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Liberty Pumps LEPS Series Installation Manual

Liberty Pumps LEPS Series Installation Manual

Liberty engineered pump systems

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Installation Manual
For pressure sewer applications, verify a Redundant
Check Valve Assembly (curb stop and check valve) is
installed between the pump discharge and the street
main, as close to the public right-of-way as possible, on all
installations to protect from system pressures.
Installer: manual must remain with owner or
system operator/maintainer.
Record information from pump nameplate:
Model:
Serial:
Control Panel:
Mfg Date:
Install Date:
Dealer:
Dealer Ph:
Copyright © Liberty Pumps, Inc. 2021 All rights reserved.
Engineered
Systems
for Ordinary and
Hazardous Locations
Common Components
Fiberglass Basin
Sewage or Grinder Pump(s)
NEMA 4X Junction Box
Pre-Mounted Float System
Factory Installed Guide Rail System
7000 Apple Tree Avenue
Bergen, NY 14416
ph: 1-800-543-2550
fax: 1-585-494-1839
www.LibertyPumps.com/LEP
1620000B
60 Hz
Liberty
Pump
(LEPS)
Inlet Hub
Control Panel
Alarm System

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Summary of Contents for Liberty Pumps LEPS Series

  • Page 1 Installer: manual must remain with owner or system operator/maintainer. Record information from pump nameplate: Model: Serial: Control Panel: Mfg Date: Install Date: Dealer: 7000 Apple Tree Avenue Bergen, NY 14416 Dealer Ph: ph: 1-800-543-2550 fax: 1-585-494-1839 www.LibertyPumps.com/LEP Copyright © Liberty Pumps, Inc. 2021 All rights reserved.
  • Page 2 Overloaded branch circuit wires will get very hot and can catch on fire. When used, electrical outlets shall be simplex of the appropriate rating. 2 | EN Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 1620000B...
  • Page 3  All electrical and motor repairs and service must be Exercise caution using tools and do not use electronic devices performed by a repair facility approved by Liberty Pumps and or have live, exposed electrical circuits in or around basins, certified to work on explosion-proof motor enclosures.
  • Page 4 This section is not intended to serve as a basic instructional guide.  Do not introduce any consumer item that is not toilet paper The installation of Liberty Pumps basins is a specialized skill and is into a non-grinder (dewatering/effluent or sewage) pump/ assumed that the individuals who install our products and refer to pump system.
  • Page 5 Place backfill materials in 12” lifts and compacted to a minimum excavation materials separate from the approved backfill soil modulus of 700 pounds per square foot. materials. 1620000B Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 5 | EN...
  • Page 6 SAFE INSTALLATION PROCEDURES ARE ENTIRELY THE RESPONSIBILITY OF THE INSTALLER Figure 1. Basin Installation Reference 6 | EN Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 1620000B...
  • Page 7 9” below inlet • Maintain at least a 6” minimum differential between the Pump2 ON centerline bottom of the ALARM float and the bottom of the ON float. 1620000B Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 7 | EN...
  • Page 8 To change rotation, reverse any two of the three power leads to the pump (not the ground). Code the wires for reconnection after installation. 8 | EN Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 1620000B...
  • Page 9 Hazardous location guide rail systems are available These “NS” models (GR20NS, GR3NS, GR4NS) have identical performance to the GR-Series models shown, except they have a bronze (non-sparking) claw. 1620000B Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 9 | EN...
  • Page 10 Check all ball valves are open and make sure that all pumps in the system are able to evacuate water. 10 | EN Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 1620000B...
  • Page 11 It could be out of position, obstructed, or defective. 1620000B Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 11 | EN...
  • Page 12 Liberty Pumps, Inc. shall not be liable for any loss, damage or Rupture or failure of discharge plumbing either inside expenses resulting from installation or use of its products, or for...