Monitoring Functions; Protection Features; Over Temperature Foldback; Motor Soft Start - Franklin Electric SUBDRIVE UTILITY Manual De Instrucciones

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OPERATION

Monitoring Functions

Monitoring Functions
The display of the SubDrive Utility shows the current status of the system in real time, including:
Running
Idle
Faults
The drive also maintains a log of fault and configuration events. Refer to
History" on page
31.

Protection Features

Over Temperature Foldback

The SubDrive Utility is designed for full power operation in ambient temperatures 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 Utility 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 a Fault if the
drive runs at full power for 10 minutes without reaching the pressure setpoint. If a Broken Pipe
Fault occurs, drive power must be cycled to clear the fault.
To enable Broken Pipe detection, set DIP SW3 Position 2 in the BP (up) position.
If the system is used with a sprinkler system or is being used to fill a pool or cistern, the feature
should be disabled.
30
"System Diagnostics Fault

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