General Information - Liberty Pumps Pro Serie Manuel D'installation

1. General Information

Before installation, read the following instructions carefully.
performance. Closely following these instructions will eliminate potential operating problems, assuring years of trouble-free service.

Risk of electric shock. To reduce risk of electric shock, always disconnect pump from power source before handling.

The electrical connections and wiring for a pump installation should only be made by qualified personnel.

This pump is supplied with a grounding conductor or a grounding-type attachment plug. To reduce the risk of electric shock,
be certain that the grounding conductor is connected only to a properly grounded control panel or, if equipped with a
grounding-type plug, that it is connected to a properly grounded, grounding-type receptacle.

Do not bypass grounding wires or remove ground prong from attachment plugs.

Do not remove cord and strain relief, and do not connect conduit to pump.

Do not use an extension cord.

This pump requires separate, properly fused and grounded branch circuit. Make sure the power source is properly sized for
the voltage and amperage requirements of the motor, as noted on the pump nameplate.

The electrical outlet or panel shall be within the length limitations of the pump power cord, and at least 4 feet above floor level
to minimize possible hazards from flood conditions.

These pumps are not to be installed in locations classified as hazardous in accordance with the National Electric Code,
ANSI/NFPA 70.

The installation must be in accordance with the National Electric Code and all applicable local codes and ordinances.

Do not use these pumps in water over 140F.

The Uniform Plumbing Code (UPC) states that sewage systems shall have an audio and visual alarm that signals a
malfunction of the system, to reduce the potential for property damage.
Pro-Series System: The Pro-Series 370, 380, and 680 systems are shipped from the factory fully assembled with a wide range of
possible pumps. The following chart lists the pumps available in the Pro370, Pro380, and Pro680. Your specific pump is identified by
the model number on the nameplate attached to the Pro-Series cover.
Systems ordered with alarm option have an "/A" suffix designating the alarm. "/A2" ...ALM-2, "/A2W" ...ALM-2W, "/A3" ...ALM-3
Side discharge systems will have SD attached to the pump model. "P382LE41SD-2, P382LE51SD-2/A2W, ..."
MODEL SPECIFICATIONS
System Model
P372LE41, P382LE41(V)
P382LE41SD
P373LE41, P383LE41
P682XLE41
P372LE51, P382LE51(V)
P382LE51SD
P373LE51, P383LE51
P682XLE51
P372LE52, P382LE52
P373LE52, P383LE52
P682XLE52
P372LE71, P382LE71
P373LE71, P383LE71
P372LE72, P382LE72
P373LE72, P383LE72
P372LE102, P382LE102
P373LE102, P383LE102
NOTE: LEH-Series High-Head pumps require a minimum application of 15' head.
P372LEH102, P382LEH102
P373LEH102, P373LEH102
Note: (V) denotes that the system is available with a vertical float.
*Amperage values are shown per pump. In a duplex system (P680), electrical service should be sized to accommodate both pumps.
Pump
HP Volts
Model
LE41M 4/10 115
LE41A 4/10 115
LE41M 4/10 115
LE41M 4/10 115
LE51M 1/2 115
LE51A 1/2 115
LE51M 1/2 115
LE51M 1/2 115
LE52M 1/2 208-230
LE52M 1/2 208-230
LE52M 1/2 208-230
LE71M 3/4 115
LE71M 3/4 115
LE72M 3/4 208-230
LE72M 3/4 208-230
LE102M 1 208-230
LE102M 1 208-230
LEH102M 1 208-230
LEH102M 1 208-230
Each Liberty pump is individually factory tested to ensure proper
Full Load Solids
Phase
Amps Handling
2"
12
1
12
2"
1
12
2"
1
12*
2"
1
2"
1 12
2"
1 12
2"
1 12
2"
1 12*
2"
1 6.8
2"
1 6.8
2"
1 6.8*
2"
1 12
2"
1 12
2"
1 6
2"
1 6
2"
1 7
1
2"
7
2"
1 12
2"
1 12
Shut-off
Discharge
Head (no-flow)
2" FNPT 17'
2" PVC NIPPLE 17'
3" FNPT 17'
2" FNPT 17'
2" FNPT 25'
2" PVC NIPPLE 25'
3" FNPT 25'
2" FNPT
25'
2" FNPT 25'
3" FNPT 25'
2" FNPT 25'
2" FNPT 28'
3" FNPT 28'
2" FNPT 28'
3" FNPT 28'
2" FNPT 36'
3" FNPT 36'
2" FNPT 53'
3" FNPT 53'
2