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Installation Manual
Sewage and Grinder Pump Battery Backup
Model LNV100
for pumps up to 1800 W
Features
• Charging system automatically recharges/maintains
batteries after use
• Low battery alarm
• Works with marine-type deep cycle batteries
®
– StormCell
batteries recommended
– Batteries not included
Battery Cell #
Specific Gravity
Voltage
Date
Copyright © Liberty Pumps, Inc. 2025 All rights reserved.
Installer: Manual
must remain with
owner/operator.
Model:
Serial:
Mfg Date:
Install Date:
Keep this manual handy for future reference.
For replacement manual, visit LibertyPumps.com, or contact
Liberty Pumps.
Retain dated sales receipt for warranty.
7000 Apple Tree Avenue Bergen, NY 14416
ph: 1-800-543-2550
fax: 1-585-494-1839
www.LibertyPumps.com
Battery Recommended
7656000A
Record information:
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Table of Contents
Troubleshooting
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Summary of Contents for Liberty Pumps LNV100
- Page 1 Keep this manual handy for future reference. For replacement manual, visit LibertyPumps.com, or contact Liberty Pumps. Retain dated sales receipt for warranty. 7000 Apple Tree Avenue Bergen, NY 14416 ph: 1-800-543-2550 fax: 1-585-494-1839 www.LibertyPumps.com Copyright © Liberty Pumps, Inc. 2025 All rights reserved.
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Page 2: Safety Guidelines
Any person who is unaware of the dangers, or has not read this manual, can easily be injured by inappropriate use of the system. Do not allow children to play with this product. 2 | EN Copyright © Liberty Pumps, Inc. 2025 All rights reserved. 7656000A... -
Page 3: General Information
24 volts, and whose single or combined Ah rating does not exceed 250 Ah. The continuous load on the LNV100 should not exceed 15A running with a 60A startup surge rating. - Page 4 OVERLOAD the unit. Battery Status LEDs The LNV100 has an integrated testing function to evaluate the condition of the connected battery’s health, and displays the result on one of three LEDs located in the center of the top panel below the CHARGING WHEN FLASHING LED.
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Page 5: System Components
BACKUP MODE LED is ON Battery Cables • Power switch is ON Use only the cables furnished with the LNV100 as they are • Unit is unplugged from the AC outlet (or equipped with the terminations necessary for reliable and solid AC power is not available) connections. -
Page 6: Installation
LNV100 Do not block either the fan or the exit air ports of the LNV100. PUMP Allow at least 2 inches of air clearance on all sides. Any room... -
Page 7: System Test
Cycle the pump to ensure operation in BACKUP MODE mode. NOT TO SCALE Plug the LNV100 power cord back into the AC wall outlet. Cycle the pump. Note that after 2 seconds the CHARGING WHEN FLASHING LED is lit. This is normal and is an Cover the battery box(es) and secure the lid(s). -
Page 8: Warranty
Turn the ON/OFF switch on the LNV100 to the OFF position. noting the model and serial number of the pump. The dated sales Unplug the input power cord of the LNV100 from the wall AC receipt must accompany the returned pump if the date of return is outlet.
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