact Liberty Pumps customer service to report any damage or shortage of parts. General Information Storage Before Use Before installation, read these instructions carefully.
Page 5: Pump System Components
Models 251, 257, 281, 287, 291, and 297 have factory-preset float switches that are not adjustable. Other pumping differentials may FL200 8” 15” be obtained by tethering the switch cord to the discharge pipe. 7035000R Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 5 | EN...
Page 6: Installation
With main power disconnected, complete pump and control “The Brick” (Liberty Pumps #4445000) is a pre-molded stable wiring connections per manufacturer’s wiring diagrams included platform designed to fit the 250, 280, and 290-Series submersible with the control panel as applicable.
Page 7 Do not reduce the discharge to below that which is provided on the pump. Larger pipe sizes may be required to eliminate 3-phase power uses three separate friction head loss over long runs. Contact Liberty Pumps or other BOTTOM VIEW alternating currents that peak at qualified person if questions arise regarding proper pipe size and different integrals.
Page 8 Effluent System Application loss. Larger pipe sizes may be required to eliminate friction head loss over long runs. Contact Liberty Pumps or other VMF models (257, 287, and 297) are not recommended for qualified person if there are questions regarding proper pipe effluent applications due to their short ON/OFF cycle.
Page 9: Operation
Larger pipe sizes may be required to eliminate friction  Effluent pumps need to be totally submerged below the water head loss over long runs. Contact Liberty Pumps or other qualified person if there are questions regarding proper pipe line to prevent pump corrosion.
Page 10: Maintenance
To do so may void the warranty. should have impellers manually operated through the breaker Liberty Pumps, Inc. assumes no responsibility for damage or injury panel monthly to lubricate the seals. due to disassembly in the field. Disassembly, other than an Pumps that are idle in a wet basin must be removed.
Page 11 Pump operates noisily. to section 3-Phase Pump Rotation Verification. Foreign objects in the impeller cavity. Clean the impeller cavity. Consult Liberty Pumps for information regarding impeller Broken impeller. replacement. 7035000R Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 11 | EN...
Page 12: Warranty
Liberty Pumps, Inc. shall not be liable for any loss, damage, or expenses resulting from installation or use of its products, or for indirect, incidental, and consequential damages, including costs of removal, reinstallation or transportation.
Page 13: Pump Specifications
Pump Specifications 280 Series 1/2 hp Submersible Effluent Pump 2” Solids handling 280_P1 R010/7/2015 ©Copyright 2015 Liberty Pumps Inc. All rights reserved. Specifications subject to change without notice.
Page 15 10' cord length standard on all models. For optional lengths, add “-2, -3 or -5” suffix to model number. Example: for model 280 with 35' cord. Order 280-3 280_P3 R010/7/2015 ©Copyright 2015 Liberty Pumps Inc. All rights reserved. Specifications subject to change without notice.
Page 16 ______A NEMA 1 indoor simplex control panel with four float switches and a high water alarm. ______A NEMA 4X outdoor duplex control panel with three float switches and a high water alarm. 280_P4 R010/7/2015 ©Copyright 2015 Liberty Pumps Inc. All rights reserved. Specifications subject to change without notice.
Page 18 The pump shall be run, voltage and current monitored, and the tester checks for noise or other malfunction. 15.01 QUALITY CONTROL The pump shall be manufactured in an ISO 9001 certified Facility. 16.01 WARRANTY Standard limited warranty shall be 3 years. 280_P6 R010/7/2015 ©Copyright 2015 Liberty Pumps Inc. All rights reserved. Specifications subject to change without notice.
Page 19 Cast Iron Submersible Sump/Effluent Pump 1/2 hp 1-1/2" Discharge 3/4" Solids Handling Quick-connect Power Cord Features • Liberty Pumps unique, one-piece “Uni-Body” casting • Quick-connect 10' standard power cord allows replacement of One-Piece Cast cord in seconds without breaking Motor Housing seals to motor (other lengths available) •...
Page 20: Motor Specifications
10" diameter sump Liberty Pumps - 7000 Apple Tree Avenue - Bergen, New York 14416 Specifications subject to change without notice. Phone 800-543-2550 - Fax 585-494-1839 - LibertyPumps.com Copyright © Liberty Pumps, Inc. 2020 All rights reserved. LLIT002000-R01/20...

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Vmf series 250 series 280 series 290 series Fl30 series Fl50 series ... Show all

Liberty Pumps FL Series Installation Manual

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