Little GIANT 505717 5-Series Submersible Pumps Owner’s Manual

OWNER’S MANUAL
5-Series Submersible Pumps

505717 5-Series Submersible Pumps

This submersible, multi-purpose pump is designed for clearwater transfer applications and household water removal.
This pump series is available in manual and automatic models. The manual pump can be converted to operate in automatic mode by installing a separate liquid level control. The pump motor is equipped with an automatic resetting thermal protector and may restart unexpectedly. Thermal Protector tripping indicates motor overloading or overheating.
This product is covered by a Limited Warranty for a period of 1 year from the date of original purchase by the consumer. For complete warranty information, refer to www.LittleGiant.com.

Specifications

Voltage| HP| PSI| Hz| Watts| Amps (FLA)|

Breaker Amps

---|---|---|---|---|---|---
115| 1/6| 11.4| 60| 220| 2.0| 15
230| 1.0| 10

Flow Rates

Gallons/Liters per Hour at Height (Head)

|

Shut Off ft (m)

---|---

1 ft (0.3 m)

| 3 ft (0.9 m)| 5 ft (1.5 m)| 10 ft (3 m)|

20 ft (6 m)

1500 / 5678| 1464 / 5542| 1395 / 5281| 1191 / 4508| 528 / 1999| 26.3 (8)

SAFETY INSTRUCTIONS

This equipment should be installed and serviced by technically qualified personnel who are familiar with the correct selection and use of appropriate tools, equipment, and procedures. Failure to comply with national and local electrical and plumbing codes and within Little Giant recommendations may result in electrical shock or fire hazard, unsatisfactory performance, or equipment failure.
Know the product’s application, limitations, and potential hazards. Read and follow instructions carefully to avoid injury and property damage. Do not disassemble or repair unit unless described in this manual. Refer to product data plate(s) for additional precautions, operating instructions and specifications. Failure to follow installation or operation procedures and all applicable codes may result in the following hazards:

Risk of death, personal injury, or property damage due to explosion, fire, or electric shock.

• Do not use to pump flammable, combustible, or explosive fluids such as gasoline, fuel oil, kerosene, etc.
• Do not use in explosive atmospheres or hazardous locations as classified by the NEC, ANSI/NFPA70.
• Do not handle a pump or pump motor with wet hands or when standing on a wet or damp surface, or in water.
• When a pump is in its application, do not touch the motor, pipes, or water until the unit is unplugged or electrically disconnected.
• If the power disconnect is out of sight, lock it in the open position and tag it to prevent unexpected application of power.

**Flow Rates

High voltages capable of causing severe injury or death by electrical shock are present in this unit.**

• To reduce risk of electrical shock, disconnect power before working on or around the system. More than one disconnect switch may be required to de-energize the equipment before servicing.

• Be certain that this pump is connected to a circuit equipped with a ground fault circuit interrupter (GFCI) device if required by code.

• Some pumps are supplied with a grounding conductor and grounding-type attachment plug. To reduce risk of electric shock, be certain that it is connected only to a properly grounded grounding-type receptacle. Do not remove the third prong from the plug.

• Some pumps are supplied with lead wires and are intended to be hardwired using a junction box or other approved enclosure.
  This type of pump includes a grounding connector. To reduce risk of electric shock, be certain that it is properly connected to ground.

• Be sure the electrical connection cannot be reached by rising water. Under no circumstances should the junction box be located where it may become flooded or submerged by water.

• Check electrical outlets with a circuit analyzer to ensure power, neutral, and ground wires are properly connected. If not, a qualified, licensed electrician should
  correct the problem.

• Wire pump system for correct voltages.

• Do not use the power cord for lifting the pump.

• Do not use an extension cord.

Risk of bodily injury, electric shock, or equipment damage.

• This equipment must not be used by children or persons with reduced physical, sensory or mental abilities, or lacking in experience and expertise, unless supervised or
  instructed. Children may not use the equipment, nor may they play with the unit or in the immediate vicinity.

• Equipment can start automatically. Always unplug the pump power cord and disconnect the electrical power before servicing the pump or switch.

• An inoperative or malfunctioning pump could lead to flooding, resulting in personal injury or property damage.

• In applications where property damage and/or personal injury might result from an inoperative or leaking pump due to power outages, discharge line blockage, or any other reason, an automatic back-up system and/or an alarm should be installed.

• Do not run the pump dry. If run dry, the surface temperature of the pump will rise to a high temperature that could cause skin burns if touched, and will cause serious damage to the pump.

• Do not oil the motor. This unit is permanently lubricated. Oiling is not required. The pump’s motor housing is sealed. Do not open the sealed portion of the unit or remove housing screws. Opening the motor housing could cause serious electric shock and/or permanent damage to the pump.

• The pump has been evaluated for use with water only. Pump should only be used with liquids compatible with pump component materials. If the pump is used with liquids incompatible with the pump components, the liquid can cause failure to the electrical insulation system resulting in electrical shock.

• Operation of this equipment requires detailed installation and operation instructions provided in this manual for use with this product. Read entire manual before starting installation and operation. End User should receive and retain manual for future use.

• Keep safety labels clean and in good condition.

• If an accessory float switch or other liquid level control is installed, refer to manufacturer’s instructions. Failure to install control in compliance with national and local electrical and plumbing codes and within manufacturer’s recommendations may result in electrical shock or fire hazard, unsatisfactory performance, or equipment failure.

• Pumping sand or other abrasives can damage the pump and void the warranty.

NOTICE
Risk of damage to pump or other equipment.

• Do not use this pump for pumping sea water, beverages, acids, chemical solutions, or any other liquid that promotes corrosion as this can result in damage to the pump.
• Do not run pump dry. For optimal cooling and to prolong the motor life, the liquid level being pumped should normally be above the top of the pump housing.
• This pump is not suitable for pond applications.
• Warranty is void if the motor housing cover or power cord have been removed.

INSTALLATION

Physical Installation

IMPORTANT: Do not plug in the pump until all plumbing connections are complete and pump is secure.

1. Connect a garden hose using the 3/4 inch garden hose adapter or connect 1 inch MNPT threaded pipe or hose directly to the 1 inch FNPT discharge port.
   • If using the 3/4 inch garden hose adapter, performance will be reduced by approximately 15%.
   • If flexible vinyl tubing is used, a clamp can be used on the tubing to restrict the flow.

2. Place the pump vertically on a flat, solid surface in the water to be removed.
   • The water should be at least 3/4 inch deep.
   • The pump should be totally submerged for proper cooling when operated for extended periods.
   • Never place the pump directly on clay, earth, or gravel surfaces.

3. Position the free end of the hose or pipe where the water is to be relocated.

4. For water containing high mineral content (hard water) or metals, use a pump with an attached sacrificial anode to prevent galvanic corrosion.
   • Contact your local distributor for the model SA-1 by Little Giant.

Electrical Connections
Connect the power cord to a constant source of power matching the pump nameplate voltage.

• The pump should be connected or wired to its own circuit, with no other electric receptacles or equipment in the circuit.

• The fuses or circuit breaker should be of ample capacity in the electrical circuit.
  NOTE: If a fused-type plug is used on 230 V units, a 5.0 amp fuse is recommended.
  Some models are supplied with a stripped wire cord end. Wires are color coded as follows:

• Green/yellow = Ground

• Brown = Line

• Blue = Line (230 V) or Neutral (115 V)

Manual Pump Models
Manual pumps are plugged into a dedicated GFCI receptacle and are controlled by either switching the power or unplugging the cord. Convert to automatic mode by installing a separate liquid level control, according to the manufacturer’s instructions.

Automatic Pump Models
The automatic pumps have piggyback plugs on the switch cords.

1. Plug the pump cord into the float switch cord.
2. Plug the float switch cord into the outlet.

OPERATION TESTING

Testing Manual Pump Operation
NOTICE
Risk of damage to pump or other equipment.

• Always check the power cord and electric receptacle for damage or corrosion before each use. The power cord on these units cannot be replaced. If damaged, replace the pump.
• Do not let the unit run dry (without liquid). It is designed to be cooled by pumping fluid. The seal may be damaged and the motor may fail if the pump is allowed to run dry.
• Do not let the unit freeze. Freezing may cause cracking or distortion that may destroy the unit.

Testing Manual Pump Operation

1. Plug the power cord directly into an electrical outlet or switch on power at the junction box.

2. Confirm that the pump is functioning as intended.
   • A pump with screen will remove water within 1/8 inch.
   • A pump without screen will remove water within 1/16 inch.

3. Unplug the unit as soon as the pump stops pumping water or the suction sound changes.
   • If the unit is going to be idle for a period of time, follow the cleaning instructions in “Periodic Service” on page 5.

Testing Automatic Pump Operation
Some pump models are equipped with a diaphragm switch. For the switch to function properly, it must be is vented to the atmosphere through a breather tube routed through the pump’s power cord.

1. Place the pump in an empty test basin.

2. Connect the pump to power with correct voltage. Refer to the pump nameplate.
   • If there is a valve on the discharge line, be sure the it is open.

3. Run water into the basin until the pump is activated. Do not run the pump without water.

4. Ensure the pump and its control switch are functioning as intended.
   • If the pump doesn’t turn on, refer to “Testing the Diaphragm Switch” on page

6. Confirm that the ON/OFF levels are within specification.
   • A pump with screen will remove water within 1/8 inch. A pump without screen will remove water within 1/16 inch.

7. Allow the pump to operate through several ON/OFF cycles.

MAINTENANCE

Periodic Service
Testing the Diaphragm Switch

The suction causes the switch diaphragm to draw inward, activating the switch inside the switch housing.
When syringe is released, the diaphragm returns to its original position deactivating the switch inside the switch housing.
NOTE: This test is recommended for bench testing only.

1. Squeeze the bulb of a suction bulb syringe to create suction.
2. Insert the small end of the syringe into the breather tube of the power cord or stripped end of the power cord.
3. Release the bulb to induce suction/vacuum.
4. Listen for the switch to make a click sound.
5. Once the suction/vacuum equalizes, listen for the diaphragm switch to release.

Risk of severe injury or death by electrical shock, high temperatures, or pressurized fluids.

• Always unplug the pump power cord in addition to removing the fuse or shutting off the circuit breaker before working on the pump or switch.
• Let pump cool for a minimum of 2 hours before attempting to service. Submersible pumps can become pressurized and hot under normal operating conditions.

NOTICE
Risk of damage to pump or other equipment.

• Do not remove the motor housing cover.
• Do not remove the impeller. This action requires special tools and may damage the pump.

1. Disconnect the pump from electric power.
2. Disconnect the discharge hose from the pump.
3. Remove the screen by prying in the slots between the screen and the volute.
4. Remove the screws that hold the volute to the motor housing.
5. Remove the volute, being careful not to lose the seal ring.
6. Clean the impeller and the volute passage. Do not use strong solvents on the impeller.
7. If the impeller is removed, make sure it is spaced 0.05 inches (1.27 mm) when reassembled.
8. Be sure the impeller turns freely after cleaning.
9. Replace the seal ring into the volute and secure the volute to the motor housing with screws.
10. Replace the screen onto the volute.

Troubleshooting

Problem

| Probable Causes|

Corrective Action

---|---|---

Pump does not turn on

| Pump not connected to electrical power| Connect pump to a dedicated circuit equipped with GFCI.
Circuit breaker off or fuse removed| Turn on circuit breaker or replace fuse.
Defective motor| Replace pump.
Pump will not shut off| Liquid inflow matches pump capacity| Larger pump required.
Pump runs but does not discharge liquid| Lift too high for pump| Check rated pump performance.
Inlet to impeller plugged| Pull pump and clean.

Pump does not deliver rated capacity

| Lift too high for pump| Check rated pump performance.
Low voltage, speed too slow| Check that supply voltage matches the nameplate rating.
Impeller or discharge pipe is clogged| Pull pump and clean. Check pipe for scale or corrosion.
Impeller wear due to abrasives| Replace pump.

Replacement Parts

For technical assistance, parts, or repair, please contact:
800.701.7894 | littlegiant.com
10000005491 Rev. 003 02/22Franklin Electric Co., Inc. | Oklahoma City, OK 73157-2010
Copyright © 2022, Franklin Electric, Co., Inc. All rights reserved.

References

• HVAC and Wastewater Pumps & Systems | Little Giant
• HVAC and Wastewater Pumps & Systems | Little Giant

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