Liberty Pumps 2LE Series Installation Manual

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Installation Manual

Installer: manual must remain with owner or

system operator/maintainer.

Prior to installation, record information

from pump nameplate for future reference:

Model:

Serial:

Control Panel:

Mfg Date:

Install Date:

Dealer:

Dealer Ph:

2LE-Series

Open 2 Vane

Sewage Pumps

1.5–5 HP

2.5" Solids Handling

3LEV-Series

Vortex Sewage Pumps

1.5–5 HP

3" Solids Handling

7000 Apple Tree Avenue

Bergen, NY 14416

ph: 800-543-2550

fax: 585-494-1839

www.LibertyPumps.com/LEP

5459000C

60 Hz

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Summary of Contents for Liberty Pumps 2LE Series

Page 1 Prior to installation, record information from pump nameplate for future reference: Model: Serial: Control Panel: Mfg Date: Install Date: 7000 Apple Tree Avenue Dealer: Bergen, NY 14416 Dealer Ph: ph: 800-543-2550 fax: 585-494-1839 www.LibertyPumps.com/LEP Copyright © Liberty Pumps, Inc. 2021 All rights reserved.
Page 2  Some products may have internal capacitors that could cause so could result in serious injury or death. shock. Avoid contact with plug ends after removing from energy source. 2 | EN Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 5459000C...
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 Check for damaged electrical wires, especially where they exit be used. the motor housing. IMPORTANT: Each cable has a green lead. This is the ground wire Contact Liberty Pumps customer service to report any damage or ® and must be grounded properly per NEC and/or local codes.
Page 5 L3 L2 wiring plate POWER CORD Ground motor wires Black & Pink & Violet & White Blue Orange Brown Yellow Figure 3. Wiring Diagram 200/230V 3-phase 5459000C Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 5 | EN...
Page 6 Contact Set the second (turn-on) control above the lower turn-off control. Liberty Pumps or other qualified person if questions arise The exact distance between the two floats must be a compromise regarding proper pipe size and flow rates.
Page 7 If guide rails are used, refer to the separate instructions supplied Maintenance and Troubleshooting with the unit for proper installation and operation, making sure all gaskets and components are present. Contact Liberty Pumps for available models. RISK OF ELECTRIC SHOCK If guide rails are not used, complete all pump-mounted plumbing ...
Page 8 Severe operating environments will require more frequent checks. Uneven times indicate a defective unit, float switch or control. For any issues that are not resolvable, contact Liberty Pumps for further assistance. Inspect the control panel for any presence of moisture in...
Page 9 Motor stops and then restarts after short Pump operating on a short cycle due to basin period but overload A larger basin may be required. Consult Liberty Pumps. being too small. heaters in starter do not trip. Improper float switch setting.
Page 10 Check valve not installed, stuck open, or leaking. for freedom of operation and proper installation. when fixtures are not in use. Fixtures are leaking. Repair fixtures as required to eliminate leakage. 10 | EN Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 5459000C...
Page 11 Incorrect motor rotation. wiring in Figure 2, else consult factory. 3-phase: correct pump rotation direction. Refer to section 3-Phase Pump Rotation Verification. Foreign matter buildup. Clean motor housing. 5459000C Copyright © Liberty Pumps, Inc. 2021 All rights reserved. 11 | EN...
Page 12 Liberty Pumps, Inc. shall not be liable for any loss, damage or expenses resulting from installation or use of its products, or for consequential damages, including field labor costs, travel...

This manual is also suitable for:

3lev series