Installation; Operation - Liberty Pumps S30 Serie Manual De Instalación

3. Installation

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A.) Removal of the old pump (NOTE: Disconnect pump from power source before handling): Separate the discharge pipe
at either the check valve or at the union. If neither a check valve nor a union is part of the existing discharge pipe, cut the
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pipe with a hacksaw and remove the pump (A union or check valve will need to be installed at this cut).
B.) The discharge size is 1-1/2" NPT Do not reduce the discharge size to less than 1-1/4", as this will affect pump flow and
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performance. Schedule 40 PVC pipe is recommended; however, flexible discharge hose kits may be used for temporary
installations.
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Connect the pipe or the discharge hose to the discharge of the pump. HAND TIGHTEN ONLY, over-tightening can damage
C.)
the pump discharge.
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Install a union or other means of separating the discharge pipe just above the floor to facilitate removal of the pump if
D.)
necessary. A check valve is recommended just above or in place of the union to prevent the back-flow of water
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after each pump cycle.
E.) Connect additional pipe as necessary to direct the discharge to the desired location. Discharge should be kept
as short as possible with a minimum number of turns.
F.) Model S37, S37-P and S38: When placing the pump in the basin assure that float switch has adequate
clearance in pit and will not interfere with side wall.
G.) For added protection, consider the addition of a back-up pump such as Liberty's SJ10 SumpJet, as well as an
alarm such as Liberty's ALM-2 in applications where loss of pump function could result in property damage. If
an alarm is used, it must be connected to a separate electrical circuit.

4. Operation

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A separate branch circuit, properly fused and grounded, should be provided to the pump. Make sure the power
source is properly sized for the voltage and amperage requirements of the motor as noted on the pump nameplate.
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If electrical receptacle is corroded or worn it should be replaced to ensure reliable operation of the pump. The
electrical outlet or panel shall be within the length limitations of the pump power cord and at least 4 feet above floor
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level to minimize possible hazards from flood conditions. Check to make sure installation is in accordance with the
National Electric Code and all applicable local codes and ordinances. Wiring extended over greater distances must
be in accordance with NEC requirements. DO NOT USE AN EXTENSION CORD.
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©Copyright 2016 Liberty Pumps Inc. All rights reserved
Models S37 and S37-P have an
integrated vertical float switch. The turn
off position can be adjusted by sliding
a rubber grommet up or down the
length of the float rod.
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