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Liberty Pumps 250 - User Manual

Liberty Pumps 250
33 pages
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©Copyright 2017 Liberty Pumps Inc. All rights reserved
Installation Manual 7035000N
Heavy Duty Submersible Effluent/Dewatering Pumps
*Do not throw away or lose this manual.
Models
250-Series 1/3 HP
280-Series 1/2 HP
290-Series 3/4 HP
FL30-Series 1/3 HP
FL50-Series 1/2 HP
FLH60-Series 6/10 HP
FL60-Series 6/10 HP
FL70-Series 3/4 HP
FL100-Series 1 HP
FL150-Series 1-1/2 HP
FL200-Series 2 HP
Contents
Safety Information
General Information
Dewatering/Sump Applications
Effluent Applications
Electrical Service and Operation
Maintenance and Troubleshooting
Warranty
7000 Apple Tree Avenue
Bergen, NY 14416
Phone: (800) 543-2550
Fax: (585) 494-1839
www.libertypumps.com

Questions and Answers

  • C
    Cynthia BarnesJul 27, 2025
    Why Liberty Pumps 250 Water Pump won't run?
    • D
      darrellgarciaJul 27, 2025
      If your Liberty Pumps Water Pump isn't running, there are several potential causes. It could be due to a blown fuse or power interruption, or improper voltage. Ensure the unit is securely plugged in and have an electrician inspect the wiring. The switch may be obstructed, preventing it from turning on, so ensure the pump or switch has enough clearance. Also, the liquid level might be insufficient to activate the switch. Finally, the switch itself could be defective and need replacement.
  • W
    warrenbrianAug 2, 2025
    What to do if Liberty Pumps 250 Water Pump runs but doesn't pump?
    • M
      Michael OconnorAug 2, 2025
      If your Liberty Pumps Water Pump runs or hums but isn't pumping water, consider these possibilities. The discharge line might be blocked; check for any obstructions, including ice if the line runs through cold areas. The check valve could be stuck or installed backward; remove and inspect it. Ensure that any gate or ball valves are open. The pump's total lift capability might be exceeded; try routing the piping to a lower level, or consult the factory about a larger pump. Lastly, the impeller could be jammed or the volute casing plugged; remove the pump, detach the base, clean around the impeller, and reinstall.
  • S
    Stephanie PruittAug 8, 2025
    What to do if Liberty Pumps 250 Water Pump will not turn off?
    • T
      Tammy BensonAug 8, 2025
      If your Liberty Pumps Water Pump won't turn off, it could be caused by a couple of things. The switch might be obstructed, preventing it from moving to the 'turn off' position. Ensure the pump or switch has adequate clearance for free operation. Alternatively, the switch itself could be defective and require replacement.
  • Q
    qdorseyAug 14, 2025
    How to fix a noisy Liberty Pumps 250?
    • K
      Kenneth ParkerAug 14, 2025
      A noisy Liberty Pumps Water Pump could be due to several reasons. There might be foreign objects in the impeller cavity; remove the pump, detach the base, clean the impeller area, and reassemble. A broken impeller could also be the culprit, consult the factory for information regarding replacement of impeller. Worn bearings can cause noise; return the pump to the factory or authorized repair station for repair. Finally, rigid piping attachments to the building can transmit noise; replace part of the discharge line with a rubber hose or connector.
  • J
    Juan MiddletonAug 20, 2025
    Why does Liberty Pumps 250 Water Pump run periodically?
    • J
      Jennifer GarzaAug 20, 2025
      If your Liberty Pumps Water Pump runs periodically even when fixtures aren't in use, it could be due to a check valve issue. The check valve might be missing, stuck open, or leaking; remove and inspect it for proper function and installation. Another possibility is leaking fixtures; repair any leaks to stop the pump from cycling unnecessarily.

Summary

Safety Information

Safety Alerts and Warnings

Explains safety alert symbols (Danger, Warning, Caution, Notice) and specific risks like electric shock, fire, and injury.

General Information

Dewatering Sump Applications

Effluent Applications

Simplex One Pump Systems

Describes installation and discharge requirements for single-pump effluent systems with diagrams.

Duplex Two Pump Systems

Details setup for two-pump effluent systems, including float placement and discharge connection.

Electrical Service and Operation

Float Switch Operation

Explains how float switches enable automatic pump operation and manual bypass via cord separation.

3 Phase Pump Models

Provides guidance on checking impeller rotation for 3-phase pumps before installation.

Maintenance

Troubleshooting

3 Year Limited Warranty

Liberty Pumps 250 Specifications

General IconGeneral
BrandLiberty Pumps
Model250
CategoryWater Pump
LanguageEnglish

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