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Liberty Pumps LCU-PR20S User Manual

Liberty Pumps LCU-PR20S
16 pages
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1
Plenum-Rated
Condensate Pump
Installation
2235000A
Models
LCU-PR20S
LCU-PR220S
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Liberty Pumps LCU-PR20S Specifications

General IconGeneral
ModelLCU-PR20S
Voltage115 V
Flow Rate20 GPM
Max Head20 ft
Cord Length10 ft
Hertz60 Hz
PhaseSingle
Motor TypePermanent Split Capacitor (PSC)
Housing MaterialThermoplastic
Switch TypeAutomatic
Seal MaterialCeramic/Carbon
Pump TypeSubmersible
TypeSubmersible

Summary

Introduction

Safety Information

Please read, understand, and follow all safety instructions. Failure to follow instructions may result in property damage, serious injury, or death.

General Information

Features

Package Contents

Lists the parts included in the package, such as the condensate pump and inlet hole covers.

Specifications

Provides technical details for LCU-PR20S and LCU-PR220S models, including voltage, current, head height, and flow rate.

Installation

Place on Floor

Determine condensate pump location. Pump must be level and should be mounted to, or placed on, a solid surface or floor away from moving objects and extreme heat.

Attach to Wall (optional)

Attach condensate pump with screws, through mounting tabs (8" between mounting tabs).

Level Unit

Ensure that condensate pump is level. Unit out of level by more than 15° may not function properly and voids warranty.

Outlet Connection

Attach plastic tubing to check valve and secure with hose clamp. Route tubing up and away from pump.

Inlet Connection

Install condensate drain tubing into one of the four inlet holes, making sure tubing is vertical. Cut tubing to 45 degree angle.

Install Inlet Covers

Insert inlet covers in remaining condensate pump inlet holes.

Conduit Connection

Connect conduit fitting, route wires, and secure conduit into fitting. Ream conduit to prevent wire abrasion.

Safety Switch Wiring

Connect safety switch to Class II Low Voltage circuit, normally closed. Disconnect power before modifying.

Operation

Testing Float and Overflow Switch

Manually fill tank to test float operation and LED indicators. Overfill to test overflow switch functionality.

LED Indicator Status

Explains the meaning of Green, Amber, and Red LEDs indicating power, running, and alarm conditions.

Maintenance and Disassembly

Troubleshooting

Warranty

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