Protection Features; Power Factor Correction; Over Temperature Foldback; Motor Soft Start - Franklin Electric SubDrive Connect Serie Manual De Usuario/Instalador

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OPERATION

Protection Features

Protection Features

Power Factor Correction

Active Power Factor Correction (PFC) minimizes input RMS current by allowing the drive to draw a
cleaner, sinusoidal input current waveform. This allows for a reduction in input power cable size
when compared to similar applications without power factor correction, because less average cur-
rent is used by the drive for a given load when compared to non-PFC devices.

Over Temperature Foldback

SubDrive/MonoDrive Connect models are designed for full power operation in ambient tempera-
tures up to 122 °F (50 °C) at nominal input voltage. In extreme thermal conditions, the controller
will reduce output power in an attempt to avoid shutdown or damage while still trying to provide
water. Full output power is restored when the internal controller temperature cools to a safe level.
NOTE: Motor over-temperature sensing is not provided by the drive.

Motor Soft Start

When the SubDrive/MonoDrive Connect detects that water is being used, the drive starts and
increases the motor speed slowly, gradually increasing voltage, resulting in a cooler motor and
lower start-up current compared to conventional water systems. In those cases where the demand
for water is small, the system may cycle on and off at low speed. Because of the soft-start feature,
this will not harm the motor or the pressure sensor.

Motor Overload Protection

The drive electronics provide motor overload protection by preventing motor current from exceed-
ing the maximum Service Factor Amps (SFA).

Broken Pipe Protection

When enabled, the Broken Pipe Detection feature will stop the system and display Fault 14 if the
drive runs at full power for a user adjustable time period without reaching the pressure setpoint.
If the system is used with a sprinkler system or is being used to fill a pool or cistern, the feature
should be disabled.
This feature is enabled and adjusted using the FE Connect app. Refer to
page
38.

Adjustable Underload Off Time (App Only)

The Underload Off Time determines how long the drive will wait before attempting to run follow-
ing an Underload event. The default time is 5 minutes, but is user-adjustable through the FE Con-
nect app from 1 minute to 48 hours.
Refer to
"Underload" on page
34
38.
"Advanced Options" on

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