Liberty Pumps ProVore PRG101A Manuel D'installation page 8

FLOAT SWITCH INSTALLATION
The engineering drawings will normally specify the levels for pump start and stop and high level alarm. If
they are not specified, these guidelines should be used to determine float switch locations.
PIGGY BACK SWITCH
(1-Float System, wide angle)
Pump Off:
Pump On:
(1-Float System, vertical float)
Pump Off:
Pump On:
SIMPLEX PUMP STATION
(3-Float System)
Pump Off:
Pump On:
High Level Alarm:
DUPLEX PUMP STATION
(4-Float System)
Pump Off:
Lead Pump On: Minimum 1-1/2 ft. above Pump Off level.
Lag Pump On: Minimum 1 ft. above Lead Pump On level.
High Level Alarm:
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Factory set. (3.5" tether)
Factory set. (3.5" tether)
Factory set. (2" from bottom of float rod)
Maximum travel on float rod.
Level to top of motor housing.
Minimum 1-1/2 ft. above Pump Off Level.
Minimum 1 ft. above pump ON level. Below influent pipe.
Level to top of motor housing.
Minimum 1 ft. above Lag Pump On level. Below influent pipe.
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