Liberty Pumps 250 Series Installation Manual
Submersible dewatering/effluent pumps
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Also See for 250 Series:
- Installation manual (34 pages) ,
- Instruction manual (30 pages) ,
- Installation manual (21 pages)
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Installation Manual
Submersible Dewatering/Effluent Pumps
Models
250-Series
280-Series
290-Series
FL30-Series
FL50-Series
FL60-Series
FLH60-Series
FL70-Series
FL100-Series
FL150-Series
FL200-Series
7000 Apple Tree Avenue
Bergen, NY 14416
ph: 800-543-2550
fax: 585-494-1839
www.LibertyPumps.com
1/3 hp
1/2 hp
3/4 hp
1/3 hp
1/2 hp
6/10 hp
6/10 hp
3/4 hp
1 hp
1-1/2 hp
2 hp
Copyright © Liberty Pumps, Inc. 2019 All rights reserved.
7035000P
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Table of Contents
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Summary of Contents for Liberty Pumps 250 Series
- Page 1 1/2 hp FL60-Series 6/10 hp FLH60-Series 6/10 hp FL70-Series 3/4 hp FL100-Series 1 hp FL150-Series 1-1/2 hp FL200-Series 2 hp 7000 Apple Tree Avenue Bergen, NY 14416 ph: 800-543-2550 fax: 585-494-1839 www.LibertyPumps.com Copyright © Liberty Pumps, Inc. 2019 All rights reserved.
- Page 2 Pump Model #: For replacement manual, visit LibertyPumps.com, Pump Serial #: or contact Liberty Pumps at 1-800-543-2550. Manufacture Date: Retain dated sales receipt for warranty. Install Date: 2 | EN Copyright © Liberty Pumps, Inc. 2019 All rights reserved. 7035000P...
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Page 3: Safety Precautions
For cord replacement: power cord must be of the same Always disconnect pump(s) from power source(s) before length and type as originally installed on the Liberty Pumps handling or making any adjustments to either the pump(s), product. Use of incorrect cord may lead to exceeding the the pump system, or the control panel. -
Page 4: Model Specifications
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. 2019 All rights reserved. -
Page 5: Pump Design
Mounting, installation, and wiring connections are specific to the control panel used. Refer to the manufacturer’s instructions supplied with the unit. 7035000P Copyright © Liberty Pumps, Inc. 2019 All rights reserved. 5 | EN... - Page 6 4” 9.5” the impeller and possible jamming. 4” user-set “The Brick” (Liberty Pumps #4445000) is a pre-molded stable 291, 293 7” 13” platform designed to fit the 250, 280, and 290-Series submersible pumps. It raises the pump 2-1/2” off the bottom of the basin, 4”...
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Page 7: Installation
Larger pipe sizes may be required to eliminate With main power disconnected, complete pump and control friction head loss over long runs. Contact Liberty Pumps or other wiring connections per manufacturer’s wiring diagrams included qualified person if questions arise regarding proper pipe size and with the control panel as applicable. - Page 8 Figure 4. Typical Simplex System Installation (variations may apply) must not contact the pump, piping, or other objects. 8 | EN Copyright © Liberty Pumps, Inc. 2019 All rights reserved. 7035000P...
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Page 9: Operation
Install a check valve after the union to prevent the backflow of Contact Liberty Pumps or other qualified person if there are liquid after each pumping cycle. questions regarding proper pipe size and flow rates. -
Page 10: Maintenance And Troubleshooting
Liberty Pumps, Inc. assumes no responsibility for damage or injury due to disassembly in the field. Disassembly, other than an Do not enter a pump basin after it has been used. Sewage authorized repair facility approved by Liberty Pumps or its and effluent can emit several gases that are poisonous. - Page 11 Improper voltage. connections and adequate voltage and capacity. Obstruction in pump. Remove obstruction. Incorrect 3-phase motor rotation. Correct 3-phase pump rotation direction. Foreign matter buildup. Clean motor housing. 7035000P Copyright © Liberty Pumps, Inc. 2019 All rights reserved. 11 | EN...
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Page 12: Warranty
Liberty Pumps, Inc. shall not be liable for any loss, damage, or expenses resulting from installation or use of its products, or for indirect, incidental, and consequential damages, including costs of removal, reinstallation or transportation.
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