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Submittal Sheet

ManualsBrandsLiberty Pumps ManualsELV-Series 3/4 HP1/2 HP Elevator Sump Pump System w/ Mechanical Float Switch, OilTector & Alarm - 208-230v - 25 ft Cord
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ELV_ P7 R1/24/2012 ©Copyright 2012 Liberty Pumps Inc. All rights reserved. Specifications subject to change without notice.
6.01 BEARINGS AND SHAFT
An upper sleeve and lower ball bearing shall be required. The lower ball bearing shall be a single ball / race type bearing. Both
bearings shall be permanently lubricated by the oil, which fills the motor housing. The motor shaft shall be made of 300 or 400
series stainless steel.
7.01 SEALS
The pump shall have a unitized carbon / ceramic seal with stainless steel housings and spring, or engineered double lip seal with
stainless steel springs. The motor plate / housing interface shall be sealed with a Buna-N o-ring.
8.01 IMPELLER
The impeller shall be vortex style made of an engineered polymer, with pump out vanes on the back shroud to keep debris away
from the seal area. It shall be threaded to the motor shaft.
9.01 CONTROLS
The control unit has three probes and a float ball switch. The pump will activate when the middle probe contacts water, and will
remain on until the first, longest probe no longer is in contact with water. A high water alarm is activated when third or shortest
probe contacts water. The system will ignore a small film of oil, however larger volumes of oil will be detected when the alarm
probe does not detect water and the float ball activates. The system will continue to operates, removing water not oil from the
vault even when oil has been detected.
10.01 PAINT
The exterior of the casting shall be protected with powder coat paint.
11.01 SUPPORT
The pump shall have cast iron support legs, enabling it to be a free standing unit.
12.01 SERVICEABILITY
Components required for the repair of the pump shall be shipped within a period of 24 hours.
13.01 TESTING
The pump shall have a ground continuity check and the motor chamber shall be Hi-potted to test for electrical integrity, moisture
content and insulation defects. The motor and volute housing shall be pressurized, and an air leak decay test is performed to
ensure integrity of the motor housing. The pump shall be run, voltage current monitored, and the tester checks for noise or other
malfunction.
14.01 QUALITY CONTROL
The pump shall be manufactured in an ISO 9001 certified Facility.
15.01 WARRANTY
Standard limited warranty shall be 3 years.