Liberty Pumps LGV02 Series Installation Manual
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Liberty Pumps LGV02 Series Installation Manual

2.5 hp submersible grinder pumps
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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. 2022 All rights reserved.
LGV02-Series
Single Stage
LGH02-Series
Two Stage
Ordinary Location Models
2.5 hp
Submersible
Grinder Pumps
7000 Apple Tree Avenue
Bergen, NY 14416
ph: 1-800-543-2550
fax: 1-585-494-1839
www.LibertyPumps.com/LEP
5595000B
60 Hz

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Summary of Contents for Liberty Pumps LGV02 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. 2022 All rights reserved.

  • Page 2: Safety Precautions

     Some products may have internal capacitors that could cause Failure to do so could result in serious injury shock. Avoid contact with plug ends after removing from or death. energy source. 2 | EN Copyright © Liberty Pumps, Inc. 2022 All rights reserved. 5595000B...
  • Page 3  For cord replacement: power cord must be of the same length corrosive fluids. Do not use in a flammable and/or explosive and type as originally installed on the Liberty Pumps product. atmosphere as serious injury or death could result.

  • Page 4: General Information

    Visually check the pump and any spare parts for damage. Check for damaged electrical wires, especially where they exit the motor housing. Contact Liberty Pumps customer service to report any damage or shortage of parts. 4 | EN Copyright © Liberty Pumps, Inc. 2022 All rights reserved.

  • Page 5: Wiring Instructions

    White (7) nameplate. Figure 1. 1-Phase Wiring Diagram 575V 3PH 208–230V 3PH 440–480V 3PH Figure 2. 3-Phase Wiring Connections 5595000B Copyright © Liberty Pumps, Inc. 2022 All rights reserved. 5 | EN...

  • Page 6: Installation

    For 3-phase pumps, rotation must be rotations. clockwise when looking from the top of the pump. The correct direction is also stamped on the bottom of the volute. 6 | EN Copyright © Liberty Pumps, Inc. 2022 All rights reserved. 5595000B...

  • Page 7: Operation

    Contact (option 3). Liberty Pumps or other qualified person if questions arise regarding proper pipe size and flow rates. Pressure Sewer Applications...

  • Page 8: Maintenance And Troubleshooting

    No repair work shall be carried out during the warranty period without prior factory approval. To do so may void the warranty. Liberty Pumps, Inc. assumes no responsibility for damage or injury RISK OF ELECTRIC SHOCK due to disassembly in the field. Disassembly, other than an authorized motor enclosure repair facility approved by Liberty ...
  • Page 9 Missing or faulty curb stop/swing check valve Verify presence of a curb stop check valve or allowing system pressure to feed back through replace curb stop/swing check valve assembly. discharge piping. 5595000B Copyright © Liberty Pumps, Inc. 2022 All rights reserved. 9 | EN...
  • Page 10 Pump runs periodically when installation. fixtures are not in use. Fixtures are leaking. Repair fixtures as required to eliminate leakage. 10 | EN Copyright © Liberty Pumps, Inc. 2022 All rights reserved. 5595000B...
  • Page 11 Verify presence of a curb stop check valve or High level alarm triggering. allowing system pressure to feed back through replace curb stop/swing check valve assembly. discharge piping. 5595000B Copyright © Liberty Pumps, Inc. 2022 All rights reserved. 11 | EN...

  • Page 12: Warranty

    Liberty Engineered Products Limited Warranty Liberty Pumps, Inc. warrants that pumps of its Engineered Product line are free from all factory defects in material and workmanship for a period of 18 months from the date of installation or 24 months from the date of manufacture, whichever occurs first, and provided that such products are used in compliance with their intended applications as set forth in the Liberty Engineered Products specifications and technical manuals.

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Lgh02 series

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