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Little Giant VCCA-20ULS - User Manual

Little Giant VCCA-20ULS
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VCCA-20ULS Condensate Pump Series
OWNER'S MANUAL
English
EN
This condensate pump automatically removes condensate water that drips from an air conditioner evapo-
rator coil, refrigeration equipment coil, condensing furnace, or condensing boiler. The pump is controlled
by a float switch mechanism, which automatically starts and stops the pump.
All models also include a high water level switch, which opens a
thermostat circuit when the pump reservoir is full, stopping pro-
duction of condensate. Alternatively, this switch can be reconfig-
ured to close a circuit, which can operate an external alarm or
relay, (purchased separately).
This product is covered by a Limited Warranty for a period of
12 months from the date of original purchase by the consumer. For complete warranty information, refer to
www.LittleGiant.com
.
Specifications
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:
Model Volts HZ Amps Watts Shut Off
VCCA-20ULS
115 60 1.5 93 20’ (6.1 m)
230 50/60 0.6/0.5 75 17’ (5.2 m)
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 electri-
cally disconnected.
If the power disconnect is out of sight, lock it in the open position and tag it to prevent unexpected application of
power.

Questions and Answers

  • A
    awelchJul 28, 2025
    What to do if condensate is overflowing from the Little Giant VCCA-20ULS Water Pump tank?
    • T
      Tony JoyceJul 28, 2025
      If condensate is overflowing from the tank of your Little Giant Water Pump, several issues could be the cause. First, ensure the pump is connected to electrical power via a dedicated GFCI circuit. A larger pump may be required if the liquid inflow matches or exceeds the pump's output capacity. Also, the high level switch should shut off the A/C unit or signal an alarm in this condition if connected in the circuit correctly. Make sure the pump is level; place it on a flat surface. Clean the float to remove any debris. Inspect the check valve for proper operation and clear any blockages in the outlet tubing or impeller housing. Clean inlet and outlet piping. If none of these steps work, the switch or motor may be defective, requiring pump replacement.
  • A
    alexisjonesAug 1, 2025
    Why won't my Little Giant Water Pump start when the tank is full?
    • J
      Jeremy GloverAug 2, 2025
      If your Little Giant Water Pump doesn't start when the tank is full, several factors could be responsible. First, ensure the pump is properly connected to a dedicated GFCI circuit and that the circuit breaker is on or the fuse is intact. Check the float for debris or buildup, cleaning it to ensure it's not too heavy to operate correctly. Also, inspect the float's movement path for any obstructions and remove them. If these steps don't resolve the issue, the switch or motor may be defective, necessitating pump replacement.
  • A
    Adrian Diaz IIAug 7, 2025
    What to do if Little Giant Water Pump runs but does not discharge liquid?
    • K
      Katherine RoseAug 7, 2025
      If your Little Giant Water Pump runs but doesn't discharge liquid, the issue might stem from several causes. Begin by inspecting the check valve to ensure it isn't stuck or plugged. Next, verify that the lift isn't too high for the pump's rated performance. Also, check the inlet to the impeller for any blockages and clean them. Finally, inspect the outlet tubing for kinks or obstructions, clearing any slime or debris. Clean inlet and outlet piping.
  • S
    Sean NelsonAug 11, 2025
    How to fix a Little Giant VCCA-20ULS that won't shut off?
    • K
      Kyle NobleAug 12, 2025
      To fix a Little Giant Water Pump that won't shut off, start by checking for any obstructions to the float's movement and remove any debris. If the liquid inflow exceeds the pump's capacity, a larger pump may be required. Ensure the high level switch is correctly connected to the A/C unit or alarm circuit. If these steps don't resolve the issue, the switch may be defective, requiring pump replacement.
  • R
    Rebecca RamirezAug 17, 2025
    Why is my Little Giant VCCA-20ULS Water Pump not delivering rated capacity?
    • H
      Henry WalshAug 17, 2025
      If your Little Giant Water Pump isn't delivering its rated capacity, several factors could be at play. Begin by checking the check valve to ensure it isn't stuck or plugged. Verify that the lift isn't too high for the pump. Also, check that the supply voltage matches the nameplate rating. Finally, inspect the impeller and discharge pipe for clogs, scale, or corrosion. Pull pump and clean. Check pipe for scale or corrosion.
  • H
    Holly MedinaAug 22, 2025
    What causes a Little Giant VCCA-20ULS to cycle continually?
    • P
      Phillip JohnsonAug 22, 2025
      A Little Giant Water Pump that cycles continually may have a leaking check valve. Remove the check valve and inspect it for proper operation.

Summary

Specifications

Product Overview

Overview of the VCCA-20ULS condensate pump, its function, and warranty.

Technical Specifications

Details on model, voltage, frequency, amperage, wattage, and shut-off head.

Safety Instructions

Safety Warnings and Cautions

Critical safety information regarding electrical shock, fire, and personal injury.

Installation

Physical Installation

Guidelines for mounting the pump and ensuring proper ventilation and leveling.

Piping Connections

Instructions for connecting inlet and outlet tubing, including check valve installation.

Electrical Connections

Guidance on wiring the pump to a power source and circuit requirements.

High Water Level Switch Connection

Details on connecting the high water level switch for alarm or unit shutoff.

Maintenance

Operation Testing

Procedures for testing the pump's operating switch and high water level safety switch.

Maintenance Procedures

Steps for inspecting and cleaning the pump, tank, and associated components.

Troubleshooting

Common problems, their probable causes, and corrective actions for the condensate pump.

Replacement Parts

List of available part numbers and their descriptions for the condensate pump.

Little Giant VCCA-20ULS Specifications

General IconGeneral
ModelVCCA-20ULS
CategoryWater Pump
TypeSubmersible Utility Pump
Horsepower1/6 HP
Voltage115V
Amperage3.5A
Maximum Head20 ft
Cord Length10 ft

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