23
Mounting Dimensions
14.75”
12.00”
15.34”
8.75”
4.75”
Page 1: ...Constant Pressure Water System SubDrive300 Installation Manual ...
Page 2: ...17 Wiring Connections 18 20 Start Up and Operation 21 Specifications 22 Mounting Dimensions 23 Diagnostic Fault Codes 24 System Troubleshooting Guide 25 Underload Smart Reset 26 Over Temperature Foldback 26 Tables 1 SubDrive Models 3 2 Breaker Size and Maximum Cable Length 13 3 Minimum Pressure Tank Size 16 4 Pressure Tank Precharge 16 Figures 1 Shipping and Mounting Screws 17 2 Motor Lead Connect...
Page 3: ...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: ...3 allows installation in small spaces Key features of the SubDrive include Constant water pressure with a wide range of settings 25 80 psi Smaller pressure tank can be used Fits the pump to the application pump speed is controlled to provide the optimum performance without overloading the motor Flexibility you can use this unit with standard off the shelf pumps No in rush power on transient curren...
Page 5: ...ng Street Bluffton IN 46714 by mail or faxed to 260 827 5800 All fields in this form must be filled out to validate the extended warranty Installation Name Owner Installation Address Installer Installer Address Distributor Date of Installation SubDrive Date Code example 01A23 SubDrive MonoDrive Serial Number example 000451 Pump Mfg Model Phone Number State Zip Phone Number State Zip Phone Number I...
Page 6: ...tant Pressure The Franklin Electric SubDrive300 provides consistent pressure regulation using advanced electronics to drive a standard motor and pump according to the pressure demands indicated by a highly accurate heavy duty long life pressure sensor By adjusting the motor pump speed the SubDrive300 can deliver constant pressure dependably even as water demand changes For example a small demand o...
Page 7: ... of abnormal conditions In many cases the controller will compensate as needed to maintain continuous system operation But if there is high risk of equipment damage the controller will protect the system and display the fault condition If possible the controller will try to restart itself when the fault condition subsides Unique Features SubDrive controllers provide the ultimate in system performa...
Page 8: ...ill still produce to the 5 Hp curve and may only be operated with a 5 Hp motor To operate a different pump size a DIP switch must be positioned to select the correct pump rating Otherwise the SubDrive300 may trigger erroneous faults To configure the SubDrive300 for a 5 Hp pump locate the DIP switch marked SW1 at the lower right corner of the main circuit board Use a small screwdriver provided to c...
Page 9: ... it becomes necessary to desensitize the Underload trip level remove power and allow the controller to discharge Once the internal voltages have dissipated locate the DIP switch marked SW1 at the lower right corner of the main circuit board Use a small screwdriver provided to change Position 3 to the ON position to select the lower Underload sensitivity as shown in the chart below WARNING Serious ...
Page 10: ...or in swimming areas Before Getting Started ATTENTION This equipment should be installed by technically qualified personnel Failure to install it in compliance with national and local electrical codes and within Franklin Electric recommendations may result in electrical shock or fire hazard unsatisfactory performance or equipment failure Installation information is available through pump manufactu...
Page 11: ...etween the tank and pressure sensor 2 The unit should be mounted on a sturdy supporting structure such as a wall or supporting post Please take into account the weight of the unit which weighs approximately 34 pounds 15 5 kg 3 The electronics inside the SubDrive are air cooled As a result there should be at least 6 inches of clearance above and below the unit to allow room for air flow NOTE there ...
Page 12: ...d to the submersible motor wiring To avoid possible interference with other appliances please refer to the enclosed Installation Guide and observe all precautions regarding power cable routing 7 To assure maximum weather protection the unit must be mounted vertically with the cover properly aligned and secured with all eight lid screws Wiring To Motor Power Supply From Circuit Breaker Wiring To Mo...
Page 13: ...ith the SubDrive300 Wire sizing between the service entrance and the controller must be sufficient to provide the required maximum input amps to the controller while conforming to local standards and codes SubDrive300 minimum breaker amps may be lower than AIM Manual specifications for the motors listed due to the soft starting characteristic of the SubDrive300 controller Controller Model Franklin...
Page 14: ...figura 1 OFF ON Outpu From Power Source L1 L2 Input Note To avoid possible interference with other appliances please refer to the enclosed installation guide and observe all precautions regarding power cable routing NOTICE The Safety earth ground connections are marked at their terminals using the symbol Blk Red Grn Wh Sensor Connection PRESSURE SENSOR PRESSURE SHUT OFF ...
Page 15: ...to drain rated for max pump output at relief pressure Drain Valve Sensor Cable Supplied ump anklin ectric otor Submersible pumps can develop very high pressure in some situations Always install a pressure relief valve able to pass full pump flow at 100 PSI Install the pressure relief valve between the pump and pressure tank WARNING ation Switch Pump Size 3 0 Hp 5 0 Hp ut to Motor Red Yel Blk Brn B...
Page 16: ... Size Total Capacity Pump Flow Rating Controller Model Minimum Tank Size Less than 12 gpm SubDrive300 8 gallon 12 gpm and higher SubDrive300 20 gallon NOTE Check tank precharge regularly to maintain optimum pressure regulation The pressure tank pre charge setting should be 70 of the system pressure sensor setting as indicated in the following table System Pressure at Pressure Sensor Pressure Tank ...
Page 17: ... pump The sensors have a 18 National Pipe Thread NPT connection The pressure sensors should not be installed in an inverted orientation up side down Make sure the pressure sensor and tank are not located more than 3 feet off the main piping 4 Install the unit to the wall using four mounting screws not included as showninFigure1below RemovetheSubDrivelidbyremovingtheeight lid screws Figure 1 Mounti...
Page 18: ...om right side of the unit and connect them to the terminal block positions marked GND Green ground wire Red Yellow and Black Figure 2 Figure 2 Motor Lead Connections WARNING Serious or fatal electrical shock may result from failure to connect the motor the SubDrive300 metal plumbing and all other metal near the motor or cable to the power supply ground terminal using wire no smaller than motor cab...
Page 19: ...eedthepressuresensorleadsthroughthesmalleropeninglocatedinthe bottom middle of the SubDrive300 unit and press on the quick connect terminals 8 Verify that the SubDrive300 unit is properly configured for the horsepower rating of the motor and pump being used Please refer to the section on Pump Sizing for information on drive configuration 9 Replace the lid Do not over tighten the screws Figure 3 Po...
Page 20: ...the following procedure a Remove the rubber end cap Figure 4A b Using a 7 32 Allen wrench provided turn the adjusting screw clockwise to increase pressure and counter clockwise to decrease pressure The adjustment range is between 25 and 80 psi turn approximately 3 psi c Replace the rubber end cap d Reset the pressure tank pre charge to the appropriate pressure e Cover the pressure sensor terminals...
Page 21: ...s the speed of the pump several PSI above the set point and shuts off the pump This adds some time to bleed off before the system starts up again NOTE Conventional private water systems intermittently fill a pressure tank as commanded by a standard pressure switch e g 30 50 psi The SubDrive300 maintains a constant pressure at the pressure sensor up to the maximum capability of the motor and pump A...
Page 22: ...nt Power idle 65 Watts Power max 7200 Watts Output to Motor three phase Voltage Adjusts with Frequency Frequency Range 30 80 Hz 3 Hp pump 30 60 Hz 5 Hp pump Current max 17 8 Amps RMS each phase Pressure Setting Factory preset 50 psi Adjustment range 25 80 psi Operating A Conditions NEMA 4 indoor outdoor Model 5870206300 Temperature at 230 VAC input 13 to 125 F 25 to 51 C Relative Humidity 0 100 no...
Page 23: ...23 Mounting Dimensions 14 75 12 00 15 34 8 75 4 75 ...
Page 24: ...ge 26 2 Undervoltage Low line voltage Misconnected input leads Check for loose connections Check line voltage Report low voltage to the power company Unit will start automatically when the proper power is supplied 3 Locked Pump Motor pump misaligned Abrasive Sand bound pump Dragging pump or motor Unit will attempt to free a locked pump If unsuccessful check the motor and pump 4 Reserved for factor...
Page 25: ...perature below 125 F 51 C Increase input voltage if below 230 VAC Pump capacity cannot supply the demand Use pump with higher flow rating if head requirement is still satisfied Excessive pressure fluctuations Waterlogged tank Check tank for bladder damage Replace if necessary Reset the tank pre charge pressure should be 70 of pressure sensor setting Pressure tank is too small for flow rating of th...
Page 26: ...ad fault recurs the controller will wait 4 minutes before attempting to restart the pump This schedule allows for the minimum off time possible based on the recovery time of the well Figure 5 Smart Reset Well Recovery Time Over Temperature Foldback The SubDrive300 controller is designed for full power operation in ambient temperatures up to 125 F 51 C as long as the input voltage is kept at 230 VA...
Page 27: ...TOLL FREE HELP FROM A FRIEND Franklin Electric Submersible Service Hotline 800 348 2420 ...
Page 28: ...400 E Spring Street Bluffton IN 46714 Tel 260 824 2900 Fax 260 824 2909 www franklin electric com M1491 11 05 225286101 Rev 1 ...
