Franklin Electric SubDrive Connect: DIP Switch and Component Configuration Guide

DIP Switch Bank 1 (SW1) - Configuration DIP Switches

DIP SW1 contains basic drive configuration switches. The function of switches SW1-2 through SW1-7 can be overridden if SW1-1 is set to ON (UP), in which case the drive uses settings configured via the FE Connect mobile app.

• SW1-1: FE Connect DIP Switch
  DOWN (OFF): Drive uses settings from DIP switches and potentiometer knobs.
  UP (ON): Drive uses settings configured via the FE Connect mobile app for any setting with a physical switch or potentiometer. Does not control the Wi-Fi radio signal. Advanced settings without physical controls can always be configured via the app.
• SW1-2: SubDrive/MonoDrive Switch
  DOWN (SD): Configures the drive as a SubDrive for a three-phase motor.
  UP (MD): Configures the drive as a MonoDrive for a single-phase, 3-wire motor. (Ignored if SW1-1 is UP).
• SW1-3: Motor Frequency Switch
  DOWN (60 Hz): Configures the drive for a 60 Hz motor (North America).
  UP (50 Hz): Configures the drive for a 50 Hz motor (International). (Ignored if SW1-1 is UP).
• SW1-4: Steady Flow Switch
  UP (SF): Enables the steady-flow algorithm to slow drive response and avoid pressure swings in hydrant applications.
  DOWN (OFF): Disables steady flow. (Ignored if SW1-1 is UP).
• SW1-5: Pressure Sensor Switch
  DOWN (XDCR): Configures the drive to use the included 4-20 mA 100 psi transducer. Works with the pressure set point potentiometer knob.
  UP (PS): Configures the drive to use the traditional SubDrive pressure sensor ("Hobbs-style" switch). (Ignored if SW1-1 is UP).
• SW1-6: Application Select
  DOWN (SUB): Configures the drive for a submersible pump.
  UP (CEN): Configures the drive for a surface pump. (Ignored if SW1-1 is UP).
• SW1-7: Motor Type Select
  DOWN (IND): Configures the drive for a standard induction motor (three-phase or single-phase 3-wire).
  UP (PM): Configures the drive for a MagForce permanent magnet motor. (Ignored if SW1-1 is UP).

DIP Switch Bank 2 (SW2) - Motor HP / Overload Current

For Submersible Application (SW1-6 = DOWN/SUB): DIP SW2 sets the motor hp rating. Only one switch needs to be set. (Ignored if SW1-1 is UP).

For Surface Pump Application (SW1-6 = UP/CEN): DIP SW2 sets the motor overload current. The value should be equal to or less than the motor nameplate. SW3-1 and SW3-2 offer additional overload current settings. (Ignored if SW1-1 is UP).

DIP Switch Bank 3 (SW3) - Pump HP / System Settings

For Submersible Application (SW1-6 = DOWN/SUB): DIP SW3 sets the pump hp rating. Only one switch needs to be set. (Ignored if SW1-1 is UP).

For Surface Pump Application (SW1-6 = UP/CEN): DIP SW3 sets motor overload current, system response, and minimum frequency.

• Motor Overload Current: SW3-1 and SW3-2 provide additional settings beyond SW2. The value should be equal to or less than the motor nameplate. (Ignored if SW1-1 is UP).
• System Response: SW3-3 through SW3-5 set the system response to FAST, MED, or SLOW. Only one switch can be set. Defaults to SLOW if no selection is made. (Ignored if SW1-1 is UP).
• Minimum Frequency: SW3-6 enables a minimum frequency of 15 Hz instead of 30 Hz. Valid only for surface pump (CEN) applications. (Ignored if SW1-1 is UP).

Common Fault Codes

This section lists common diagnostic fault codes. For a complete list and descriptions, refer to the Diagnostic Fault Code section of the SubDrive/MonoDrive Connect owner’s manual.

Component Descriptions

• 1. Power/Status Indicator (LEDs)

  Indicates drive status.

• 2. LCD Display

  A 3.5-digit display showing system and diagnostic fault information. When using an analog pressure transducer, it displays system pressure in psi (e.g., "50P" for 50 psi). When using a traditional pressure switch, it shows motor/pump speed in Hertz (e.g., "60" for 60 Hz). Diagnostic fault codes are shown as "F" followed by the fault code number (e.g., "F1" for an underload fault).

• 3. Potentiometer Knobs

  Used for adjustments. Item 7 is for Underload Sensitivity, and Item 8 is for Pressure Set Point.

• 4. DIP Switch Banks

  Includes SW1, SW2, and SW3 for various configuration settings.

• 5. DC Bus Access

  Connector for measuring the internal DC bus voltage, used for troubleshooting.

• 6. New DIP Switches

  DIP switches have been updated to be larger and easier to use.

• 7. Underload Sensitivity Potentiometer Knob

  Adjusts the sensitivity of the underload protection. Factory default is 65% of SFA. Adjustable range is 20% to 95% of SFA. (Ignored if SW1-1 is UP).

• 8. Pressure Set Point Potentiometer Knob

  Adjusts the desired system set point pressure. Factory default is 50 psi. Adjustable range is 5 psi to 95 psi. This knob is only usable with a 4-20 mA 100 PSI transducer. (Ignored if SW1-1 is UP).

• 9. Battery Backup for Real-Time Clock

  Powers the real-time clock for accurate date and time information in fault history and configuration logs. Time zone is set by the connected mobile device.

• 10. LCD Display

  See Item 2.

• 11. Wi-Fi Status Light / Wi-Fi Module

  Indicates Wi-Fi connection status: ON/SOLID means ready to connect; ON/FLASHING means a device is connected; OFF means no Wi-Fi signal is broadcasting. Wi-Fi is available for 15 minutes after power-on; a power cycle is needed to reactivate.

• 12. Alternator Terminal Block (ALT)

  Connects two SubDrive/MonoDrive Connect units for duplex alternator function. Requires a communication cable and mobile app configuration. Available cable lengths: 10 ft (226895901), 50 ft (226895902), and 100 ft (226895903).

• 13. Wet Sensor/Moisture Sensor Terminal Block (WS)

  For installing a moisture sensor (226770901). The sensor returns a 24 VDC signal between I+ and I- terminals when water is detected. Multiple sensors can be installed in parallel.

• 14. & 20. Input and Output Terminals

  Terminals sized for wire sizes from 6 to 20 AWG. For longer runs requiring larger than 6 AWG wire, use proper junctioning before installation.

• 15. AUX Input Terminal Block (A1)

  For wiring an external stop command. This is a 24 VDC digital input, usable with the drive's internal 24 VDC supply or an external 24 VDC supply. Default setting is FAULT WHEN HIGH (stop command).

• 16. Pressure Sensor Terminal Block (PS)

  For installing the traditional SubDrive pressure sensor ("Hobbs-style" switch). Requires DIP SW1-5 to be UP (PS). A new kit (226941901) is available for the stainless steel, NSF-approved sensor.

• 17. Transducer Terminal Block (XDCR)

  For installing a 4-20 mA analog pressure transducer. Units ship standard with a 4-20 mA 100 psi transducer. For transducers with ranges other than 100 psi (up to 300 psi max), SW1-1 must be UP (ON) and the FE Connect mobile app must be used to set the transducer range and system set point. Incorrect range settings without app configuration can lead to scaled pressure readings and potential over-pressurization; monitor pressure with a gauge. Transducers available: 100 psi (226905902), 150 psi (226905903), 200 psi (226905904).

• 18. Alarm Relay Terminal Block (R1)

  Provides external indication or control for system faults. Can control pilot lamps, auto-dialers, etc. NC-COM: Shorted when IDLE/RUNNING, open-circuit when FAULTED. NO-COM: Open-circuit when IDLE/RUNNING, shorted when FAULTED.

• 19. Run Relay Terminal Block (R2)

  Provides external indication or control when the system is actively running the motor/pump. Can control pilot lamps, run counters, etc. NC-COM: Shorted when IDLE/FAULTED, open-circuit when RUNNING. NO-COM: Open-circuit when IDLE/FAULTED, shorted when RUNNING.

• 21. Drive Cooling Fan

  A variable speed fan that runs only as fast as needed for cooling, ensuring quieter operation. Replaceable as a service part. Replacement kits: (226545904) for MD/SD15, (226545905) for MDXT/SD20/30, (226545903) for SD50.

Diagram Descriptions

Main Component Diagram

The main diagram illustrates the SubDrive Connect unit, labeling key components with numbers corresponding to the descriptions above. It shows the layout of DIP switches, potentiometers, LCD display, Wi-Fi status light, various terminal blocks (Alternator, Wet Sensor, Input/Output, AUX Input, Pressure Sensor, Transducer, Alarm Relay, Run Relay), and the cooling fan.

Pressure Sensor Setup Diagram

A diagram illustrates a pressure sensor connection. It shows a switch that closes when pressure is above a set point and a potentiometer for adjusting the pressure set point. The diagram depicts two states: "Pressure LOW" and "Pressure HIGH", indicating how the system responds to pressure changes.

Technical Specifications and Warnings

Pollution Degree 2

Solid State Motor Protection: 115 to 120 percent Full Load Current.

Circuit Rating: Suitable for use on a circuit capable of delivering not more than 5000 symmetrical amperes RMS, 250 V maximum. Use 75 °C CU wire rated 300 V min.

WARNING - Retain Owner's Manual. Installation and operation of this equipment requires detailed instructions as provided in the Owner's Manual.

Terminal Tightening Torque:

• Other terminals: 5 in-lbs.
• Specific terminals (e.g., PS, XDCR, R1, R2, L1, L2): 15 in-lbs.

Wire Usage: Use 75 °C CU wire rated 600 V min for specific connections (e.g., pressure transducer wiring).