Duplex Alternator Feature; Configuration; Switching Interval - Franklin Electric SubDrive 50 Manual Del Usaurio

ADVANCED APPLICATION OPTIONS

Duplex Alternator Feature

Duplex Alternator Feature

Configuration

SubDrive Connect models support the built-in Duplex Alternator functionality. This function requires an
appropriate communication cable to be installed between two SubDrive Connect units.
Before the Duplex Alternator function will operate, each drive must be configured individually using the FE
Connect mobile app. The initial lead drive must be configured as Pump 1 and the initial lag drive must be
configured as Pump 2. Refer to
• Standalone (drives will operate independently)
• Pump 1
• Pump2
When using the Duplex Alternator function with pressure transducers, the Primary Setpoint of Pump 1 must
be set to the desired system pressure. The drive configured as Pump 1 will automatically control the pressure
set point of the controller configured as Pump 2, setting it to 5 PSI lower than the primary system set point.
When using the Duplex Alternator function with pressure switches, the pressure switch connected to the
drive configured as Pump 1 must be set at least 3 PSI higher than the pressure switch connected to the drive
configured as Pump 2.
IMPORTANT: When using the drawdown function, the same cut-in pressure must be configured on both
drives.

Switching Interval

When operating two drives using the Duplex Alternator function, this parameter sets the accumulated run
time (hours) before the lead and lag systems will alternate roles.
• 1 to 24 hours
• Default = 1 hour
The Switching Interval time setting on the controller configured as Pump 1 sets the interval time for the
overall system.
When the Duplex Alternator function is operating, the status of the Duplex Alternator system is shown on
the Monitor screen of the app. The roles of the lead and lag pump can be manually switched by pressing the
Switch Pumps button in the FE Connect app.
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"Duplex Alternator" on page 34 for setup information.