Page 2 - Contents; Tables
2 Contents Description and Features ................................................................................4Included Items ..................................................................................................5How It Works ...........................................................
Page 3 - Table 1: SubDrive Models; Model Name
3 Table 1: SubDrive Models Model Name Part Number Use with Motor Series SubDrive300 5870206300 (NEMA 4) 234 317 xxxx (5.0 Hp)
Page 4 - Description and Features; ed Franklin Electric motor (see Table 1), the SubDrive eliminates
4 Description and Features The Franklin Electric SubDrive300 is a dependable residential and light commercial water system controller that uses advanced electronics to enhance the performance of standard submersible pumps. When used with the speci fi ed Franklin Electric motor (see Table 1), the Sub...
Page 5 - Included Items
5 Included Items A. Controller UnitB. Strain Relief FittingsC. Pressure Shut-off Sensor and BootD. Pressure Sensor and Boot Franklin Electric is n ow offering an int roductory warran ty extension on SubDriv e 75, SubDrive 150 and M onoDrive. The extended war ranty is free, but the SubDriv e/Mono- Dr...
Page 6 - How It Works; Constant Pressure
6 How It Works The Franklin Electric SubDrive300 is designed to be part of a system that consists of only four components: A. Standard Pump and Franklin Electric Motor.B. SubDrive Controller.C. Small Pressure Tank (for tank size, see Table 3).D. Franklin Electric Pressure Sensor (provided).E. Frankl...
Page 7 - fl
7 Motor Soft Start Normally, when there is a demand for water, the SubDrive300 will be operating to accurately maintain system pressure. Whenever the SubDrive300 detects that water is being used, the controller always “ramps up” the motor speed while gradually increasing voltage, resulting in a cool...
Page 8 - Pump Sizing; Drive Confi guration; WARNING; Typical SubDrive300 Performance
8 Pump Sizing The SubDrive300 is con fi gured at the factory for use with 3 Hp pumps that are mounted to 5 Hp Franklin Electric three-phase motors. In general, the SubDrive300 will enhance the performance of a 3 Hp pump to a similar or better performance than a conventional 5 Hp pump of the same fl ...
Page 9 - POS Underload Sensitivity
9 Underload Sensitivity forShallow Wells The SubDrive300 controller is con fi gured at the factory to ensure detection of Underload faults in a wide variety of pumping applications. In rare cases (as with certain pumps in shallow wells) this trip level may result in nuisance faults. If the pump is i...
Page 10 - Do not use motor in swimming areas.; Before Getting Started; ATTENTION; This equipment should be installed by technically quali; CAUTION; ed in this manual (see Table
10 ▲ WARNING ! Serious or fatal electrical shock may result from failureto connect the ground terminal to the motor, SubDrive controller, metal plumbing, or other metal near the motor or cable, using wire no smaller than motor cable wires. To minimize risk of electrical shock, disconnect power befor...
Page 11 - Controller Location Selection; A tank tee is recommended for mounting the tank, pressure sensor,
11 Controller Location Selection The SubDrive controller is intended for operation in ambient temperatures up to 125°F (51°C) at 230 VAC input. The following recommendations will help in selection of the proper location of the SubDrive unit: 1. A tank tee is recommended for mounting the tank, pressu...
Page 12 - CORRECT
12 4. For indoor or outdoor installations. 5. The SubDrive300 should only be mounted with the wiring end oriented downward. The controller should not be placed in direct sunlight or other locations subject to direct rain or snow. 6. The mounting location should have access to 230 VAC electrical supp...
Page 13 - Circuit Breaker and Wire Sizing
13 Circuit Breaker and Wire Sizing The minimum circuit breaker size and maximum allowable wire lengths for connection of motor to the SubDrive300 are given in the following table: A 10-foot section of cable is provided with the SubDrive300 to connect the pressure sensors. NOTE: • Maximum allowable w...
Page 14 - Quick Reference Guide; NOTICE
14 Power Supply From Circuit Breaker* Quick Reference Guide P/N 587 020 6300 Pu FraEleMo PRESSURE SENSOR SHUT-OFF INTFAN INVFAN PFCFAN NO NO COM RELAY SW2 SW1 O N Configura 1 OFF ON Outpu From Power Source L1 L2 (Input) * Note : To avoid possible interference with other appliances, please refer to t...
Page 15 - Pressure Setting Guide
15 e SubDrive300 (not to scale) Tank Precharge Inflation Valve Pressure Gauge Pressure Sensor To Residence Pressure Switch Set Point (PSI) 2530354045 556065707580 Pressure Tank Pre-Charge (PSI) 182125283235394246495356 Pressure Setting Guide 50 (Factory set) Pressure Relief Valve Discharge into drai...
Page 16 - Pressure Tank; Pump Flow Rating; Less than 12 gpm; System Pressure
16 Pressure Tank The SubDrive needs only a small pressure tank to maintain constant pressure (see table below for recommended tank size). For pumps rated 12 gpm or more, a slightly larger tank is recommended for optimum pressure regulation. The SubDrive can also use an existing tank with a much larg...
Page 17 - Installation Procedure; Disconnect electrical power at the main breaker.; Figure 1: Mounting Screws
17 Installation Procedure 1. Disconnect electrical power at the main breaker. 2. Drain the system (if applicable). 3. Install the pressure sensor and pressure shut-off sensor at the pressure tank tee downstream of the pressure tank (the pressure tank should be between the pressure sensor and the pum...
Page 18 - Wiring Connections; Verify that the power has been shut off at the main breaker.; Figure 2: Motor Lead Connections
18 Wiring Connections 1. Verify that the power has been shut off at the main breaker. 2. Verify that the dedicated branch circuit for the SubDrive300 is equipped with a properly-sized circuit breaker. Refer to Table 2 (Page 13) for minimum breaker size. 3. Use the appropriate strain relief or condui...
Page 19 - Figure 3: Power and Pressure
19 6. Feed the 230 VAC power leads through the bottom left side of the SubDrive300 controller and connect them to the terminals marked L1, L2, and GND (Figure 3). A 10-foot section of pressure sensor cable is provided with the controller, but it is possible to use similar 22 AWG wire for distances u...
Page 20 - Pressure Sensor
20 10A. Connect the other end of the pressure sensor cable with the two spade terminals to the pressure sensor. The connections are interchangeable (Figure 4A). 10B. Connect the other end of the pressure sensor cable with the two ¼" quick connect terminals to the pressure shut-off sensor. The co...
Page 21 - Start-Up and Operation; Leaky Systems
21 Start-Up and Operation Apply power to the controller. A steady green light indicates that theSubDrive300 has power but the pump is not running. The greenlight will fl ash continuously when the pump is running. Leaky Systems Leaky water systems might keep the controller running due to the accurate...
Page 22 - Specifi cations
22 NOTES: (A) Operating temperature is speci fi ed at full output power when installed as described in Controller Location Selection on Page 11. (B) Refer to Page 23 for detailed mounting dimensions. (C) If a pump other than the default rating is used, refer to Page 8 for drive con fi guration. Inpu...
Page 23 - Mounting Dimensions
23 Mounting Dimensions 14.75” 12.00” 15.34” 8.75” 4.75”
Page 24 - Diagnostic Fault Codes; Flashes
24 Diagnostic Fault Codes Should an application or system problem occur, built-in diagnostics willprotect the system. The red “FAULT” light on the front of the SubDrive300controller will fl ash a given number of times to indicate the nature of the fault. In some cases, the system will shut itself of...
Page 25 - System Troubleshooting Guide; Symptom
25 System Troubleshooting Guide Symptom Possible Cause Corrective Action Water fl ow rate is not as high as expected. Motor is running backwards. Verify motor connections. See Figure 2 in the “Wiring Connections” section. Temperature in the controller is too high. If the controller’s heat exchanger ...
Page 26 - Underload Smart Reset; rst; Over-Temperature Foldback; Off Time
26 Underload Smart Reset If a motor Underload fault condition occurs, the most likely cause is an overpumped or dry well. To allow the well to recover, the SubDrive300 controller will wait 30 seconds to 5 minutes, determined by duration of the previous run time, before restarting the motor. For exam...
